ci: replace 14 workflows with 4-tier orchestrator

Replaces 14 CI workflows with a single ci-orchestrator.yml that runs
jobs in a 4-tier waterfall. Tiers gate each other sequentially: if
formatting fails in 2 minutes, nothing else runs.

Every job carried over from the old workflows was optimized along the
way. Jobs use native container: blocks instead of the old
addnab/docker-run-action wrapper, cache scopes were split and tuned
(hit rates went from ~48% to 99%+), SITL tests run at 20x speed on
8cpu runners, clang-tidy got a dedicated 16cpu runner and cache, the
failsafe sim caches its emsdk, and flash analysis posts sticky PR
comments.

Forks can use this without AWS infrastructure. Copy
.github/ci-config.yml.example to .github/ci-config.yml to customize
runner labels, job toggles, and cache sizes. Alternatively, rename
.github/workflows/ci-simple.yml.example to ci-simple.yml for a
single-job workflow that finishes in under 15 minutes on ubuntu-latest.

Signed-off-by: Ramon Roche <mrpollo@gmail.com>

.clang-tidy

@@ -105,6 +105,89 @@ Checks:          '*,
                   -readability-redundant-declaration,
                   -readability-static-accessed-through-instance,
                   -readability-static-definition-in-anonymous-namespace,
+                  -altera-struct-pack-align,
+                  -bugprone-easily-swappable-parameters,
+                  -concurrency-mt-unsafe,
+                  -cppcoreguidelines-avoid-const-or-ref-data-members,
+                  -cppcoreguidelines-macro-usage,
+                  -cppcoreguidelines-non-private-member-variables-in-classes,
+                  -hicpp-uppercase-literal-suffix,
+                  -llvm-qualified-auto,
+                  -misc-non-private-member-variables-in-classes,
+                  -misc-use-anonymous-namespace,
+                  -modernize-concat-nested-namespaces,
+                  -readability-const-return-type,
+                  -readability-identifier-length,
+                  -readability-isolate-declaration,
+                  -readability-qualified-auto,
+                  -readability-redundant-access-specifiers,
+                  -cppcoreguidelines-avoid-do-while,
+                  -misc-include-cleaner,
+                  -misc-const-correctness,
+                  -llvm-else-after-return,
+                  -readability-function-cognitive-complexity,
+                  -cppcoreguidelines-init-variables,
+                  -bugprone-reserved-identifier,
+                  -cert-dcl37-c,
+                  -cert-dcl51-cpp,
+                  -modernize-use-nodiscard,
+                  -misc-confusable-identifiers,
+                  -cert-err33-c,
+                  -readability-redundant-inline-specifier,
+                  -readability-uppercase-literal-suffix,
+                  -bugprone-narrowing-conversions,
+                  -cppcoreguidelines-narrowing-conversions,
+                  -bugprone-switch-missing-default-case,
+                  -cppcoreguidelines-avoid-goto,
+                  -hicpp-avoid-goto,
+                  -bugprone-branch-clone,
+                  -bugprone-unhandled-self-assignment,
+                  -cert-oop54-cpp,
+                  -performance-enum-size,
+                  -readability-avoid-nested-conditional-operator,
+                  -cppcoreguidelines-prefer-member-initializer,
+                  -cppcoreguidelines-explicit-virtual-functions,
+                  -cppcoreguidelines-virtual-class-destructor,
+                  -readability-convert-member-functions-to-static,
+                  -readability-make-member-function-const,
+                  -bugprone-assignment-in-if-condition,
+                  -bugprone-implicit-widening-of-multiplication-result,
+                  -bugprone-incorrect-roundings,
+                  -bugprone-macro-parentheses,
+                  -bugprone-multi-level-implicit-pointer-conversion,
+                  -bugprone-signed-char-misuse,
+                  -bugprone-too-small-loop-variable,
+                  -cppcoreguidelines-avoid-non-const-global-variables,
+                  -cppcoreguidelines-use-default-member-init,
+                  -hicpp-multiway-paths-covered,
+                  -hicpp-named-parameter,
+                  -misc-header-include-cycle,
+                  -misc-no-recursion,
+                  -performance-no-int-to-ptr,
+                  -readability-avoid-return-with-void-value,
+                  -readability-avoid-unconditional-preprocessor-if,
+                  -readability-delete-null-pointer,
+                  -readability-duplicate-include,
+                  -readability-redundant-casting,
+                  -readability-redundant-member-init,
+                  -readability-reference-to-constructed-temporary,
+                  -readability-simplify-boolean-expr,
+                  -bugprone-unsafe-functions,
+                  -cert-msc24-c,
+                  -cert-msc32-c,
+                  -cert-msc33-c,
+                  -cert-msc51-cpp,
+                  -cert-str34-c,
+                  -cppcoreguidelines-macro-to-enum,
+                  -modernize-macro-to-enum,
+                  -abseil-string-find-str-contains,
+                  -bugprone-suspicious-include,
+                  -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
+                  -clang-analyzer-optin.core.EnumCastOutOfRange,
+                  -modernize-type-traits,
+                  -misc-definitions-in-headers,
+                  -bugprone-casting-through-void,
+                  -readability-redundant-string-init,
                  '
 WarningsAsErrors: '*'
 CheckOptions:

.github/actions/build-gazebo-sitl/action.yml

@@ -0,0 +1,21 @@
+name: Build Gazebo Classic SITL
+description: Build PX4 firmware and Gazebo Classic plugins with ccache stats
+
+runs:
+  using: composite
+  steps:
+    - name: Build - PX4 Firmware (SITL)
+      shell: bash
+      run: make px4_sitl_default
+
+    - name: Cache - Stats after PX4 Firmware
+      shell: bash
+      run: ccache -s
+
+    - name: Build - Gazebo Classic Plugins
+      shell: bash
+      run: make px4_sitl_default sitl_gazebo-classic
+
+    - name: Cache - Stats after Gazebo Plugins
+      shell: bash
+      run: ccache -s

.github/actions/save-ccache/action.yml

@@ -0,0 +1,22 @@
+name: Save ccache
+description: Print ccache stats and save to cache
+
+inputs:
+  cache-primary-key:
+    description: Primary cache key from setup-ccache output
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Cache - Stats
+      if: always()
+      shell: bash
+      run: ccache -s
+
+    - name: Cache - Save ccache
+      if: always()
+      uses: actions/cache/save@v4
+      with:
+        path: ~/.ccache
+        key: ${{ inputs.cache-primary-key }}

.github/actions/setup-ccache/action.yml

@@ -0,0 +1,56 @@
+name: Setup ccache
+description: Restore ccache from cache and configure ccache.conf
+
+inputs:
+  cache-key-prefix:
+    description: Cache key prefix (e.g. ccache-sitl)
+    required: true
+  max-size:
+    description: Max ccache size (e.g. 300M)
+    required: false
+    default: '300M'
+  base-dir:
+    description: ccache base_dir value
+    required: false
+    default: '${GITHUB_WORKSPACE}'
+  install-ccache:
+    description: Install ccache via apt before configuring
+    required: false
+    default: 'false'
+
+outputs:
+  cache-primary-key:
+    description: Primary cache key (pass to save-ccache)
+    value: ${{ steps.restore.outputs.cache-primary-key }}
+
+runs:
+  using: composite
+  steps:
+    - name: Cache - Install ccache
+      if: inputs.install-ccache == 'true'
+      shell: bash
+      run: apt-get update && apt-get install -y ccache
+
+    - name: Cache - Restore ccache
+      id: restore
+      uses: actions/cache/restore@v4
+      with:
+        path: ~/.ccache
+        key: ${{ inputs.cache-key-prefix }}-${{ github.ref_name }}-${{ github.sha }}
+        restore-keys: |
+          ${{ inputs.cache-key-prefix }}-${{ github.ref_name }}-
+          ${{ inputs.cache-key-prefix }}-${{ github.base_ref || 'main' }}-
+          ${{ inputs.cache-key-prefix }}-
+
+    - name: Cache - Configure ccache
+      shell: bash
+      run: |
+        mkdir -p ~/.ccache
+        echo "base_dir = ${{ inputs.base-dir }}" > ~/.ccache/ccache.conf
+        echo "compression = true" >> ~/.ccache/ccache.conf
+        echo "compression_level = 6" >> ~/.ccache/ccache.conf
+        echo "max_size = ${{ inputs.max-size }}" >> ~/.ccache/ccache.conf
+        echo "hash_dir = false" >> ~/.ccache/ccache.conf
+        echo "compiler_check = content" >> ~/.ccache/ccache.conf
+        ccache -s
+        ccache -z

.github/ci-config.yml.example

@@ -0,0 +1,67 @@
+# PX4 CI Configuration for Forks
+# Copy to .github/ci-config.yml and customize.
+# All settings are optional — omit any key to use the upstream default.
+#
+# This example is tuned for GitHub-hosted runners.
+# The upstream PX4 repo uses RunsOn/AWS for all jobs.
+
+# Infrastructure hint — set to true when running on GitHub-hosted runners.
+# The upstream PX4 repo uses RunsOn/AWS (is_gha: false by default).
+# Jobs may use this flag to skip steps that require RunsOn-specific
+# infrastructure (e.g. S3 cache access, spot instance features).
+# No job behavior is gated on this today — it is wired for future use.
+is_gha: true
+
+# Runner labels — one label per size tier.
+# For GitHub-hosted runners, all tiers can point to ubuntu-latest.
+# For self-hosted runners, map each tier to the appropriate pool.
+runners:
+  small:   '["ubuntu-latest"]'
+  medium:  '["ubuntu-latest"]'
+  large:   '["ubuntu-latest"]'
+  utility: '["ubuntu-latest"]'
+
+# Job toggles — enable only what your fork needs.
+# Jobs marked false below are upstream-specific (hardware boards,
+# platform-specific builds) and rarely useful for feature forks.
+jobs:
+  # T1 — gate checks (disable only if you have a very good reason)
+  gate_checks:          true   # format, newlines, module config validation
+  shellcheck:           true   # shell script linting
+  mavsdk_checks:        true   # mypy + flake8 on MAVSDK Python scripts
+
+  # T2 — core checks (recommended for all forks)
+  sitl_build:           true
+  clang_tidy:           true
+
+  # T2 — upstream-specific, disable for most forks
+  gazebo_classic_build: false  # only needed if running sitl_tests/mavros_tests
+  ubuntu_builds:        false  # verifies clean builds on bare Ubuntu images
+  macos_build:          false  # macOS platform verification
+  itcm_check:           false  # NuttX board ITCM placement, board-specific
+  flash_analysis:       false  # binary size diffing against PR base, repo-specific
+  failsafe_sim:         false  # Emscripten web simulation build
+
+  # T3 — integration tests (expensive, disable unless you need them)
+  sitl_tests:           false  # requires gazebo_classic_build
+  ros_integration:      false  # requires Galactic ROS container
+  mavros_tests:         false  # requires gazebo_classic_build
+  ros_translation_node: true   # lightweight, runs on standard ROS images
+
+# Cache sizes — adjust if you hit your cache storage limit.
+# GitHub-hosted runners share a 10 GB per-repo native cache.
+# With the job set above (~60% of jobs disabled), total warm footprint
+# is roughly 15-20% of the 10 GB limit per concurrent PR.
+# If you re-enable more jobs, total footprint scales up proportionally.
+# Raise your repo's cache limit if needed:
+#   Settings → Actions → Caches (up to 10 TB configurable)
+cache:
+  sitl:                300M   # ~94% fill at current default — do not lower
+  sitl_gazebo_classic: 350M   # only relevant if gazebo_classic_build: true
+  clang_tidy:          150M   # ~40% fill, sized with headroom
+  ubuntu_builds:       200M   # only relevant if ubuntu_builds: true
+  macos:               200M   # only relevant if macos_build: true
+  itcm:                200M   # only relevant if itcm_check: true, growing
+  flash:               200M   # only relevant if flash_analysis: true
+  ros_integration:     400M   # ~70% fill, trending up
+  ros_translation:     150M   # ~35% fill, sized with headroom

.github/instructions/docs.en.instructions.md

@@ -21,8 +21,10 @@ applyTo: "docs/en/**"
   - Do not apply bold or italic styling inside a heading.
 - **Formatting:** 
   - **Bold:** Only for UI elements (buttons, menu items).
-  - **Italics (Emphasis):** For tool names (e.g., *QGroundControl*).
   - **Inline Code:** Use backticks for file paths, parameters, and CLI commands (e.g., `prettier`).
+    Backticks are optional for hyperlinked CLI commands and tool names.
+  - **Italics (Emphasis):** Use for application names (e.g., *QGroundControl*).
+    Emphasis is optional for hyperlinked applications.
 - **Structure:** End every line at the end of a sentence (Semantic Line Breaks).
 
 ## Linking & Navigation

.github/workflows/build_all_targets.yml

@@ -2,25 +2,54 @@
 # - If you want to keep the tests running in GitHub Actions you need to uncomment the "runs-on: ubuntu-latest" lines
 #   and comment the "runs-on: [runs-on,runner=..." lines.
 # - If you would like to duplicate this setup try setting up "RunsOn" on your own AWS account try https://runs-on.com
+#
+# ===================================================================================
+# RELEASE UPLOAD LOGIC
+# ===================================================================================
+# This workflow handles building firmware and uploading to S3 + GitHub Releases.
+#
+# S3 Bucket Structure (s3://px4-travis/Firmware/):
+#   - master/          <- Latest main branch build (for QGC compatibility)
+#   - stable/          <- Latest stable release, controlled by 'stable' branch
+#   - beta/            <- Latest pre-release, controlled by 'beta' branch
+#   - vX.Y.Z/          <- Archived stable release
+#   - vX.Y.Z-beta1/    <- Archived pre-release
+#
+# Trigger Behavior:
+#   - Tag v1.16.1        -> Upload to: v1.16.1/ only (versioned archive)
+#   - Tag v1.17.0-beta1  -> Upload to: v1.17.0-beta1/ only (versioned archive)
+#   - Branch main        -> Upload to: master/ (for QGC compatibility)
+#   - Branch stable      -> Upload to: stable/ (QGC stable firmware)
+#   - Branch beta        -> Upload to: beta/ (QGC beta firmware)
+#   - Branch release/**  -> Build only, no S3 upload (CI validation)
+#   - Pull requests      -> Build only, no S3 upload (CI validation)
+#
+# GitHub Releases:
+#   - All version tags create a draft GitHub Release
+#   - Pre-releases (alpha/beta/rc suffixes) are automatically marked as such
+#
+# IMPORTANT: Version tags do NOT upload to stable/ or beta/. Only the
+# corresponding branch pushes control those directories. This prevents
+# pre-release tags from accidentally overwriting stable firmware (#26340)
+# and avoids race conditions between tag and branch builds.
+# ===================================================================================
 
 name: Build all targets
 
 on:
+  # Triggered by CI orchestrator for all branches/PRs (after all tiers pass)
+  workflow_run:
+    workflows: ["CI Pipeline (Orchestrator)"]
+    types: [completed]
+    branches: ['**']
+  # Direct trigger for tagged releases (orchestrator doesn't run on tags)
   push:
     tags:
       - 'v*'
-    branches:
-      - 'main'
-      - 'stable'
-      - 'beta'
-      - 'release/**'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
     paths-ignore:
       - 'docs/**'
+  # Manual trigger for debugging
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -29,18 +58,32 @@ concurrency:
 permissions:
   contents: write
   actions: read
+  packages: read
 
 jobs:
   group_targets:
     name: Scan for Board Targets
+    # Only run if:
+    # 1. Direct push to tag (independent trigger for releases), OR
+    # 2. Orchestrator workflow_run completed successfully (for all branches/PRs), OR
+    # 3. Manual workflow_dispatch
+    if: |
+      github.event_name == 'push' ||
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
     # runs-on: ubuntu-latest
     runs-on: [runs-on,runner=1cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false]
+    permissions:
+      contents: read
+      actions: read
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
       timestamp: ${{ steps.set-timestamp.outputs.timestamp }}
       branchname: ${{ steps.set-branch.outputs.branchname }}
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'workflow_run' && github.event.workflow_run.head_sha || github.sha }}
 
       - name: Cache Python pip
         uses: actions/cache@v4
@@ -70,12 +113,13 @@ jobs:
       - id: set-branch
         name: Save Current Branch Name
         run: |
-          echo "branchname=${{
-            github.event_name == 'pull_request' &&
-            format('pr-{0}', github.event.pull_request.number) ||
-            github.head_ref ||
-            github.ref_name
-          }}" >> $GITHUB_OUTPUT
+          if [ "${{ github.event_name }}" = "workflow_run" ]; then
+            # For workflow_run events, get branch from the triggering workflow
+            echo "branchname=${{ github.event.workflow_run.head_branch }}" >> $GITHUB_OUTPUT
+          else
+            # For push/workflow_dispatch events
+            echo "branchname=${{ github.head_ref || github.ref_name }}" >> $GITHUB_OUTPUT
+          fi
 
       - name: Debug Matrix Output
         if: runner.debug == '1'
@@ -89,15 +133,22 @@ jobs:
     # runs-on: ubuntu-latest
     runs-on: [runs-on,"runner=8cpu-linux-${{ matrix.runner }}","image=ubuntu24-full-${{ matrix.runner }}","run-id=${{ github.run_id }}",spot=false]
     needs: group_targets
+    permissions:
+      contents: read
+      packages: read
     strategy:
       matrix: ${{ fromJson(needs.group_targets.outputs.matrix) }}
       fail-fast: false
     container:
       image: ${{ matrix.container }}
+      credentials:
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: runs-on/action@v2
       - uses: actions/checkout@v4
         with:
+          ref: ${{ github.event_name == 'workflow_run' && github.event.workflow_run.head_sha || github.sha }}
           fetch-depth: 0
 
       - name: Git ownership workaround
@@ -159,12 +210,21 @@ jobs:
           path: ~/.ccache
           key: ${{ steps.cc_restore.outputs.cache-primary-key }}
 
+  # ===========================================================================
+  # ARTIFACT UPLOAD JOB
+  # ===========================================================================
+  # Uploads build artifacts to S3 and creates GitHub Releases.
+  # Runs for version tags (v*), main, stable, and beta branch pushes.
+  # See header comments for full upload logic documentation.
+  # ===========================================================================
   artifacts:
     name: Upload Artifacts
     # runs-on: ubuntu-latest
     runs-on: [runs-on,runner=1cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false]
     needs: [setup, group_targets]
     if: startsWith(github.ref, 'refs/tags/v') || contains(fromJSON('["main","stable","beta"]'), needs.group_targets.outputs.branchname)
+    permissions:
+      contents: write
     outputs:
       uploadlocation: ${{ steps.upload-location.outputs.uploadlocation }}
     steps:
@@ -177,31 +237,31 @@ jobs:
       - name: Choose Upload Location
         id: upload-location
         run: |
-          # Determine upload location based on branch or tag with the following considerations:
-          # Destination: AWS S3 bucket px4-travis in folder Firmware/
-          # - If branch is main -> upload to master/
-          #   - Older versions of QGC are hardocded to look for master/
-          # - If branch is stable or beta -> upload to stable/ or beta/
-          # - If a tag vX.Y.Z -> upload to vX.Y.Z/
-          #   - Also update stable/ to point to the same version
-          #.  - Older versions of QGC are hardocded to look for stable/
-          # - If a pull request -> do not upload
           set -euo pipefail
 
           ref="${GITHUB_REF}"
           branch=${{ needs.group_targets.outputs.branchname  }}
           location="$branch"
+          is_prerelease="false"
 
+          # Main branch uploads to "master" for QGC backward compatibility
           if [[ "$branch" == "main" ]]; then
             location="master"
           fi
 
+          # Version tags: upload to versioned directory (e.g., v1.16.1/)
           if [[ "$ref" == refs/tags/v[0-9]* ]]; then
             tag="${ref#refs/tags/}"
             location="$tag"
+
+            # Pre-release tags contain -alpha, -beta, or -rc suffix
+            if [[ "$tag" =~ -(alpha|beta|rc) ]]; then
+              is_prerelease="true"
+            fi
           fi
 
           echo "uploadlocation=$location" >> $GITHUB_OUTPUT
+          echo "is_prerelease=$is_prerelease" >> $GITHUB_OUTPUT
 
       - name: Uploading Artifacts to S3 [${{ steps.upload-location.outputs.uploadlocation }}]
         uses: jakejarvis/s3-sync-action@master
@@ -215,28 +275,13 @@ jobs:
           SOURCE_DIR: artifacts/
           DEST_DIR: Firmware/${{ steps.upload-location.outputs.uploadlocation }}/
 
-      # if we are uploading artifacts to a versioned folder
-      # we should also update the stable folder in the s3 bucket
-      - name: Uploading Artifacts to S3 [stable]
-        uses: jakejarvis/s3-sync-action@master
-        if: startsWith(github.ref, 'refs/tags/v')
-        with:
-          args: --acl public-read
-        env:
-          AWS_S3_BUCKET: 'px4-travis'
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          AWS_REGION: 'us-west-1'
-          SOURCE_DIR: artifacts/
-          DEST_DIR: Firmware/stable/
-
-      # if build is a release triggered by a versioned tag then create a github release
-      # and upload the build artifacts. A draft release is created so that the release
-      # can be reviewed before publishing
+      # Create a draft GitHub Release for all version tags
+      # Pre-releases are automatically marked as such
       - name: Upload Artifacts to GitHub Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/v')
         with:
           draft: true
+          prerelease: ${{ steps.upload-location.outputs.is_prerelease == 'true' }}
           files: artifacts/*.px4
           name: ${{ steps.upload-location.outputs.uploadlocation }}

.github/workflows/checks.yml

@@ -1,59 +0,0 @@
-name: Checks
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        check: [
-          "check_format",
-          "check_newlines",
-          "tests",
-          "tests_coverage",
-          "px4_fmu-v2_default stack_check",
-          "validate_module_configs",
-          "shellcheck_all",
-          "NO_NINJA_BUILD=1 px4_fmu-v5_default",
-          "NO_NINJA_BUILD=1 px4_sitl_default",
-          "px4_sitl_allyes",
-          "module_documentation",
-        ]
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Building [${{ matrix.check }}]
-        uses: addnab/docker-run-action@v3
-        with:
-          image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-          options: -v ${{ github.workspace }}:/workspace
-          run: |
-            cd /workspace
-            git config --global --add safe.directory /workspace
-            make ${{ matrix.check }}
-
-      - name: Uploading Coverage to Codecov.io
-        if: contains(matrix.check, 'coverage')
-        uses: codecov/codecov-action@v1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          flags: unittests
-          file: coverage/lcov.info

.github/workflows/ci-simple.yml.example

@@ -0,0 +1,41 @@
+name: Simple CI (Fork-Friendly)
+
+# Forks: This is a lightweight CI workflow for forks that don't need
+# the full orchestrator pipeline. It builds PX4 SITL + one hardware
+# target and runs unit tests + format checks.
+#
+# To use: rename this file from ci-simple.yml.example to ci-simple.yml
+# and enable GitHub Actions in your fork settings.
+# To customize: adjust the 'make' target or container image tag below.
+
+on:
+  push:
+    branches: ['**']
+  pull_request:
+    branches: ['**']
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  quick-check:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/px4/px4-dev:v1.17.0-beta1
+    steps:
+      - name: Configure git
+        run: git config --system --add safe.directory '*'
+
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Quick Check (SITL + FMUv5 + tests + format)
+        run: make quick_check
+        env:
+          RUNS_IN_DOCKER: true

.github/workflows/clang-tidy.yml

@@ -1,30 +0,0 @@
-name: Clang Tidy
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Testing (clang-tidy)
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev-clang:2021-09-08
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          make clang-tidy

.github/workflows/compile_macos.yml

@@ -1,67 +0,0 @@
-name: MacOS build
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: macos-latest
-    strategy:
-      matrix:
-        config: [
-          px4_fmu-v5_default,
-          px4_sitl
-          ]
-    steps:
-    - name: install Python 3.10
-      uses: actions/setup-python@v5
-      with:
-        python-version: "3.10"
-
-    - uses: actions/checkout@v4
-
-    - name: setup
-      run: |
-        ./Tools/setup/macos.sh
-
-    - name: Prepare ccache timestamp
-      id: ccache_cache_timestamp
-      shell: cmake -P {0}
-      run: |
-        string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
-        message("::set-output name=timestamp::${current_date}")
-    - name: ccache cache files
-      uses: actions/cache@v4
-      with:
-        path: ~/.ccache
-        key: macos_${{matrix.config}}-ccache-${{steps.ccache_cache_timestamp.outputs.timestamp}}
-        restore-keys: macos_${{matrix.config}}-ccache-
-    - name: setup ccache
-      run: |
-          mkdir -p ~/.ccache
-          echo "base_dir = ${GITHUB_WORKSPACE}" > ~/.ccache/ccache.conf
-          echo "compression = true" >> ~/.ccache/ccache.conf
-          echo "compression_level = 6" >> ~/.ccache/ccache.conf
-          echo "max_size = 40M" >> ~/.ccache/ccache.conf
-          echo "hash_dir = false" >> ~/.ccache/ccache.conf
-          ccache -s
-          ccache -z
-
-    - name: make ${{matrix.config}}
-      run: |
-          ccache -z
-          make ${{matrix.config}}
-          ccache -s

.github/workflows/compile_ubuntu.yml

@@ -1,57 +0,0 @@
-name: Ubuntu environment build
-
-on:
-  push:
-    branches:
-      - 'main'
-      - 'stable'
-      - 'beta'
-      - 'release/**'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-env:
-  RUNS_IN_DOCKER: true
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build_and_test:
-    name: Build and Test
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ['ubuntu:22.04', 'ubuntu:24.04']
-    runs-on: [runs-on,runner=4cpu-linux-x64,"image=ubuntu24-full-x64","run-id=${{ github.run_id }}",spot=false]
-    container:
-      image: ${{ matrix.version }}
-      volumes:
-        - /github/workspace:/github/workspace
-    steps:
-
-      - name: Fix git in container
-        run: |
-          # we only need this because we are running the job in a container
-          # when checkout pulls git it does it in a shared volume
-          # and file ownership changes between steps
-          # first we install git since its missing from the base image
-          # then we mark the directory as safe for other instances
-          # of git to use.
-          apt update && apt install git -y
-          git config --global --add safe.directory $(realpath .)
-
-      - uses: actions/checkout@v4
-
-      - name: Install Deps, Build, and Make Quick Check
-        run: |
-          # we need to install dependencies and build on the same step
-          # given the stateless nature of docker images
-          ./Tools/setup/ubuntu.sh
-          make quick_check

.github/workflows/docs-orchestrator.yml

@@ -0,0 +1,416 @@
+# Docs - Orchestrator
+#
+# Trigger paths:
+#   push (main, release/**)  → metadata-regen → build-site → deploy-aws
+#   pull_request              → detect-changes → pr-metadata-regen → link-check → build-site (if docs/source changed)
+#   workflow_dispatch         → metadata-regen → build-site → deploy-aws
+#
+# Container jobs (pr-metadata-regen, metadata-regen) run in px4-dev image and
+# require safe.directory + fetch-depth: 0 for git operations.
+
+name: Docs - Orchestrator
+
+on:
+  push:
+    branches:
+      - "main"
+      - "release/**"
+    paths:
+      - "docs/**"
+      - "src/**"
+      - "msg/**"
+      - "ROMFS/**"
+      - "Tools/module_config/**"
+      - ".github/workflows/docs-orchestrator.yml"
+  pull_request:
+    paths:
+      - "docs/**"
+      - ".github/workflows/docs-orchestrator.yml"
+  workflow_dispatch:
+
+concurrency:
+  group: docs-orchestrator-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # =============================================================================
+  # Detect Changes (PR only)
+  # =============================================================================
+  detect-changes:
+    name: "T1: Detect Changes"
+    if: github.event_name == 'pull_request'
+    permissions:
+      contents: read
+    runs-on: ubuntu-latest
+    outputs:
+      source_changed: ${{ steps.changes.outputs.source }}
+      docs_changed: ${{ steps.changes.outputs.docs }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dorny/paths-filter@v3
+        id: changes
+        with:
+          filters: |
+            source:
+              - 'src/**'
+              - 'msg/**'
+              - 'ROMFS/**'
+              - 'Tools/module_config/**'
+            docs:
+              - 'docs/**'
+
+  # =============================================================================
+  # PR Metadata Regen (conditional - only when PR touches source files)
+  # =============================================================================
+  pr-metadata-regen:
+    name: "T2: PR Metadata"
+    needs: [detect-changes]
+    if: github.event_name == 'pull_request' && needs.detect-changes.outputs.source_changed == 'true'
+    permissions:
+      contents: read
+    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false,extras=s3-cache]
+    container:
+      image: px4io/px4-dev:v1.17.0-beta1
+    steps:
+      - uses: runs-on/action@v1
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Git ownership workaround
+        run: git config --system --add safe.directory '*'
+
+      - name: Cache Restore - ccache
+        id: cache-ccache
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/.ccache
+          key: ccache-docs-metadata-${{ github.sha }}
+          restore-keys: |
+            ccache-docs-metadata-
+
+      - name: Setup ccache
+        run: |
+          mkdir -p ~/.ccache
+          echo "max_size = 1G" > ~/.ccache/ccache.conf
+
+      - name: Build px4_sitl_default
+        run: |
+          make px4_sitl_default
+        env:
+          CCACHE_DIR: ~/.ccache
+
+      - name: Cache Save - ccache
+        uses: actions/cache/save@v4
+        if: always()
+        with:
+          path: ~/.ccache
+          key: ccache-docs-metadata-${{ github.sha }}
+
+      - name: Generate and sync metadata
+        run: Tools/ci/metadata_sync.sh --generate --sync parameters airframes modules msg_docs failsafe_web
+        env:
+          CCACHE_DIR: ~/.ccache
+
+      - name: Upload metadata artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: pr-metadata
+          path: docs/
+          retention-days: 1
+
+  # =============================================================================
+  # Push Metadata Regen (main/release branches)
+  # =============================================================================
+  metadata-regen:
+    name: "T2: Metadata Sync"
+    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
+    permissions:
+      contents: write
+    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false,extras=s3-cache]
+    container:
+      image: px4io/px4-dev:v1.17.0-beta1
+    steps:
+      - uses: runs-on/action@v1
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+          token: ${{ secrets.PX4BUILTBOT_PERSONAL_ACCESS_TOKEN }}
+
+      - name: Git ownership workaround
+        run: git config --system --add safe.directory '*'
+
+      - name: Cache Restore - ccache
+        id: cache-ccache
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/.ccache
+          key: ccache-docs-metadata-${{ github.sha }}
+          restore-keys: |
+            ccache-docs-metadata-
+
+      - name: Setup ccache
+        run: |
+          mkdir -p ~/.ccache
+          echo "max_size = 1G" > ~/.ccache/ccache.conf
+
+      - name: Build px4_sitl_default
+        run: |
+          make px4_sitl_default
+        env:
+          CCACHE_DIR: ~/.ccache
+
+      - name: Cache Save - ccache
+        uses: actions/cache/save@v4
+        if: always()
+        with:
+          path: ~/.ccache
+          key: ccache-docs-metadata-${{ github.sha }}
+
+      - name: Generate and sync metadata
+        run: Tools/ci/metadata_sync.sh --generate --sync parameters airframes modules msg_docs failsafe_web
+        env:
+          CCACHE_DIR: ~/.ccache
+
+      - name: Install Node.js and Yarn
+        run: |
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+          corepack enable
+
+      - name: Format markdown with Prettier
+        run: |
+          cd docs
+          yarn install --frozen-lockfile
+          yarn prettier --write "en/**/*.md"
+
+      - name: Commit and push changes
+        run: |
+          git config --global user.name "${{ secrets.PX4BUILDBOT_USER }}"
+          git config --global user.email "${{ secrets.PX4BUILDBOT_EMAIL }}"
+          git add docs/
+          if git diff --staged --quiet; then
+            echo "No changes to commit"
+          else
+            git commit -m "docs: auto-sync metadata [skip ci]
+
+            Co-Authored-By: PX4 BuildBot <${{ secrets.PX4BUILDBOT_EMAIL }}>"
+            git push
+          fi
+
+  # =============================================================================
+  # Link Check
+  # =============================================================================
+  link-check:
+    name: "T2: Link Check"
+    needs: [detect-changes, pr-metadata-regen]
+    if: always() && (github.event_name == 'pull_request')
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+
+      - name: Download metadata artifact
+        if: needs.pr-metadata-regen.result == 'success'
+        uses: actions/download-artifact@v4
+        with:
+          name: pr-metadata
+          path: docs/
+
+      - name: Get changed doc files
+        id: changed-files
+        uses: tj-actions/changed-files@v46.0.5
+        with:
+          json: true
+          write_output_files: true
+          output_dir: ./logs
+          base_sha: ${{ github.event.pull_request.base.sha }}
+          sha: ${{ github.event.pull_request.head.sha }}
+          files: |
+            docs/en/**/*.md
+
+      - name: Save changed files list
+        run: |
+          mv ./logs/all_changed_files.json ./logs/prFiles.json
+          echo "Changed files:"
+          cat ./logs/prFiles.json
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Run filtered link checker (changed files)
+        run: |
+          npm -g install markdown_link_checker_sc@0.0.138
+          if [ "$(jq length ./logs/prFiles.json)" -gt 0 ]; then
+            markdown_link_checker_sc \
+              -r "$GITHUB_WORKSPACE" \
+              -d docs \
+              -e en \
+              -f ./logs/prFiles.json \
+              -i assets \
+              -u docs.px4.io/main/ \
+              > ./logs/filtered-link-check-results.md || true
+          fi
+          if [ ! -s ./logs/filtered-link-check-results.md ]; then
+            echo "No broken links found in changed files." > ./logs/filtered-link-check-results.md
+          fi
+          cat ./logs/filtered-link-check-results.md
+
+      - name: Run full link checker
+        run: |
+          markdown_link_checker_sc \
+            -r "$GITHUB_WORKSPACE" \
+            -d docs \
+            -e en \
+            -i assets \
+            -u docs.px4.io/main/ \
+            > ./logs/link-check-results.md || true
+          cat ./logs/link-check-results.md
+
+      - name: Post PR comment with link check results
+        if: github.event.pull_request.head.repo.full_name == github.repository
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: flaws
+          path: ./logs/filtered-link-check-results.md
+
+      - name: Upload link check results
+        uses: actions/upload-artifact@v4
+        with:
+          name: link-check-results
+          path: logs/
+          retention-days: 7
+
+  # =============================================================================
+  # Build Site
+  # =============================================================================
+  build-site:
+    name: "T3: Build Site"
+    needs: [detect-changes, pr-metadata-regen, metadata-regen, link-check]
+    if: >-
+      always() &&
+      (needs.metadata-regen.result == 'success' || needs.metadata-regen.result == 'skipped') &&
+      (needs.link-check.result == 'success' || needs.link-check.result == 'skipped') &&
+      (github.event_name != 'pull_request' || needs.detect-changes.outputs.docs_changed == 'true' || needs.detect-changes.outputs.source_changed == 'true')
+    permissions:
+      contents: read
+    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false,extras=s3-cache]
+    outputs:
+      branchname: ${{ steps.set-branch.outputs.branchname }}
+      releaseversion: ${{ steps.set-version.outputs.releaseversion }}
+    steps:
+      - uses: runs-on/action@v1
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+
+      - name: Download metadata artifact (PR)
+        if: github.event_name == 'pull_request' && needs.pr-metadata-regen.result == 'success'
+        uses: actions/download-artifact@v4
+        with:
+          name: pr-metadata
+          path: docs/
+
+      - id: set-branch
+        run: echo "branchname=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
+
+      - id: set-version
+        run: |
+          branch="${{ steps.set-branch.outputs.branchname }}"
+          if [[ "$branch" == "main" ]]; then
+            version="main"
+          elif [[ "$branch" =~ ^release/ ]]; then
+            version="v${branch#release/}"
+          elif [[ "${{ github.event_name }}" == "pull_request" ]]; then
+            version="main"
+          else
+            echo "::error::Unsupported branch for docs deploy: $branch (expected main or release/*)"
+            exit 1
+          fi
+          echo "releaseversion=$version" >> $GITHUB_OUTPUT
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+          cache-dependency-path: ./docs/yarn.lock
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile --cwd ./docs
+
+      - name: Build with VitePress
+        working-directory: ./docs
+        env:
+          BRANCH_NAME: ${{ steps.set-version.outputs.releaseversion }}
+        run: |
+          npm run docs:build_ubuntu
+          touch .vitepress/dist/.nojekyll
+          npm run docs:sitemap
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: px4_docs_build
+          path: docs/.vitepress/dist/
+          retention-days: 1
+
+  # =============================================================================
+  # Deploy to AWS (push + workflow_dispatch)
+  # =============================================================================
+  deploy-aws:
+    name: "T4: Deploy"
+    needs: [metadata-regen, build-site]
+    if: >-
+      always() &&
+      needs.metadata-regen.result == 'success' &&
+      needs.build-site.result == 'success' &&
+      (github.event_name == 'push' || github.event_name == 'workflow_dispatch')
+    permissions:
+      id-token: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download Artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: px4_docs_build
+          path: ~/_book
+
+      - name: Configure AWS from OIDC
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
+          aws-region: us-west-2
+
+      - name: Sanity check AWS credentials
+        run: aws sts get-caller-identity
+
+      - name: Upload HTML with short cache
+        run: |
+          aws s3 sync ~/_book/ s3://px4-docs/${{ needs.build-site.outputs.releaseversion }}/ \
+            --delete \
+            --exclude "*" --include "*.html" \
+            --cache-control "public, max-age=60"
+
+      - name: Upload assets with long cache
+        run: |
+          aws s3 sync ~/_book/ s3://px4-docs/${{ needs.build-site.outputs.releaseversion }}/ \
+            --delete \
+            --exclude "*.html" \
+            --cache-control "public, max-age=86400, immutable"

.github/workflows/docs_deploy_aws.yml

@@ -1,116 +0,0 @@
-name: Docs - Deploy PX4 User Guide to AWS
-
-on:
-  push:
-    branches:
-      - "main"
-      - "release/**"
-    paths:
-      - "docs/en/**"
-      - "docs/zh/**"
-      - "docs/uk/**"
-      - "docs/ko/**"
-  pull_request:
-    paths:
-      - "docs/en/**"
-      - "docs/zh/**"
-      - "docs/uk/**"
-      - "docs/ko/**"
-
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  actions: read
-  id-token: write # for AWS OIDC
-
-concurrency:
-  group: docs-deploy
-  cancel-in-progress: false
-
-jobs:
-  build:
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false,extras=s3-cache]
-    outputs:
-      branchname: ${{ steps.set-branch.outputs.branchname }}
-      releaseversion: ${{ steps.set-version.outputs.releaseversion }}
-    steps:
-      - uses: runs-on/action@v1
-
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - id: set-branch
-        run: echo "branchname=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
-
-      - id: set-version
-        run: |
-          branch="${{ steps.set-branch.outputs.branchname }}"
-          if [[ "$branch" == "main" ]]; then
-            version="main"
-          else
-            version="v${branch#release/}"
-          fi
-          echo "releaseversion=$version" >> $GITHUB_OUTPUT
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          cache: npm
-          cache-dependency-path: ./docs/yarn.lock
-
-      - name: Install dependencies
-        run: yarn install --frozen-lockfile --cwd ./docs
-
-      - name: Build with VitePress
-        working-directory: ./docs
-        env:
-          BRANCH_NAME: ${{ steps.set-version.outputs.releaseversion }}
-        run: |
-          npm run docs:build_ubuntu
-          touch .vitepress/dist/.nojekyll
-          npm run docs:sitemap
-
-      - name: Upload artifact
-        if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.merged) || github.event_name == 'workflow_dispatch' }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: px4_docs_build
-          path: docs/.vitepress/dist/
-          retention-days: 1
-
-  deploy:
-    if: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.merged) || github.event_name == 'workflow_dispatch' }}
-    needs: build
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Download Artifact
-        uses: actions/download-artifact@v4
-        with:
-          name: px4_docs_build
-          path: ~/_book
-
-      - name: Configure AWS from OIDC
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
-          aws-region: us-west-2
-
-      - name: Sanity check AWS credentials
-        run: aws sts get-caller-identity
-
-      - name: Upload HTML with short cache
-        run: |
-          aws s3 sync ~/_book/ s3://px4-docs/${{ needs.build.outputs.releaseversion }}/ \
-            --delete \
-            --exclude "*" --include "*.html" \
-            --cache-control "public, max-age=60"
-
-      - name: Upload assets with long cache
-        run: |
-          aws s3 sync ~/_book/ s3://px4-docs/${{ needs.build.outputs.releaseversion }}/ \
-            --delete \
-            --exclude "*.html" \
-            --cache-control "public, max-age=86400, immutable"

.github/workflows/docs_flaw_checker.yml

@@ -1,85 +0,0 @@
-name: Docs - Check for flaws in PX4 Guide Source
-# So far:
-  # Modifications of translations files
-  # Broken internal links
-
-on:
-  pull_request_target:
-    types: [opened, edited, synchronize]
-    paths:
-      - 'docs/en/**'
-
-jobs:
-  check_flaws:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-
-      - name: Install Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: '18'
-
-      - name: Create logs directory
-        run: |
-          mkdir logs
-
-      - name: Get changed english doc files
-        id: get_changed_markdown_english
-        uses: tj-actions/changed-files@v46.0.5
-        with:
-          json: true
-          base_sha: "${{ github.event.pull_request.base.sha }}"
-          sha: "${{ github.event.pull_request.head.sha }}"
-          # Below are used to output files to a directory. May use in flaw checker.
-          # write_output_files: true
-          # output_dir: "./logs"
-          files: |
-            docs/en/**/*.md
-
-      - name: Save JSON file containing files to link check
-        run: |
-          echo "$ALL_CHANGED_FILES"
-          # echo "$ALL_CHANGED_FILES" > ./logs/prFiles.json
-          echo "$ALL_CHANGED_FILES" | sed 's/\\//g' | jq '.' > ./logs/prFiles.json
-        env:
-          ALL_CHANGED_FILES: ${{ steps.get_changed_markdown_english.outputs.all_changed_files }}
-
-      - name: Run link checker
-        id: link-check
-        run: |
-          npm -g install markdown_link_checker_sc@0.0.138
-          markdown_link_checker_sc \
-            -r "$GITHUB_WORKSPACE" \
-            -d docs \
-            -e en \
-            -f ./logs/prFiles.json \
-            -i assets \
-            -u docs.px4.io/main/ \
-            > ./logs/errorsFilteredByPrPages.md
-          mkdir -p ./pr
-          cp ./logs/errorsFilteredByPrPages.md ./pr/errorsFilteredByPrPages.md
-
-      - name: Read errorsFilteredByPrPages.md file
-        id: read-errors-by-page
-        uses: juliangruber/read-file-action@v1
-        with:
-          path: ./logs/errorsFilteredByPrPages.md
-
-      - name: Echo Errors by Page
-        run: echo "$ERRORS"
-        env:
-          ERRORS: ${{ steps.read-errors-by-page.outputs.content }}
-
-      - name: Save PR number
-        run: echo "$PR_NUMBER" > ./pr/pr_number
-        env:
-          PR_NUMBER: ${{ github.event.number }}
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: pr_number
-          path: pr/

.github/workflows/docs_pr_comment.yml

@@ -1,111 +0,0 @@
-name: Docs - Comment Workflow
-on:
-  workflow_run:
-    workflows: ["Docs - Check for flaws in PX4 Guide Source"]
-    types:
-      - completed
-
-jobs:
-  comment:
-    permissions:
-      pull-requests: write # for marocchino/sticky-pull-request-comment
-    name: Comments
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Download PR artifact'
-        uses: actions/github-script@v6
-        with:
-          script: |
-            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               run_id: context.payload.workflow_run.id,
-            });
-            let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
-              return artifact.name == "pr_number"
-            })[0];
-            let download = await github.rest.actions.downloadArtifact({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               artifact_id: matchArtifact.id,
-               archive_format: 'zip',
-            });
-            let fs = require('fs');
-            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/pr_number.zip`, Buffer.from(download.data));
-
-      - name: 'Unzip artifact'
-        run: unzip pr_number.zip
-
-      # Doesn't work across workflows
-      #- name: Get artifacts from flaw checker workflow
-      #  uses: actions/download-artifact@v3
-      #  with:
-      #    name: logs_and_errors
-      #    #path: ./logs
-
-      - name: Read errorsFilteredByPrPages.md file
-        id: read-errors-by-page
-        uses: juliangruber/read-file-action@v1
-        with:
-          path: ./errorsFilteredByPrPages.md
-
-      - name: Read PR number
-        id: read-error-pr-number
-        uses: juliangruber/read-file-action@v1
-        with:
-          path: ./pr_number
-
-      - name: File detail info
-        run: |
-          echo "$ERRORS"
-          echo "$PRNUM"
-        env:
-          ERRORS: ${{ steps.read-errors-by-page.outputs.content }}
-          PRNUM: ${{ steps.read-error-pr-number.outputs.content }}
-
-      - name: Create or update comment
-        id: comment_to_pr
-        uses: marocchino/sticky-pull-request-comment@v2
-        with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          recreate: true
-          number: ${{ steps.read-error-pr-number.outputs.content }}
-          header: flaws
-          message: ${{ steps.read-errors-by-page.outputs.content || 'No flaws found' }}
-
-      #- name: Dump GitHub context
-      #  env:
-      #    GITHUB_CONTEXT: ${{ toJSON(github) }}
-      #  run: echo "$GITHUB_CONTEXT"
-
-      # Would like to do this, but it doesn't work (for me).
-      # Moving to time-based, or triggering on workflow
-      #- name: Wait for artifacts upload to succeed
-      #  uses: lewagon/wait-on-check-action@v1.3.1
-      #  with:
-      #    ref: ${{ github.ref }}
-      #    check-name: 'Archive production artifacts'
-      #    repo-token: ${{ secrets.GITHUB_TOKEN }}
-      #    wait-interval: 80
-
-      # Not needed for now - trying to trigger off the workflow
-      #- name: Sleep for 80 seconds
-      #  run: sleep 80s
-      #  shell: bash
-      #- name: Find Comment
-      #  uses: peter-evans/find-comment@v2
-      #  id: fc
-      #  with:
-      #    issue-number: ${{ steps.read-error-pr-number.outputs.content }}
-      #    comment-author: 'github-actions[bot]'
-      #    body-includes: Flaws (may be none)
-
-      #- name: Create or update comment
-      #  uses: peter-evans/create-or-update-comment@v3
-      #  with:
-      #    comment-id: ${{ steps.fc.outputs.comment-id }}
-      #    issue-number: ${{ steps.read-error-pr-number.outputs.content }}
-      #    body: |
-      #      Flaws (may be none)
-      #      ${{ steps.read-errors-by-page.outputs.content }}
-      #    edit-mode: replace

.github/workflows/ekf_functional_change_indicator.yml

@@ -1,35 +0,0 @@
-name: EKF Change Indicator
-
-on:
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-# If two events are triggered within a short time in the same PR, cancel the run of the oldest event
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
-  cancel-in-progress: true
-
-jobs:
-  unit_tests:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: main test
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          make tests TESTFILTER=EKF
-
-    - name: Check if there is a functional change
-      run: git diff --exit-code
-      working-directory: src/modules/ekf2/test/change_indication

.github/workflows/ekf_update_change_indicator.yml

@@ -1,47 +0,0 @@
-name: EKF Update Change Indicator
-
-on:
-  push:
-    paths-ignore:
-      - 'docs/**'
-
-jobs:
-  unit_tests:
-    runs-on: ubuntu-latest
-    env:
-      GIT_COMMITTER_EMAIL: bot@px4.io
-      GIT_COMMITTER_NAME: PX4BuildBot
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: main test
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          make tests TESTFILTER=EKF
-
-    - name: Check if there exists diff and save result in variable
-      id: diff-check
-      run: echo "CHANGE_INDICATED=$(git diff --exit-code --output=/dev/null || echo $?)" >> $GITHUB_OUTPUT
-      working-directory: src/modules/ekf2/test/change_indication
-
-    - name: auto-commit any changes to change indication
-      uses: stefanzweifel/git-auto-commit-action@v4
-      with:
-        file_pattern: 'src/modules/ekf2/test/change_indication/*.csv'
-        commit_user_name: ${GIT_COMMITTER_NAME}
-        commit_user_email: ${GIT_COMMITTER_EMAIL}
-        commit_message: |
-          '[AUTO COMMIT] update change indication'
-
-          See .github/workflopws/ekf_update_change_indicator.yml for more details
-
-    - name: if there is a functional change, fail check
-      if: ${{ steps.diff-check.outputs.CHANGE_INDICATED }}
-      run: exit 1

.github/workflows/failsafe_sim.yml

@@ -1,58 +0,0 @@
-name: Failsafe Simulator Build
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash
-    strategy:
-      fail-fast: false
-      matrix:
-        check: [
-          "failsafe_web",
-        ]
-    container:
-      image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-      options: --privileged --ulimit core=-1 --security-opt seccomp=unconfined
-    steps:
-      - name: Install Node v20.18.0
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20.18.0
-
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Git ownership workaround
-        run: git config --system --add safe.directory '*'
-
-      - name: Install empscripten
-        run: |
-          git clone https://github.com/emscripten-core/emsdk.git _emscripten_sdk
-          cd _emscripten_sdk
-          git checkout 4.0.15
-          ./emsdk install latest
-          ./emsdk activate latest
-
-      - name: Testing [${{ matrix.check }}]
-        run: |
-          . ./_emscripten_sdk/emsdk_env.sh
-          make ${{ matrix.check }}

.github/workflows/flash_analysis.yml

@@ -1,154 +0,0 @@
-name: FLASH usage analysis
-
-permissions:
-  contents: read
-  pull-requests: write
-  issues: write
-
-on:
-  push:
-    branches:
-      - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-env:
-  MIN_FLASH_POS_DIFF_FOR_COMMENT: 50
-  MIN_FLASH_NEG_DIFF_FOR_COMMENT: -50
-
-jobs:
-  analyze_flash:
-    name: Analyzing ${{ matrix.target }}
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false]
-    container:
-      image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-    strategy:
-      matrix:
-        target: [px4_fmu-v5x, px4_fmu-v6x]
-    outputs:
-      px4_fmu-v5x-bloaty-output: ${{ steps.gen-output.outputs.px4_fmu-v5x-bloaty-output }}
-      px4_fmu-v5x-bloaty-summary-map: ${{ steps.gen-output.outputs.px4_fmu-v5x-bloaty-summary-map }}
-      px4_fmu-v6x-bloaty-output: ${{ steps.gen-output.outputs.px4_fmu-v6x-bloaty-output }}
-      px4_fmu-v6x-bloaty-summary-map: ${{ steps.gen-output.outputs.px4_fmu-v6x-bloaty-summary-map }}
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          submodules: recursive
-
-      - name: Git ownership workaround
-        run: git config --system --add safe.directory '*'
-
-      - name: Build Target
-        run: make ${{ matrix.target }}_flash-analysis
-
-      - name: Store the ELF with the change
-        run: cp ./build/**/*.elf ./with-change.elf
-
-      - name: Clean previous build
-        run: |
-          make clean
-          make distclean
-          make submodulesclean
-
-      - name: If it's a PR checkout the base branch
-        if: ${{ github.event.pull_request }}
-        # As checkout creates a merge commit (merging the base branch into the PR branch), the base branch is the base for a diff of the PR changes.
-        run: git checkout ${{ github.event.pull_request.base.ref }}
-
-      - name: If it's a push checkout the previous commit
-        if: github.event_name == 'push'
-        run: git checkout ${{ github.event.before }}
-
-      - name: Update submodules
-        run: make submodulesupdate
-
-      - name: Build
-        run: make ${{ matrix.target }}_flash-analysis
-
-      - name: Store the ELF before the change
-        run: cp ./build/**/*.elf ./before-change.elf
-
-      - name: bloaty-action
-        uses: PX4/bloaty-action@v1.0.0
-        id: bloaty-step
-        with:
-          bloaty-file-args: ./with-change.elf -- ./before-change.elf
-          bloaty-additional-args: -d sections,symbols -s vm -n 20
-          output-to-summary: true
-
-      - name: Generate output
-        id: gen-output
-        run: |
-          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
-          echo "${{ matrix.target }}-bloaty-output<<$EOF" >> $GITHUB_OUTPUT
-          echo "${{ steps.bloaty-step.outputs.bloaty-output-encoded }}" >> $GITHUB_OUTPUT
-          echo "$EOF" >> $GITHUB_OUTPUT
-          echo "${{ matrix.target }}-bloaty-summary-map<<$EOF" >> $GITHUB_OUTPUT
-          echo '${{ steps.bloaty-step.outputs.bloaty-summary-map }}' >> $GITHUB_OUTPUT
-          echo "$EOF" >> $GITHUB_OUTPUT
-
-  # TODO:
-  # This part of the workflow is causing errors for forks. We should find a way to fix this and enable it again for forks.
-  # Track this issue https://github.com/PX4/PX4-Autopilot/issues/24408
-  post_pr_comment:
-    name: Publish Results
-    runs-on: [runs-on,runner=1cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}"]
-    needs: [analyze_flash]
-    env:
-      V5X-SUMMARY-MAP-ABS: ${{ fromJSON(fromJSON(needs.analyze_flash.outputs.px4_fmu-v5x-bloaty-summary-map).vm-absolute) }}
-      V5X-SUMMARY-MAP-PERC: ${{ fromJSON(fromJSON(needs.analyze_flash.outputs.px4_fmu-v5x-bloaty-summary-map).vm-percentage) }}
-      V6X-SUMMARY-MAP-ABS: ${{ fromJSON(fromJSON(needs.analyze_flash.outputs.px4_fmu-v6x-bloaty-summary-map).vm-absolute) }}
-      V6X-SUMMARY-MAP-PERC: ${{ fromJSON(fromJSON(needs.analyze_flash.outputs.px4_fmu-v6x-bloaty-summary-map).vm-percentage) }}
-    if: github.event.pull_request && github.event.pull_request.head.repo.full_name == github.repository
-    steps:
-      - name: Find Comment
-        uses: peter-evans/find-comment@v3
-        id: fc
-        with:
-          issue-number: ${{ github.event.pull_request.number }}
-          comment-author: 'github-actions[bot]'
-          body-includes: FLASH Analysis
-
-      - name: Set Build Time
-        id: bt
-        run: |
-          echo "timestamp=$(date +'%Y-%m-%dT%H:%M:%S')" >> $GITHUB_OUTPUT
-
-      - name: Create or update comment
-        # This can't be moved to the job-level conditions, as GH actions don't allow a job-level if condition to access the env.
-        if: |
-          steps.fc.outputs.comment-id != '' ||
-          env.V5X-SUMMARY-MAP-ABS >= fromJSON(env.MIN_FLASH_POS_DIFF_FOR_COMMENT) ||
-          env.V5X-SUMMARY-MAP-ABS <= fromJSON(env.MIN_FLASH_NEG_DIFF_FOR_COMMENT) ||
-          env.V6X-SUMMARY-MAP-ABS >= fromJSON(env.MIN_FLASH_POS_DIFF_FOR_COMMENT) ||
-          env.V6X-SUMMARY-MAP-ABS <= fromJSON(env.MIN_FLASH_NEG_DIFF_FOR_COMMENT)
-        uses: peter-evans/create-or-update-comment@v4
-        with:
-          comment-id: ${{ steps.fc.outputs.comment-id }}
-          issue-number: ${{ github.event.pull_request.number }}
-          body: |
-            ## 🔎 FLASH Analysis
-            <details>
-              <summary>px4_fmu-v5x [Total VM Diff: ${{ env.V5X-SUMMARY-MAP-ABS }} byte (${{ env.V5X-SUMMARY-MAP-PERC}} %)]</summary>
-
-              ```
-              ${{ needs.analyze_flash.outputs.px4_fmu-v5x-bloaty-output }}
-              ```
-            </details>
-
-            <details>
-              <summary>px4_fmu-v6x [Total VM Diff: ${{ env.V6X-SUMMARY-MAP-ABS }} byte (${{ env.V6X-SUMMARY-MAP-PERC }} %)]</summary>
-
-              ```
-              ${{ needs.analyze_flash.outputs.px4_fmu-v6x-bloaty-output }}
-              ```
-            </details>
-
-            **Updated: _${{ steps.bt.outputs.timestamp }}_**
-          edit-mode: replace

.github/workflows/itcm_check.yml

@@ -1,67 +0,0 @@
-name: ITCM check
-
-permissions:
-  contents: read
-
-on:
-  push:
-    branches:
-      - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  check_itcm:
-    name: Checking ${{ matrix.target }}
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false]
-    container:
-      image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - target: px4_fmu-v5x
-            scripts: >
-              boards/px4/fmu-v5x/nuttx-config/scripts/itcm_gen_functions.ld
-              boards/px4/fmu-v5x/nuttx-config/scripts/itcm_static_functions.ld
-          - target: px4_fmu-v6xrt
-            scripts: >
-              boards/px4/fmu-v6xrt/nuttx-config/scripts/itcm_functions_includes.ld
-              boards/px4/fmu-v6xrt/nuttx-config/scripts/itcm_static_functions.ld
-          - target: nxp_tropic-community
-            scripts: >
-              boards/nxp/tropic-community/nuttx-config/scripts/itcm_functions_includes.ld
-              boards/nxp/tropic-community/nuttx-config/scripts/itcm_static_functions.ld
-          - target: nxp_mr-tropic
-            scripts: >
-              boards/nxp/mr-tropic/nuttx-config/scripts/itcm_functions_includes.ld
-              boards/nxp/mr-tropic/nuttx-config/scripts/itcm_static_functions.ld
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          submodules: recursive
-
-      - name: Git ownership workaround
-        run: git config --system --add safe.directory '*'
-
-      - name: Build Target
-        run: make ${{ matrix.target }}
-
-      - name: Copy built ELF
-        run: cp ./build/**/*.elf ./built.elf
-
-      - name: Install itcm-check dependencies
-        run: pip3 install -r Tools/setup/optional-requirements.txt --break-system-packages
-
-      - name: Execute the itcm-check
-        run: python3 Tools/itcm_check.py --elf-file built.elf --script-files ${{ matrix.scripts }}

.github/workflows/mavros_mission_tests.yml

@@ -1,43 +0,0 @@
-name: MAVROS Mission Tests
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {vehicle: "iris",          mission: "MC_mission_box"}
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Build SITL and Run Tests
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev-ros-melodic:2021-09-08
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          make px4_sitl_default
-          make px4_sitl_default sitl_gazebo-classic
-          ./test/rostest_px4_run.sh mavros_posix_test_mission.test mission:=${{matrix.config.mission}} vehicle:=${{matrix.config.vehicle}}

.github/workflows/mavros_offboard_tests.yml

@@ -1,45 +0,0 @@
-name: MAVROS Offboard Tests
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    env:
-      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {test_file: "mavros_posix_tests_offboard_posctl.test",    vehicle: "iris"}
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Build PX4 and Run Tests
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev-ros-melodic:2021-09-08
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          make px4_sitl_default
-          make px4_sitl_default sitl_gazebo-classic
-          ./test/rostest_px4_run.sh ${{matrix.config.test_file}} vehicle:=${{matrix.config.vehicle}}

.github/workflows/nuttx_env_config.yml

@@ -1,45 +0,0 @@
-name: Nuttx Target with extra env config
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        config: [
-          px4_fmu-v5_default,
-          ]
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Build PX4 and Run Test [${{ matrix.config }}]
-      uses: addnab/docker-run-action@v3
-      with:
-        image: px4io/px4-dev:v1.16.0-rc1-258-g0369abd556
-        options: -v ${{ github.workspace }}:/workspace
-        run: |
-          cd /workspace
-          git config --global --add safe.directory /workspace
-          export PX4_EXTRA_NUTTX_CONFIG="CONFIG_NSH_LOGIN_PASSWORD=\"test\";CONFIG_NSH_CONSOLE_LOGIN=y"
-          echo "PX4_EXTRA_NUTTX_CONFIG: $PX4_EXTRA_NUTTX_CONFIG"
-          make ${{ matrix.config }} nuttx_context
-          echo "Check that the config option is set"
-          grep CONFIG_NSH_LOGIN_PASSWORD build/${{ matrix.config }}/NuttX/nuttx/.config

.github/workflows/python_checks.yml

@@ -1,33 +0,0 @@
-name: Python CI Checks
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-jobs:
-  build:
-    runs-on: ubuntu-24.04
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Install Python3
-      run: sudo apt-get install python3 python3-setuptools python3-pip -y
-
-    - name: Install tools
-      run: python3 -m pip install mypy types-requests flake8 --break-system-packages
-
-    - name: Check MAVSDK test scripts with mypy
-      run: $HOME/.local/bin/mypy --strict test/mavsdk_tests/*.py
-
-    - name: Check MAVSDK test scripts with flake8
-      run: $HOME/.local/bin/flake8 test/mavsdk_tests/*.py

.github/workflows/ros_integration_tests.yml

@@ -1,134 +0,0 @@
-# NOTE: this workflow is now running on Dronecode / PX4 AWS account.
-# - If you want to keep the tests running in GitHub Actions you need to uncomment the "runs-on: ubuntu-latest" lines
-#   and comment the "runs-on: [runs-on,runner=..." lines.
-# - If you would like to duplicate this setup try setting up "RunsOn" on your own AWS account try https://runs-on.com
-
-name: ROS Integration Tests
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu22-full-x64,"run-id=${{ github.run_id }}",spot=false]
-    container:
-      image: px4io/px4-dev-ros2-galactic:2021-09-08
-      options: --privileged --ulimit core=-1 --security-opt seccomp=unconfined
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0
-
-    - name: Git Ownership Workaround
-      run: git config --system --add safe.directory '*'
-
-    - name: Update ROS Keys
-      run: |
-        sudo rm /etc/apt/sources.list.d/ros2.list && \
-        sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg && \
-        echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null
-
-    - name: Install gazebo
-      run: |
-        apt update && apt install -y gazebo11 libgazebo11-dev gstreamer1.0-plugins-bad gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-ugly libgstreamer-plugins-base1.0-dev
-
-    - name: Prepare ccache timestamp
-      id: ccache_cache_timestamp
-      shell: cmake -P {0}
-      run: |
-        string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
-        message("::set-output name=timestamp::${current_date}")
-    - name: ccache cache files
-      uses: actions/cache@v4
-      with:
-        path: ~/.ccache
-        key: ros_integration_tests-${{matrix.config.build_type}}-ccache-${{steps.ccache_cache_timestamp.outputs.timestamp}}
-        restore-keys: ros_integration_tests-${{matrix.config.build_type}}-ccache-
-    - name: setup ccache
-      run: |
-        mkdir -p ~/.ccache
-        echo "base_dir = ${GITHUB_WORKSPACE}" > ~/.ccache/ccache.conf
-        echo "compression = true" >> ~/.ccache/ccache.conf
-        echo "compression_level = 6" >> ~/.ccache/ccache.conf
-        echo "max_size = 300M" >> ~/.ccache/ccache.conf
-        echo "hash_dir = false" >> ~/.ccache/ccache.conf
-        ccache -s
-        ccache -z
-
-    - name: Get and build micro-xrce-dds-agent
-      run: |
-        cd /opt
-        git clone --recursive https://github.com/eProsima/Micro-XRCE-DDS-Agent.git
-        cd Micro-XRCE-DDS-Agent
-        git checkout v2.2.1 # recent versions require cmake 3.22, but px4-dev-ros2-galactic:2021-09-08 is on 3.16
-        sed -i 's/_fastdds_tag 2.8.x/_fastdds_tag 2.8.2/g' CMakeLists.txt
-        mkdir build
-        cd build
-        cmake ..
-        make -j2
-    - name: ccache post-run micro-xrce-dds-agent
-      run: ccache -s
-
-    - name: Get and build the ros2 interface library
-      shell: bash
-      run: |
-        PX4_DIR="$(pwd)"
-        . /opt/ros/galactic/setup.bash
-        mkdir -p /opt/px4_ws/src
-        cd /opt/px4_ws/src
-        git clone --recursive https://github.com/Auterion/px4-ros2-interface-lib.git
-        # Ignore python packages due to compilation issue (can be enabled when updating ROS)
-        touch px4-ros2-interface-lib/px4_ros2_py/COLCON_IGNORE || true
-        touch px4-ros2-interface-lib/examples/python/COLCON_IGNORE || true
-        cd ..
-        # Copy messages to ROS workspace
-        "${PX4_DIR}/Tools/copy_to_ros_ws.sh" "$(pwd)"
-        rm -rf src/translation_node src/px4_msgs_old
-        colcon build --symlink-install
-    - name: ccache post-run ros workspace
-      run: ccache -s
-
-    - name: Build PX4
-      run: make px4_sitl_default
-    - name: ccache post-run px4/firmware
-      run: ccache -s
-    - name: Build SITL Gazebo
-      run: make px4_sitl_default sitl_gazebo-classic
-    - name: ccache post-run sitl_gazebo-classic
-      run: ccache -s
-
-    - name: Core dump settings
-      run: |
-        ulimit -c unlimited
-        echo "`pwd`/%e.core" > /proc/sys/kernel/core_pattern
-
-    - name: Run tests
-      shell: bash
-      run: |
-        . /opt/px4_ws/install/setup.bash
-        /opt/Micro-XRCE-DDS-Agent/build/MicroXRCEAgent udp4 localhost -p 8888 -v 0 &
-        test/ros_test_runner.py --verbose --model iris --upload --force-color
-      timeout-minutes: 45
-
-    - name: Upload failed logs
-      if: failure()
-      uses: actions/upload-artifact@v4
-      with:
-        name: failed-logs.zip
-        path: |
-          logs/**/**/**/*.log
-          logs/**/**/**/*.ulg
-          build/px4_sitl_default/tmp_ros_tests/rootfs/log/**/*.ulg

.github/workflows/ros_translation_node.yml

@@ -1,61 +0,0 @@
-name: ROS Translation Node Tests
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - '**'
-    paths-ignore:
-      - 'docs/**'
-defaults:
-  run:
-    shell: bash
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build_and_test:
-    name: Build and test
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu24-full-x64,"run-id=${{ github.run_id }}",spot=false]
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {ros_version: "humble", ubuntu: "jammy"}
-          - {ros_version: "jazzy", ubuntu: "noble"}
-    container:
-      image: rostooling/setup-ros-docker:ubuntu-${{ matrix.config.ubuntu }}-latest
-    steps:
-      - name: Setup ROS 2 (${{ matrix.config.ros_version }})
-        uses: ros-tooling/setup-ros@v0.7
-        with:
-          required-ros-distributions: ${{ matrix.config.ros_version }}
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      # Workaround for https://github.com/actions/runner/issues/2033
-      - name: ownership workaround
-        run: git config --system --add safe.directory '*'
-
-      - name: Check .msg file versioning
-        if: github.event_name == 'pull_request'
-        run: |
-          ./Tools/ci/check_msg_versioning.sh ${{ github.event.pull_request.base.sha }} ${{github.event.pull_request.head.sha}}
-
-      - name: Build and test
-        run: |
-          ros_ws=/ros_ws
-          mkdir -p $ros_ws/src
-          ./Tools/copy_to_ros_ws.sh $ros_ws
-          cd $ros_ws
-          source /opt/ros/${{ matrix.config.ros_version }}/setup.sh
-          colcon build --cmake-args -DCMAKE_BUILD_TYPE=Release --symlink-install --event-handlers=console_cohesion+
-          source ./install/setup.sh
-          ./build/translation_node/translation_node_unit_tests

.github/workflows/sitl_tests.yml

@@ -1,161 +0,0 @@
-# NOTE: this workflow is now running on Dronecode / PX4 AWS account.
-# - If you want to keep the tests running in GitHub Actions you need to uncomment the "runs-on: ubuntu-latest" lines
-#   and comment the "runs-on: [runs-on,runner=..." lines.
-# - If you would like to duplicate this setup try setting up "RunsOn" on your own AWS account try https://runs-on.com
-
-name: SITL Tests
-
-on:
-  push:
-    branches:
-    - 'main'
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-    - '**'
-    paths-ignore:
-      - 'docs/**'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    name: Testing PX4 ${{ matrix.config.model }}
-    runs-on: [runs-on,runner=4cpu-linux-x64,image=ubuntu22-full-x64,"run-id=${{ github.run_id }}",spot=false]
-    container:
-      image: px4io/px4-dev-simulation-focal:2021-09-08
-      options: --privileged --ulimit core=-1 --security-opt seccomp=unconfined
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {model: "iris",          latitude:  "59.617693", longitude: "-151.145316", altitude:  "48", build_type: "RelWithDebInfo" } # Alaska
-          - {model: "tailsitter" ,   latitude:  "29.660316", longitude:  "-82.316658", altitude:  "30", build_type: "RelWithDebInfo" } # Florida
-          - {model: "standard_vtol", latitude:  "47.397742", longitude:    "8.545594", altitude: "488", build_type: "Coverage" } # Zurich
-
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Git Ownership Workaround
-        run: git config --system --add safe.directory '*'
-
-      - id: set-timestamp
-        name: Set timestamp for cache
-        run: echo "::set-output name=timestamp::$(date +"%Y%m%d%H%M%S")"
-
-      - name: Cache Key Config
-        uses: actions/cache@v4
-        with:
-          path: ~/.ccache
-          key: sitl-ccache-${{ steps.set-timestamp.outputs.timestamp }}
-          restore-keys: sitl-ccache-${{ steps.set-timestamp.outputs.timestamp }}
-
-      - name: Cache Conf Config
-        run: |
-            mkdir -p ~/.ccache
-            echo "base_dir = ${GITHUB_WORKSPACE}" > ~/.ccache/ccache.conf
-            echo "compression = true" >> ~/.ccache/ccache.conf
-            echo "compression_level = 6" >> ~/.ccache/ccache.conf
-            echo "max_size = 120M" >> ~/.ccache/ccache.conf
-            echo "hash_dir = false" >> ~/.ccache/ccache.conf
-            ccache -s
-            ccache -z
-
-      - name: Build PX4
-        env:
-          PX4_CMAKE_BUILD_TYPE: ${{matrix.config.build_type}}
-        run: make px4_sitl_default
-
-      - name: Cache Post-Run [px4_sitl_default]
-        run: ccache -s
-
-      - name: Build SITL Gazebo
-        env:
-          PX4_CMAKE_BUILD_TYPE: ${{matrix.config.build_type}}
-        run: make px4_sitl_default sitl_gazebo-classic
-
-      - name: Cache Post-Run [sitl_gazebo-classic]
-        run: ccache -s
-
-      - name: Download MAVSDK
-        run: wget "https://github.com/mavlink/MAVSDK/releases/download/v$(cat test/mavsdk_tests/MAVSDK_VERSION)/libmavsdk-dev_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"
-
-      - name: Install MAVSDK
-        run: dpkg -i "libmavsdk-dev_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"
-
-      - name: Check PX4 Environment Variables
-        env:
-          PX4_HOME_LAT: ${{matrix.config.latitude}}
-          PX4_HOME_LON: ${{matrix.config.longitude}}
-          PX4_HOME_ALT: ${{matrix.config.altitude}}
-          PX4_CMAKE_BUILD_TYPE: ${{matrix.config.build_type}}
-        run: |
-            export
-            ulimit -a
-
-      - name: Build PX4 / MAVSDK tests
-        env:
-          PX4_CMAKE_BUILD_TYPE: ${{matrix.config.build_type}}
-          DONT_RUN: 1
-        run: make px4_sitl_default sitl_gazebo-classic mavsdk_tests
-
-      - name: Cache Post-Run [px4_sitl_default sitl_gazebo-classic mavsdk_tests]
-        run: ccache -s
-
-      - name: Core Dump Settings
-        run: |
-            ulimit -c unlimited
-            echo "`pwd`/%e.core" > /proc/sys/kernel/core_pattern
-
-      - name: Run SITL / MAVSDK Tests
-        env:
-          PX4_HOME_LAT: ${{matrix.config.latitude}}
-          PX4_HOME_LON: ${{matrix.config.longitude}}
-          PX4_HOME_ALT: ${{matrix.config.altitude}}
-          PX4_CMAKE_BUILD_TYPE: ${{matrix.config.build_type}}
-        run: test/mavsdk_tests/mavsdk_test_runner.py --speed-factor 10 --abort-early --model ${{matrix.config.model}} test/mavsdk_tests/configs/sitl.json --verbose --force-color
-        timeout-minutes: 45
-
-      - name: Upload failed logs
-        if: failure()
-        uses: actions/upload-artifact@v4
-        with:
-          name: failed-${{matrix.config.model}}-logs.zip
-          path: |
-            logs/**/**/**/*.log
-            logs/**/**/**/*.ulg
-            build/px4_sitl_default/tmp_mavsdk_tests/rootfs/log/**/*.ulg
-
-      - name: Look at Core files
-        if: failure() && ${{ hashFiles('px4.core') != '' }}
-        run: gdb build/px4_sitl_default/bin/px4 px4.core -ex "thread apply all bt" -ex "quit"
-
-      - name: Upload PX4 coredump
-        if: failure() && ${{ hashFiles('px4.core') != '' }}
-        uses: actions/upload-artifact@v4
-        with:
-          name: coredump
-          path: px4.core
-
-      - name: Setup & Generate Coverage Report
-        if: contains(matrix.config.build_type, 'Coverage')
-        run: |
-            git config --global credential.helper "" # disable the keychain credential helper
-            git config --global --add credential.helper store # enable the local store credential helper
-            echo "https://x-access-token:${{ secrets.ACCESS_TOKEN }}@github.com" >> ~/.git-credentials # add credential
-            git config --global url."https://github.com/".insteadof git@github.com: # credentials add credential
-            mkdir -p coverage
-            lcov --directory build/px4_sitl_default --base-directory build/px4_sitl_default --gcov-tool gcov --capture -o coverage/lcov.info
-
-      - name: Upload Coverage Information to Codecov
-        if: contains(matrix.config.build_type, 'Coverage')
-        uses: codecov/codecov-action@v4
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          flags: mavsdk
-          file: coverage/lcov.info

.gitignore

@@ -109,3 +109,6 @@ src/systemcmds/topic_listener/listener_generated.cpp
 # colcon
 log/
 keys/
+
+# metadata
+_emscripten_sdk/

Makefile

@@ -412,7 +412,7 @@ tests:
 	$(call cmake-build,px4_sitl_test)
 
 # work around lcov bug #316; remove once lcov is fixed (see https://github.com/linux-test-project/lcov/issues/316)
-LCOBUG = --ignore-errors mismatch
+LCOBUG = --ignore-errors mismatch,negative
 tests_coverage:
 	@$(MAKE) clean
 	@$(MAKE) --no-print-directory tests PX4_CMAKE_BUILD_TYPE=Coverage
@@ -492,13 +492,29 @@ px4_sitl_default-clang:
 	@cd "$(SRC_DIR)"/build/px4_sitl_default-clang && cmake "$(SRC_DIR)" $(CMAKE_ARGS) -G"$(PX4_CMAKE_GENERATOR)" -DCONFIG=px4_sitl_default -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
 	@$(PX4_MAKE) -C "$(SRC_DIR)"/build/px4_sitl_default-clang
 
+# Paths to exclude from clang-tidy (auto-generated from .gitmodules + manual additions):
+# - All submodules (external code we consume, not edit)
+# - Test code (allowed looser style)
+# - Example code (educational, not production)
+# - Vendored third-party code (e.g., CMSIS_5)
+# - NuttX-only drivers excluded at CMake level (mcp_common); I2C-dependent libs excluded here (smbus)
+# - GPIO excluded here (NuttX platform headers)
+# - Emscripten failsafe web build: source path + Unity build path (failsafe_test.dir)
+#   because CMake Unity Builds merge sources into a generated .cxx under build/
+#
+# To add manual exclusions, append to CLANG_TIDY_EXCLUDE_EXTRA below.
+# Submodules are automatically excluded - no action needed when adding new ones.
+CLANG_TIDY_SUBMODULES := $(shell git config --file .gitmodules --get-regexp path | awk '{print $$2}' | tr '\n' '|' | sed 's/|$$//')
+CLANG_TIDY_EXCLUDE_EXTRA := src/systemcmds/tests|src/examples|src/modules/gyro_fft/CMSIS_5|src/lib/drivers/smbus|src/drivers/gpio|src/modules/commander/failsafe/emscripten|failsafe_test\.dir|\.pb\.cc
+CLANG_TIDY_EXCLUDE := $(CLANG_TIDY_SUBMODULES)|$(CLANG_TIDY_EXCLUDE_EXTRA)
+
 clang-tidy: px4_sitl_default-clang
-	@cd "$(SRC_DIR)"/build/px4_sitl_default-clang && "$(SRC_DIR)"/Tools/run-clang-tidy.py -header-filter=".*\.hpp" -j$(j_clang_tidy) -p .
+	@cd "$(SRC_DIR)"/build/px4_sitl_default-clang && "$(SRC_DIR)"/Tools/run-clang-tidy.py -header-filter=".*\.hpp" -j$(j_clang_tidy) -exclude="$(CLANG_TIDY_EXCLUDE)" -p .
 
 # to automatically fix a single check at a time, eg modernize-redundant-void-arg
 #  % run-clang-tidy-4.0.py -fix -j4 -checks=-\*,modernize-redundant-void-arg -p .
 clang-tidy-fix: px4_sitl_default-clang
-	@cd "$(SRC_DIR)"/build/px4_sitl_default-clang && "$(SRC_DIR)"/Tools/run-clang-tidy.py -header-filter=".*\.hpp" -j$(j_clang_tidy) -fix -p .
+	@cd "$(SRC_DIR)"/build/px4_sitl_default-clang && "$(SRC_DIR)"/Tools/run-clang-tidy.py -header-filter=".*\.hpp" -j$(j_clang_tidy) -exclude="$(CLANG_TIDY_EXCLUDE)" -fix -p .
 
 # TODO: Fix cppcheck errors then try --enable=warning,performance,portability,style,unusedFunction or --enable=all
 cppcheck: px4_sitl_default
@@ -598,3 +614,10 @@ failsafe_web:
 run_failsafe_web_server: failsafe_web
 	@cd build/px4_sitl_default_failsafe_web && \
 		python3 -m http.server
+
+# Generate reference documentation for uORB messages
+.PHONY: msg_docs
+msg_docs:
+	$(call colorecho,'Generating uORB message reference docs')
+	@mkdir -p build/msg_docs
+	@./Tools/msg/generate_msg_docs.py -d build/msg_docs

README.md

@@ -1,62 +1,109 @@
-# PX4 Drone Autopilot
+<p align="center">
+  <a href="https://px4.io">
+    <img src="docs/assets/site/px4_logo.svg" alt="PX4 Autopilot" width="240">
+  </a>
+</p>
 
-[![Releases](https://img.shields.io/github/release/PX4/PX4-Autopilot.svg)](https://github.com/PX4/PX4-Autopilot/releases) [![DOI](https://zenodo.org/badge/22634/PX4/PX4-Autopilot.svg)](https://zenodo.org/badge/latestdoi/22634/PX4/PX4-Autopilot)
+<p align="center">
+  <em>The autopilot stack the industry builds on.</em>
+</p>
 
-[![Build Targets](https://github.com/PX4/PX4-Autopilot/actions/workflows/build_all_targets.yml/badge.svg?branch=main)](https://github.com/PX4/PX4-Autopilot/actions/workflows/build_all_targets.yml) [![SITL Tests](https://github.com/PX4/PX4-Autopilot/workflows/SITL%20Tests/badge.svg?branch=master)](https://github.com/PX4/PX4-Autopilot/actions?query=workflow%3A%22SITL+Tests%22)
+<p align="center">
+  <a href="https://github.com/PX4/PX4-Autopilot/releases"><img src="https://img.shields.io/github/release/PX4/PX4-Autopilot.svg" alt="Releases"></a>
+  <a href="https://zenodo.org/badge/latestdoi/22634/PX4/PX4-Autopilot"><img src="https://zenodo.org/badge/22634/PX4/PX4-Autopilot.svg" alt="DOI"></a>
+  <a href="https://github.com/PX4/PX4-Autopilot/actions/workflows/build_all_targets.yml"><img src="https://github.com/PX4/PX4-Autopilot/actions/workflows/build_all_targets.yml/badge.svg?branch=main" alt="Build Targets"></a>
+  <a href="https://discord.gg/dronecode"><img src="https://discordapp.com/api/guilds/1022170275984457759/widget.png?style=shield" alt="Discord"></a>
+</p>
 
-[![Discord Shield](https://discordapp.com/api/guilds/1022170275984457759/widget.png?style=shield)](https://discord.gg/dronecode)
+---
 
-This repository holds the [PX4](http://px4.io) flight control solution for drones, with the main applications located in the [src/modules](https://github.com/PX4/PX4-Autopilot/tree/main/src/modules) directory. It also contains the PX4 Drone Middleware Platform, which provides drivers and middleware to run drones.
+## About
 
-PX4 is highly portable, OS-independent and supports Linux, NuttX and MacOS out of the box.
+PX4 is an open-source autopilot stack for drones and unmanned vehicles. It supports multirotors, fixed-wing, VTOL, rovers, and many more experimental platforms from racing quads to industrial survey aircraft. It runs on [NuttX](https://nuttx.apache.org/), Linux, and macOS. Licensed under [BSD 3-Clause](LICENSE).
 
-* Official Website: http://px4.io (License: BSD 3-clause, [LICENSE](https://github.com/PX4/PX4-Autopilot/blob/main/LICENSE))
-* [Supported airframes](https://docs.px4.io/main/en/airframes/airframe_reference.html) ([portfolio](https://px4.io/ecosystem/commercial-systems/)):
-  * [Multicopters](https://docs.px4.io/main/en/frames_multicopter/)
-  * [Fixed wing](https://docs.px4.io/main/en/frames_plane/)
-  * [VTOL](https://docs.px4.io/main/en/frames_vtol/)
-  * [Autogyro](https://docs.px4.io/main/en/frames_autogyro/)
-  * [Rover](https://docs.px4.io/main/en/frames_rover/)
-  * many more experimental types (Blimps, Boats, Submarines, High Altitude Balloons, Spacecraft, etc)
-* Releases: [Downloads](https://github.com/PX4/PX4-Autopilot/releases)
+## Why PX4
 
-## Releases
+**Modular architecture.** PX4 is built around [uORB](https://docs.px4.io/main/en/middleware/uorb.html), a [DDS](https://docs.px4.io/main/en/middleware/uxrce_dds.html)-compatible publish/subscribe middleware. Modules are fully parallelized and thread safe. You can build custom configurations and trim what you don't need.
 
-Release notes and supporting information for PX4 releases can be found on the [Developer Guide](https://docs.px4.io/main/en/releases/).
+**Wide hardware support.** PX4 runs on a wide range of [autopilot boards](https://docs.px4.io/main/en/flight_controller/) and supports an extensive set of sensors, telemetry radios, and actuators through the [Pixhawk](https://pixhawk.org/) ecosystem.
 
-## Building a PX4 based drone, rover, boat or robot
+**Developer friendly.** First-class support for [MAVLink](https://mavlink.io/) and [DDS / ROS 2](https://docs.px4.io/main/en/ros2/) integration. Comprehensive [SITL simulation](https://docs.px4.io/main/en/simulation/), hardware-in-the-loop testing, and [log analysis](https://docs.px4.io/main/en/log/flight_log_analysis.html) tools. An active developer community on [Discord](https://discord.gg/dronecode) and the [weekly dev call](https://docs.px4.io/main/en/contribute/).
 
-The [PX4 User Guide](https://docs.px4.io/main/en/) explains how to assemble [supported vehicles](https://docs.px4.io/main/en/airframes/airframe_reference.html) and fly drones with PX4. See the [forum and chat](https://docs.px4.io/main/en/#getting-help) if you need help!
+**Vendor neutral governance.** PX4 is hosted under the [Dronecode Foundation](https://www.dronecode.org/), part of the Linux Foundation. Business-friendly BSD-3 license. No single vendor controls the roadmap.
 
+## Supported Vehicles
 
-## Changing Code and Contributing
+<table>
+  <tr>
+    <td align="center">
+      <a href="https://docs.px4.io/main/en/frames_multicopter/">
+        <img src="docs/assets/airframes/types/QuadRotorX.svg" width="50" alt="Multicopter"><br>
+        <sub>Multicopter</sub>
+      </a>
+    </td>
+    <td align="center">
+      <a href="https://docs.px4.io/main/en/frames_plane/">
+        <img src="docs/assets/airframes/types/Plane.svg" width="50" alt="Fixed Wing"><br>
+        <sub>Fixed Wing</sub>
+      </a>
+    </td>
+    <td align="center">
+      <a href="https://docs.px4.io/main/en/frames_vtol/">
+        <img src="docs/assets/airframes/types/VTOLPlane.svg" width="50" alt="VTOL"><br>
+        <sub>VTOL</sub>
+      </a>
+    </td>
+    <td align="center">
+      <a href="https://docs.px4.io/main/en/frames_rover/">
+        <img src="docs/assets/airframes/types/Rover.svg" width="50" alt="Rover"><br>
+        <sub>Rover</sub>
+      </a>
+    </td>
+  </tr>
+</table>
 
-This [Developer Guide](https://docs.px4.io/main/en/development/development.html) is for software developers who want to modify the flight stack and middleware (e.g. to add new flight modes), hardware integrators who want to support new flight controller boards and peripherals, and anyone who wants to get PX4 working on a new (unsupported) airframe/vehicle.
+<sub>…and many more: helicopters, autogyros, airships, submarines, boats, and other experimental platforms. These frames have basic support but are not part of the regular flight-test program. See the <a href="https://docs.px4.io/main/en/airframes/airframe_reference.html">full airframe reference</a>.</sub>
 
-Developers should read the [Guide for Contributions](https://docs.px4.io/main/en/contribute/).
-See the [forum and chat](https://docs.px4.io/main/en/#getting-help) if you need help!
+## Quick Start
 
+```bash
+git clone https://github.com/PX4/PX4-Autopilot.git --recursive
+cd PX4-Autopilot
+make px4_sitl
+```
 
-## Weekly Dev Call
+> [!NOTE]
+> See the [Development Guide](https://docs.px4.io/main/en/development/development.html) for toolchain setup and build options.
 
-The PX4 Dev Team syncs up on a [weekly dev call](https://docs.px4.io/main/en/contribute/).
+## Documentation & Resources
 
-> **Note** The dev call is open to all interested developers (not just the core dev team). This is a great opportunity to meet the team and contribute to the ongoing development of the platform. It includes a QA session for newcomers. All regular calls are listed in the [Dronecode calendar](https://www.dronecode.org/calendar/).
+| Resource | Description |
+| --- | --- |
+| [User Guide](https://docs.px4.io/main/en/) | Build, configure, and fly with PX4 |
+| [Developer Guide](https://docs.px4.io/main/en/development/development.html) | Modify the flight stack, add peripherals, port to new hardware |
+| [Airframe Reference](https://docs.px4.io/main/en/airframes/airframe_reference.html) | Full list of supported frames |
+| [Autopilot Hardware](https://docs.px4.io/main/en/flight_controller/) | Compatible flight controllers |
+| [Release Notes](https://docs.px4.io/main/en/releases/) | What's new in each release |
+| [Contribution Guide](https://docs.px4.io/main/en/contribute/) | How to contribute to PX4 |
 
+## Community
 
-## Maintenance Team
+- **Weekly Dev Call** — open to all developers ([Dronecode calendar](https://www.dronecode.org/calendar/))
+- **Discord** — [Join the Dronecode server](https://discord.gg/dronecode)
+- **Discussion Forum** — [PX4 Discuss](https://discuss.px4.io/)
+- **Maintainers** — see [`MAINTAINERS.md`](MAINTAINERS.md)
+- **Contributor Stats** — [LFX Insights](https://insights.lfx.linuxfoundation.org/foundation/dronecode)
 
-See the latest list of maintainers on [MAINTAINERS](MAINTAINERS.md) file at the root of the project.
+## Contributing
 
-For the latest stats on contributors please see the latest stats for the Dronecode ecosystem in our project dashboard under [LFX Insights](https://insights.lfx.linuxfoundation.org/foundation/dronecode). For information on how to update your profile and affiliations please see the following support link on how to [Complete Your LFX Profile](https://docs.linuxfoundation.org/lfx/my-profile/complete-your-lfx-profile). Dronecode publishes a yearly snapshot of contributions and achievements on its [website under the Reports section](https://dronecode.org).
+We welcome contributions of all kinds — bug reports, documentation, new features, and code reviews. Please read the [Contribution Guide](https://docs.px4.io/main/en/contribute/) to get started.
 
-## Supported Hardware
+## Governance
 
-For the most up to date information, please visit [PX4 User Guide > Autopilot Hardware](https://docs.px4.io/main/en/flight_controller/).
+The PX4 Autopilot project is hosted by the [Dronecode Foundation](https://www.dronecode.org/), a [Linux Foundation](https://www.linuxfoundation.org/) Collaborative Project. Dronecode holds all PX4 trademarks and serves as the project's legal guardian, ensuring vendor-neutral stewardship — no single company owns the name or controls the roadmap. The source code is licensed under the [BSD 3-Clause](LICENSE) license, so you are free to use, modify, and distribute it in your own projects.
 
-## Project Governance
-
-The PX4 Autopilot project including all of its trademarks is hosted under [Dronecode](https://www.dronecode.org/), part of the Linux Foundation.
-
-<a href="https://www.dronecode.org/" style="padding:20px" ><img src="https://dronecode.org/wp-content/uploads/sites/24/2020/08/dronecode_logo_default-1.png" alt="Dronecode Logo" width="110px"/></a>
-<div style="padding:10px">&nbsp;</div>
+<p align="center">
+  <a href="https://www.dronecode.org/">
+    <img src="docs/assets/site/dronecode_logo.svg" alt="Dronecode Logo" width="180">
+  </a>
+</p>

ROMFS/px4fmu_common/init.d-posix/airframes/4004_gz_standard_vtol

@@ -101,6 +101,7 @@ param set-default NAV_ACC_RAD 5
 param set-default NAV_DLL_ACT 2
 
 param set-default VT_FWD_THRUST_EN 4
+param set-default VT_PITCH_MIN -5
 param set-default VT_F_TRANS_THR 1
 param set-default VT_TYPE 2
 param set-default FD_ESCS_EN 0

ROMFS/px4fmu_common/init.d/airframes/60002_uuv_bluerov2_heavy

@@ -22,6 +22,9 @@
 
 . ${R}etc/init.d/rc.uuv_defaults
 
+# Overwrite DDS AG IP to `192.168.0.1`
+param set-default UXRCE_DDS_AG_IP -1062731775
+
 # param set-default MAV_1_CONFIG 102
 
 param set-default BAT1_A_PER_V 37.8798

ROMFS/px4fmu_common/init.d/rc.uuv_defaults

@@ -10,9 +10,6 @@ set VEHICLE_TYPE uuv
 # MAV_TYPE_SUBMARINE 12
 param set-default MAV_TYPE 12
 
-# Set micro-dds-client to use ethernet and IP-address 192.168.0.1
-param set-default UXRCE_DDS_AG_IP -1062731775
-
 # Disable preflight disarm to not interfere with external launching
 param set-default COM_DISARM_PRFLT -1
 param set-default CBRK_SUPPLY_CHK 894281

Tools/ci/generate_board_targets_json.py

@@ -36,11 +36,20 @@ if args.filter:
         target_filter.append(target)
 
 default_container = 'ghcr.io/px4/px4-dev:v1.16.0-rc1-258-g0369abd556'
+voxl2_container = 'ghcr.io/px4/px4-dev-voxl2:v1.5'
 build_configs = []
 grouped_targets = {}
-excluded_boards = ['modalai_voxl2', 'px4_ros2', 'espressif_esp32']  # TODO: fix and enable
+excluded_boards = ['px4_ros2', 'espressif_esp32']  # TODO: fix and enable
 excluded_manufacturers = ['atlflight']
-excluded_platforms = ['qurt']
+excluded_platforms = []
+
+# Container overrides for platforms/boards that need a non-default container
+platform_container_overrides = {
+    'qurt': voxl2_container,
+}
+board_container_overrides = {
+    'modalai_voxl2': voxl2_container,
+}
 excluded_labels = [
     'stackcheck',
     'nolockstep', 'replay', 'test',
@@ -88,7 +97,20 @@ def process_target(px4board_file, target_name):
 
     if platform not in excluded_platforms:
         container = default_container
-        if platform == 'posix':
+
+        # Extract board name (manufacturer_board) from target name
+        board_name = '_'.join(target_name.split('_')[:2])
+
+        # Apply container overrides for specific platforms or boards
+        if platform in platform_container_overrides:
+            container = platform_container_overrides[platform]
+        if board_name in board_container_overrides:
+            container = board_container_overrides[board_name]
+
+        # Boards with container overrides get their own group
+        if board_name in board_container_overrides or platform in platform_container_overrides:
+            group = 'voxl2'
+        elif platform == 'posix':
             group = 'base'
             if toolchain:
                 if toolchain.startswith('aarch64'):
@@ -203,7 +225,7 @@ if (args.group):
     if(verbose):
         print(f'=:Architectures: [{grouped_targets.keys()}]')
     for arch in grouped_targets:
-        runner = 'x64' if arch == 'nuttx' else 'arm64'
+        runner = 'x64' if arch in ('nuttx', 'voxl2') else 'arm64'
         if(verbose):
             print(f'=:Processing: [{arch}]')
         temp_group = []

Tools/ci/metadata_sync.sh

@@ -0,0 +1,431 @@
+#!/usr/bin/env bash
+#
+# metadata_sync.sh - Unified metadata generation and synchronization for PX4 docs
+#
+# Usage:
+#   Tools/ci/metadata_sync.sh [OPTIONS] [TYPES...]
+#
+# Types:
+#   parameters    - Parameter reference (docs/en/advanced_config/parameter_reference.md)
+#   airframes     - Airframe reference (docs/en/airframes/airframe_reference.md)
+#   modules       - Module documentation (docs/en/modules/*.md)
+#   msg_docs      - uORB message docs (docs/en/msg_docs/*.md + docs/en/middleware/dds_topics.md)
+#   uorb_graphs   - uORB graph JSONs (docs/public/middleware/*.json)
+#   failsafe_web  - Failsafe simulator (docs/public/config/failsafe/*.{js,wasm,json})
+#   all           - All of the above (default)
+#
+# Options:
+#   --generate    Build the make targets to generate fresh metadata
+#   --sync        Copy generated files to docs/
+#   --verbose     Show detailed output
+#   --help        Show this help
+#
+# Exit codes:
+#   0 - Success (files synced or already up-to-date)
+#   1 - Error (build failed, missing files, etc.)
+#
+# Examples:
+#   # Full regeneration and sync (orchestrator use case)
+#   Tools/ci/metadata_sync.sh --generate --sync all
+#
+#   # Just sync specific type (assumes already built)
+#   Tools/ci/metadata_sync.sh --sync parameters
+#
+#   # Generate only, don't copy
+#   Tools/ci/metadata_sync.sh --generate uorb_graphs
+#
+set -euo pipefail
+shopt -s nullglob
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Configuration
+# ═══════════════════════════════════════════════════════════════════════════════
+
+EMSCRIPTEN_VERSION="3.1.64"
+EMSDK_DIR="${EMSDK_DIR:-_emscripten_sdk}"
+
+# All available metadata types
+ALL_TYPES=(parameters airframes modules msg_docs uorb_graphs failsafe_web)
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Logging
+# ═══════════════════════════════════════════════════════════════════════════════
+
+VERBOSE=false
+
+log() {
+    echo "[metadata_sync] $*"
+}
+
+log_verbose() {
+    if [[ "$VERBOSE" == "true" ]]; then
+        echo "[metadata_sync] $*"
+    fi
+}
+
+die() {
+    echo "[metadata_sync] ERROR: $*" >&2
+    exit 1
+}
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Help
+# ═══════════════════════════════════════════════════════════════════════════════
+
+show_help() {
+    head -n 35 "$0" | tail -n +2 | sed 's/^# \?//'
+    exit 0
+}
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Emscripten Setup
+# ═══════════════════════════════════════════════════════════════════════════════
+
+ensure_emscripten() {
+    if command -v emcc >/dev/null 2>&1; then
+        log_verbose "Emscripten already available: $(emcc --version | head -1)"
+        return 0
+    fi
+
+    log "Setting up Emscripten ${EMSCRIPTEN_VERSION}..."
+
+    if [[ ! -d "$EMSDK_DIR" ]]; then
+        log_verbose "Cloning emsdk to $EMSDK_DIR"
+        if [[ "$VERBOSE" == "true" ]]; then
+            git clone https://github.com/emscripten-core/emsdk.git "$EMSDK_DIR"
+        else
+            git clone https://github.com/emscripten-core/emsdk.git "$EMSDK_DIR" >/dev/null 2>&1
+        fi
+    fi
+
+    pushd "$EMSDK_DIR" >/dev/null
+    if [[ "$VERBOSE" == "true" ]]; then
+        ./emsdk install "$EMSCRIPTEN_VERSION"
+        ./emsdk activate "$EMSCRIPTEN_VERSION"
+    else
+        ./emsdk install "$EMSCRIPTEN_VERSION" >/dev/null 2>&1
+        ./emsdk activate "$EMSCRIPTEN_VERSION" >/dev/null 2>&1
+    fi
+    popd >/dev/null
+
+    # shellcheck source=/dev/null
+    source "${EMSDK_DIR}/emsdk_env.sh" >/dev/null 2>&1
+
+    log_verbose "Emscripten ready: $(emcc --version | head -1)"
+}
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Generation Functions
+# ═══════════════════════════════════════════════════════════════════════════════
+
+generate_parameters() {
+    log "Generating parameters metadata..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make parameters_metadata
+    else
+        make parameters_metadata >/dev/null 2>&1
+    fi
+}
+
+generate_airframes() {
+    log "Generating airframes metadata..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make airframe_metadata
+    else
+        make airframe_metadata >/dev/null 2>&1
+    fi
+}
+
+generate_modules() {
+    log "Generating modules documentation..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make module_documentation
+    else
+        make module_documentation >/dev/null 2>&1
+    fi
+}
+
+generate_msg_docs() {
+    log "Generating message documentation..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make msg_docs
+    else
+        make msg_docs >/dev/null 2>&1
+    fi
+}
+
+generate_uorb_graphs() {
+    log "Generating uORB graphs..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make uorb_graphs
+    else
+        make uorb_graphs >/dev/null 2>&1
+    fi
+}
+
+generate_failsafe_web() {
+    ensure_emscripten
+    log "Generating failsafe web..."
+    if [[ "$VERBOSE" == "true" ]]; then
+        make failsafe_web
+    else
+        make failsafe_web >/dev/null 2>&1
+    fi
+}
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Sync Functions
+# ═══════════════════════════════════════════════════════════════════════════════
+
+sync_parameters() {
+    local src="build/px4_sitl_default/docs/parameters.md"
+    local dest="docs/en/advanced_config/parameter_reference.md"
+
+    log "Syncing parameters..."
+
+    if [[ ! -f "$src" ]]; then
+        die "Source file not found: $src (did you run --generate?)"
+    fi
+
+    mkdir -p "$(dirname "$dest")"
+    cp "$src" "$dest"
+    log_verbose "  $src -> $dest"
+}
+
+sync_airframes() {
+    local src="build/px4_sitl_default/docs/airframes.md"
+    local dest="docs/en/airframes/airframe_reference.md"
+
+    log "Syncing airframes..."
+
+    if [[ ! -f "$src" ]]; then
+        die "Source file not found: $src (did you run --generate?)"
+    fi
+
+    mkdir -p "$(dirname "$dest")"
+    cp "$src" "$dest"
+    log_verbose "  $src -> $dest"
+}
+
+sync_modules() {
+    local src_dir="build/px4_sitl_default/docs/modules"
+    local dest_dir="docs/en/modules"
+
+    log "Syncing modules..."
+
+    if [[ ! -d "$src_dir" ]]; then
+        die "Source directory not found: $src_dir (did you run --generate?)"
+    fi
+
+    local src_files=("$src_dir"/*.md)
+    if [[ ${#src_files[@]} -eq 0 ]]; then
+        die "No .md files found in $src_dir"
+    fi
+
+    mkdir -p "$dest_dir"
+
+    for src in "${src_files[@]}"; do
+        local name
+        name=$(basename "$src")
+        cp "$src" "$dest_dir/$name"
+        log_verbose "  $src -> $dest_dir/$name"
+    done
+}
+
+sync_msg_docs() {
+    local src_dir="build/msg_docs"
+    local dest_dir="docs/en/msg_docs"
+    local middleware_dir="docs/en/middleware"
+
+    log "Syncing message docs..."
+
+    if [[ ! -d "$src_dir" ]]; then
+        die "Source directory not found: $src_dir (did you run --generate?)"
+    fi
+
+    local src_files=("$src_dir"/*.md)
+    if [[ ${#src_files[@]} -eq 0 ]]; then
+        die "No .md files found in $src_dir"
+    fi
+
+    mkdir -p "$dest_dir"
+    mkdir -p "$middleware_dir"
+
+    for src in "${src_files[@]}"; do
+        local name
+        name=$(basename "$src")
+
+        # dds_topics.md goes to middleware dir
+        if [[ "$name" == "dds_topics.md" ]]; then
+            cp "$src" "$middleware_dir/$name"
+            log_verbose "  $src -> $middleware_dir/$name"
+        else
+            cp "$src" "$dest_dir/$name"
+            log_verbose "  $src -> $dest_dir/$name"
+        fi
+    done
+}
+
+sync_uorb_graphs() {
+    local src_dir="Tools/uorb_graph"
+    local dest_dir="docs/public/middleware"
+
+    log "Syncing uORB graphs..."
+
+    local src_files=("$src_dir"/*.json)
+    if [[ ${#src_files[@]} -eq 0 ]]; then
+        die "No .json files found in $src_dir (did you run --generate?)"
+    fi
+
+    mkdir -p "$dest_dir"
+
+    for src in "${src_files[@]}"; do
+        local name
+        name=$(basename "$src")
+        cp "$src" "$dest_dir/$name"
+        log_verbose "  $src -> $dest_dir/$name"
+    done
+}
+
+sync_failsafe_web() {
+    local src_dir="build/px4_sitl_default_failsafe_web"
+    local dest_dir="docs/public/config/failsafe"
+
+    log "Syncing failsafe web..."
+
+    if [[ ! -d "$src_dir" ]]; then
+        die "Source directory not found: $src_dir (did you run --generate?)"
+    fi
+
+    # Gather js, wasm, json files
+    local src_files=()
+    for ext in js wasm json; do
+        src_files+=("$src_dir"/*."$ext")
+    done
+
+    if [[ ${#src_files[@]} -eq 0 ]]; then
+        die "No .js/.wasm/.json files found in $src_dir"
+    fi
+
+    mkdir -p "$dest_dir"
+
+    for src in "${src_files[@]}"; do
+        local name
+        name=$(basename "$src")
+        cp "$src" "$dest_dir/$name"
+        log_verbose "  $src -> $dest_dir/$name"
+    done
+}
+
+# ═══════════════════════════════════════════════════════════════════════════════
+# Main Logic
+# ═══════════════════════════════════════════════════════════════════════════════
+
+DO_GENERATE=false
+DO_SYNC=false
+SELECTED_TYPES=()
+
+parse_args() {
+    while [[ $# -gt 0 ]]; do
+        case "$1" in
+            --generate)
+                DO_GENERATE=true
+                shift
+                ;;
+            --sync)
+                DO_SYNC=true
+                shift
+                ;;
+            --verbose)
+                VERBOSE=true
+                shift
+                ;;
+            --help|-h)
+                show_help
+                ;;
+            -*)
+                die "Unknown option: $1"
+                ;;
+            *)
+                # It's a type
+                SELECTED_TYPES+=("$1")
+                shift
+                ;;
+        esac
+    done
+
+    # Default to all types if none specified
+    if [[ ${#SELECTED_TYPES[@]} -eq 0 ]]; then
+        SELECTED_TYPES=("all")
+    fi
+
+    # Expand "all" to all types
+    local expanded_types=()
+    for t in "${SELECTED_TYPES[@]}"; do
+        if [[ "$t" == "all" ]]; then
+            expanded_types+=("${ALL_TYPES[@]}")
+        else
+            expanded_types+=("$t")
+        fi
+    done
+    SELECTED_TYPES=("${expanded_types[@]}")
+
+    # Validate types
+    for t in "${SELECTED_TYPES[@]}"; do
+        local valid=false
+        for valid_type in "${ALL_TYPES[@]}"; do
+            if [[ "$t" == "$valid_type" ]]; then
+                valid=true
+                break
+            fi
+        done
+        if [[ "$valid" == "false" ]]; then
+            die "Unknown type: $t (valid: ${ALL_TYPES[*]})"
+        fi
+    done
+
+    # Must specify at least one action
+    if [[ "$DO_GENERATE" == "false" && "$DO_SYNC" == "false" ]]; then
+        die "Must specify at least one of: --generate, --sync"
+    fi
+}
+
+main() {
+    parse_args "$@"
+
+    log "Selected types: ${SELECTED_TYPES[*]}"
+    [[ "$DO_GENERATE" == "true" ]] && log "Actions: generate"
+    [[ "$DO_SYNC" == "true" ]] && log "Actions: sync"
+
+    # Remove duplicates from SELECTED_TYPES
+    local -A seen
+    local unique_types=()
+    for t in "${SELECTED_TYPES[@]}"; do
+        if [[ -z "${seen[$t]:-}" ]]; then
+            seen[$t]=1
+            unique_types+=("$t")
+        fi
+    done
+    SELECTED_TYPES=("${unique_types[@]}")
+
+    # Generate phase
+    if [[ "$DO_GENERATE" == "true" ]]; then
+        log "=== Generation Phase ==="
+        for t in "${SELECTED_TYPES[@]}"; do
+            "generate_$t"
+        done
+    fi
+
+    # Sync phase
+    if [[ "$DO_SYNC" == "true" ]]; then
+        log "=== Sync Phase ==="
+        for t in "${SELECTED_TYPES[@]}"; do
+            "sync_$t"
+        done
+    fi
+
+    log "Done."
+    exit 0
+}
+
+main "$@"

Tools/ci/package_build_artifacts.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 
 mkdir artifacts
-cp **/**/*.px4 artifacts/
-cp **/**/*.elf artifacts/
+cp **/**/*.px4 artifacts/ 2>/dev/null || true
+cp **/**/*.elf artifacts/ 2>/dev/null || true
 for build_dir_path in build/*/ ; do
   build_dir_path=${build_dir_path::${#build_dir_path}-1}
   build_dir=${build_dir_path#*/}

Tools/ci/run-clang-tidy-pr.py

@@ -0,0 +1,147 @@
+#!/usr/bin/env python3
+"""
+Run clang-tidy incrementally on files changed in a PR.
+
+Usage: run-clang-tidy-pr.py <base-ref>
+  base-ref: e.g. origin/main
+
+Computes the set of translation units (TUs) affected by the PR diff,
+then invokes Tools/run-clang-tidy.py on that subset only.
+Exits 0 silently when no C++ files were changed.
+"""
+
+import argparse
+import json
+import os
+import subprocess
+import sys
+
+EXTENSIONS_CPP = {'.cpp', '.c'}
+EXTENSIONS_HDR = {'.hpp', '.h'}
+# Manual exclusions from Makefile:508
+EXCLUDE_EXTRA = '|'.join([
+    'src/systemcmds/tests',
+    'src/examples',
+    'src/modules/gyro_fft/CMSIS_5',
+    'src/lib/drivers/smbus',
+    'src/drivers/gpio',
+    r'src/modules/commander/failsafe/emscripten',
+    r'failsafe_test\.dir',
+])
+
+
+def repo_root():
+    try:
+        return subprocess.check_output(
+            ['git', 'rev-parse', '--show-toplevel'], text=True).strip()
+    except subprocess.CalledProcessError:
+        print('error: not inside a git repository', file=sys.stderr)
+        sys.exit(1)
+
+
+def changed_files(base_ref, root):
+    try:
+        out = subprocess.check_output(
+            ['git', 'diff', '--name-only', f'{base_ref}...HEAD',
+             '--', '*.cpp', '*.hpp', '*.h', '*.c'],
+            text=True, cwd=root).strip()
+        return out.splitlines() if out else []
+    except subprocess.CalledProcessError:
+        print(f'error: could not diff against "{base_ref}" — '
+              'is the ref valid and fetched?', file=sys.stderr)
+        sys.exit(1)
+
+
+def submodule_paths(root):
+    # Returns [] if .gitmodules is absent or has no paths — both valid
+    try:
+        out = subprocess.check_output(
+            ['git', 'config', '--file', '.gitmodules',
+             '--get-regexp', 'path'],
+            text=True, cwd=root).strip()
+        return [line.split()[1] for line in out.splitlines()]
+    except subprocess.CalledProcessError:
+        return []
+
+
+def build_exclude(root):
+    submodules = '|'.join(submodule_paths(root))
+    return f'{submodules}|{EXCLUDE_EXTRA}' if submodules else EXCLUDE_EXTRA
+
+
+def load_db(build_dir):
+    db_path = os.path.join(build_dir, 'compile_commands.json')
+    if not os.path.isfile(db_path):
+        print(f'error: {db_path} not found', file=sys.stderr)
+        print('Run "make px4_sitl_default-clang" first to generate '
+              'the compilation database', file=sys.stderr)
+        sys.exit(1)
+    try:
+        with open(db_path) as f:
+            return json.load(f)
+    except json.JSONDecodeError as e:
+        print(f'error: compile_commands.json is malformed: {e}', file=sys.stderr)
+        sys.exit(1)
+
+
+def find_tus(changed, db, root):
+    db_files = {e['file'] for e in db}
+    result = set()
+    for f in changed:
+        abs_path = os.path.join(root, f)
+        ext = os.path.splitext(f)[1]
+        if ext in EXTENSIONS_CPP:
+            if abs_path in db_files:
+                result.add(abs_path)
+        elif ext in EXTENSIONS_HDR:
+            hdr = os.path.basename(f)
+            for e in db:
+                try:
+                    if hdr in open(e['file']).read():
+                        result.add(e['file'])
+                except OSError:
+                    pass  # file deleted in PR — skip
+    return sorted(result)
+
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__,
+                                     formatter_class=argparse.RawDescriptionHelpFormatter)
+    parser.add_argument('base_ref',
+                        help='Git ref to diff against, e.g. origin/main')
+    args = parser.parse_args()
+
+    root = repo_root()
+    build_dir = os.path.join(root, 'build', 'px4_sitl_default-clang')
+
+    run_tidy = os.path.join(root, 'Tools', 'run-clang-tidy.py')
+    if not os.path.isfile(run_tidy):
+        print(f'error: {run_tidy} not found', file=sys.stderr)
+        sys.exit(1)
+
+    changed = changed_files(args.base_ref, root)
+    if not changed:
+        print('No C++ files changed — skipping clang-tidy')
+        sys.exit(0)
+
+    db = load_db(build_dir)
+    tus = find_tus(changed, db, root)
+
+    if not tus:
+        print('No matching TUs in compile_commands.json — skipping clang-tidy')
+        sys.exit(0)
+
+    print(f'Running clang-tidy on {len(tus)} translation unit(s)')
+
+    result = subprocess.run(
+        [sys.executable, run_tidy,
+         '-header-filter=.*\\.hpp',
+         '-j0',
+         f'-exclude={build_exclude(root)}',
+         '-p', build_dir] + tus
+    )
+    sys.exit(result.returncode)
+
+
+if __name__ == '__main__':
+    main()

Tools/ci/test_metadata_sync.sh

@@ -0,0 +1,163 @@
+#!/usr/bin/env bash
+#
+# test_metadata_sync.sh - Test metadata_sync.sh locally using Docker
+#
+# Usage:
+#   Tools/ci/test_metadata_sync.sh [OPTIONS] [TYPES...]
+#
+# Options:
+#   --shell       Drop into interactive shell instead of running sync
+#   --verbose     Pass --verbose to metadata_sync.sh
+#   --skip-build  Skip SITL build (use existing build artifacts)
+#   --help        Show this help
+#
+# Types:
+#   Same as metadata_sync.sh: parameters, airframes, modules, msg_docs, uorb_graphs, failsafe_web, all
+#
+# Examples:
+#   # Test full regeneration
+#   Tools/ci/test_metadata_sync.sh all
+#
+#   # Test just parameters (faster)
+#   Tools/ci/test_metadata_sync.sh parameters
+#
+#   # Drop into shell for debugging
+#   Tools/ci/test_metadata_sync.sh --shell
+#
+#   # Skip build if you already have artifacts
+#   Tools/ci/test_metadata_sync.sh --skip-build --verbose all
+#
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+
+DOCKER_IMAGE="px4io/px4-dev:v1.17.0-alpha1"
+CONTAINER_NAME="px4-metadata-test-$$"
+
+SHELL_MODE=false
+VERBOSE=""
+SKIP_BUILD=false
+TYPES=()
+
+show_help() {
+    head -n 28 "$0" | tail -n +2 | sed 's/^# \?//'
+    exit 0
+}
+
+cleanup() {
+    echo "[test] Cleaning up container..."
+    docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
+}
+
+parse_args() {
+    while [[ $# -gt 0 ]]; do
+        case "$1" in
+            --shell)
+                SHELL_MODE=true
+                shift
+                ;;
+            --verbose)
+                VERBOSE="--verbose"
+                shift
+                ;;
+            --skip-build)
+                SKIP_BUILD=true
+                shift
+                ;;
+            --help|-h)
+                show_help
+                ;;
+            -*)
+                echo "Unknown option: $1" >&2
+                exit 1
+                ;;
+            *)
+                TYPES+=("$1")
+                shift
+                ;;
+        esac
+    done
+
+    # Default to all types
+    if [[ ${#TYPES[@]} -eq 0 ]]; then
+        TYPES=("all")
+    fi
+}
+
+main() {
+    parse_args "$@"
+
+    cd "$REPO_ROOT"
+
+    echo "[test] Using Docker image: $DOCKER_IMAGE"
+    echo "[test] Repository root: $REPO_ROOT"
+
+    # Pull image if not present
+    if ! docker image inspect "$DOCKER_IMAGE" >/dev/null 2>&1; then
+        echo "[test] Pulling Docker image..."
+        docker pull "$DOCKER_IMAGE"
+    fi
+
+    trap cleanup EXIT
+
+    # Handle git worktrees: the .git file points to the main repo's .git directory
+    # We need to mount that directory too so git works inside the container
+    local git_mounts=()
+    if [[ -f "$REPO_ROOT/.git" ]]; then
+        # It's a worktree - read the gitdir path and mount it
+        local gitdir
+        gitdir=$(grep '^gitdir:' "$REPO_ROOT/.git" | cut -d' ' -f2)
+        if [[ -n "$gitdir" ]]; then
+            # Mount the gitdir at the same path so the .git file reference works
+            git_mounts+=("-v" "$gitdir:$gitdir:ro")
+            # Also need the main .git directory (parent of worktrees/)
+            local main_git_dir
+            main_git_dir=$(dirname "$(dirname "$gitdir")")
+            git_mounts+=("-v" "$main_git_dir:$main_git_dir:ro")
+            echo "[test] Detected git worktree, mounting git directories"
+        fi
+    fi
+
+    if [[ "$SHELL_MODE" == "true" ]]; then
+        echo "[test] Starting interactive shell..."
+        echo "[test] Run: Tools/ci/metadata_sync.sh --generate --sync all"
+        docker run -it --rm \
+            --name "$CONTAINER_NAME" \
+            -v "$REPO_ROOT:/src" \
+            "${git_mounts[@]}" \
+            -w /src \
+            "$DOCKER_IMAGE" \
+            /bin/bash
+    else
+        echo "[test] Running metadata sync for: ${TYPES[*]}"
+
+        # Build the command
+        local cmd=""
+
+        if [[ "$SKIP_BUILD" == "false" ]]; then
+            cmd="Tools/ci/metadata_sync.sh --generate --sync $VERBOSE ${TYPES[*]}"
+        else
+            cmd="Tools/ci/metadata_sync.sh --sync $VERBOSE ${TYPES[*]}"
+        fi
+
+        echo "[test] Command: $cmd"
+
+        docker run --rm \
+            --name "$CONTAINER_NAME" \
+            -v "$REPO_ROOT:/src" \
+            "${git_mounts[@]}" \
+            -w /src \
+            "$DOCKER_IMAGE" \
+            /bin/bash -c "$cmd"
+
+        echo ""
+        echo "[test] Done! Check git status for changes:"
+        echo "  git status -s docs/"
+        echo ""
+        echo "[test] To see what changed:"
+        echo "  git diff docs/"
+    fi
+}
+
+main "$@"

Tools/docker_run.sh

@@ -1,47 +1,27 @@
 #! /bin/bash
 
 if [ -z ${PX4_DOCKER_REPO+x} ]; then
-	echo "guessing PX4_DOCKER_REPO based on input";
-	if [[ $@ =~ .*clang.* ]] || [[ $@ =~ .*scan-build.* ]]; then
-		# clang tools
-		PX4_DOCKER_REPO="px4io/px4-dev-clang:2021-02-04"
-	elif [[ $@ =~ .*tests* ]]; then
-		# run all tests with simulation
-		PX4_DOCKER_REPO="px4io/px4-dev-simulation-bionic:2021-12-11"
-	fi
+	PX4_DOCKER_REPO="px4io/px4-dev:v1.17.0-beta1"
 else
 	echo "PX4_DOCKER_REPO is set to '$PX4_DOCKER_REPO'";
 fi
 
-# otherwise default to nuttx
-if [ -z ${PX4_DOCKER_REPO+x} ]; then
-	PX4_DOCKER_REPO="px4io/px4-dev:v1.16.0-rc1-258-g0369abd556"
-fi
-
 echo "PX4_DOCKER_REPO: $PX4_DOCKER_REPO";
 
-PWD=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-SRC_DIR=$PWD/../
+SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+SRC_DIR=${SCRIPT_DIR}/../
 
 CCACHE_DIR=${HOME}/.ccache
 mkdir -p "${CCACHE_DIR}"
 
 docker run -it --rm -w "${SRC_DIR}" \
 	--user="$(id -u):$(id -g)" \
-	--env=AWS_ACCESS_KEY_ID \
-	--env=AWS_SECRET_ACCESS_KEY \
-	--env=BRANCH_NAME \
 	--env=CCACHE_DIR="${CCACHE_DIR}" \
-	--env=CI \
-	--env=CODECOV_TOKEN \
-	--env=COVERALLS_REPO_TOKEN \
 	--env=PX4_ASAN \
 	--env=PX4_MSAN \
 	--env=PX4_TSAN \
 	--env=PX4_UBSAN \
-	--env=TRAVIS_BRANCH \
-	--env=TRAVIS_BUILD_ID \
 	--publish 14556:14556/udp \
 	--volume=${CCACHE_DIR}:${CCACHE_DIR}:rw \
 	--volume=${SRC_DIR}:${SRC_DIR}:rw \
-	${PX4_DOCKER_REPO} /bin/bash -c "$1 $2 $3"
+	${PX4_DOCKER_REPO} /bin/bash -c "$@"

Tools/run-clang-tidy.py

@@ -144,6 +144,8 @@ def main():
                       help='number of tidy instances to be run in parallel.')
   parser.add_argument('files', nargs='*', default=['.*'],
                       help='files to be processed (regex on path)')
+  parser.add_argument('-exclude', dest='exclude', default=None,
+                      help='regular expression matching files to exclude')
   parser.add_argument('-fix', action='store_true', help='apply fix-its')
   parser.add_argument('-format', action='store_true', help='Reformat code '
                       'after applying fixes')
@@ -192,6 +194,7 @@ def main():
 
   # Build up a big regexy filter from all command line arguments.
   file_name_re = re.compile('(' + ')|('.join(args.files) + ')')
+  exclude_re = re.compile(args.exclude) if args.exclude else None
 
   try:
     # Spin up a bunch of tidy-launching threads.
@@ -205,6 +208,8 @@ def main():
     # Fill the queue with files.
     for name in files:
       if file_name_re.search(name):
+        if exclude_re and exclude_re.search(name):
+          continue
         queue.put(name)
 
     # Wait for all threads to be done.

Tools/setup/docker-entrypoint.sh

@@ -4,7 +4,7 @@ GREEN='\033[0;32m'
 NO_COLOR='\033[0m' # No Color
 SCRIPTID="${GREEN}[docker-entrypoint.sh]${NO_COLOR}"
 
-echo -e "$SCRIPTID Starting"
+echo -e "$SCRIPTID $( uname -m ) | $(date -u +%FT%TZ)"
 
 # Start virtual X server in the background
 # - DISPLAY default is :99, set in dockerfile
@@ -22,6 +22,4 @@ if [ -n "${ROS_DISTRO}" ]; then
 	source "/opt/ros/$ROS_DISTRO/setup.bash"
 fi
 
-echo -e "$SCRIPTID ($( uname -m ))"
-
 exec "$@"

Tools/setup/macos.sh

@@ -74,7 +74,7 @@ python3 -m pip install --user -r ${DIR}/requirements.txt
 
 # Optional, but recommended additional simulation tools:
 if [[ $INSTALL_SIM == "--sim-tools" ]]; then
-	if brew ls --versions px4-sim > /dev/null; then
+	if ! brew ls --versions px4-sim > /dev/null; then
 		brew install px4-sim
 	elif [[ $REINSTALL_FORMULAS == "--reinstall" ]]; then
 		brew reinstall px4-sim

Tools/setup/ubuntu.sh

@@ -6,9 +6,9 @@ set -e
 ## Can also be used in docker.
 ##
 ## Installs:
-## - Common dependencies and tools for nuttx, jMAVSim, Gazebo
+## - Common dependencies and tools for nuttx, Gazebo
 ## - NuttX toolchain (omit with arg: --no-nuttx)
-## - jMAVSim and Gazebo9 simulator (omit with arg: --no-sim-tools)
+## - Gazebo Harmonic simulator (omit with arg: --no-sim-tools)
 ##
 
 INSTALL_NUTTX="true"
@@ -207,37 +207,18 @@ if [[ $INSTALL_SIM == "true" ]]; then
 		bc \
 		;
 
-	# Gazebo / Gazebo classic installation
-	if [[ "${UBUNTU_RELEASE}" == "18.04" || "${UBUNTU_RELEASE}" == "20.04" ]]; then
-		sudo sh -c 'echo "deb http://packages.osrfoundation.org/gazebo/ubuntu-stable `lsb_release -cs` main" > /etc/apt/sources.list.d/gazebo-stable.list'
-		wget http://packages.osrfoundation.org/gazebo.key -O - | sudo apt-key add -
-		# Update list, since new gazebo-stable.list has been added
-		sudo apt-get update -y --quiet
+	# Gazebo Harmonic installation (Ubuntu 22.04+)
+	echo "[ubuntu.sh] Gazebo (Harmonic) will be installed"
+	# Add Gazebo binary repository
+	sudo wget https://packages.osrfoundation.org/gazebo.gpg -O /usr/share/keyrings/pkgs-osrf-archive-keyring.gpg
+	echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/pkgs-osrf-archive-keyring.gpg] http://packages.osrfoundation.org/gazebo/ubuntu-stable $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/gazebo-stable.list > /dev/null
+	sudo apt-get update -y --quiet
 
-		# Install Gazebo classic
-		if [[ "${UBUNTU_RELEASE}" == "18.04" ]]; then
-			gazebo_classic_version=9
-			gazebo_packages="gazebo$gazebo_classic_version libgazebo$gazebo_classic_version-dev"
-		else
-			# default and Ubuntu 20.04
-			gazebo_classic_version=11
-			gazebo_packages="gazebo$gazebo_classic_version libgazebo$gazebo_classic_version-dev"
-		fi
-	else
-		# Expects Ubuntu 22.04 > by default
-		echo "[ubuntu.sh] Gazebo (Harmonic) will be installed"
-		echo "[ubuntu.sh] Earlier versions will be removed"
-		# Add Gazebo binary repository
-		sudo wget https://packages.osrfoundation.org/gazebo.gpg -O /usr/share/keyrings/pkgs-osrf-archive-keyring.gpg
-		echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/pkgs-osrf-archive-keyring.gpg] http://packages.osrfoundation.org/gazebo/ubuntu-stable $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/gazebo-stable.list > /dev/null
-		sudo apt-get update -y --quiet
+	# Install Gazebo
+	gazebo_packages="gz-harmonic libunwind-dev"
 
-		# Install Gazebo
-		gazebo_packages="gz-harmonic libunwind-dev"
-
-		if [[ "${UBUNTU_RELEASE}" == "24.04" ]]; then
-			gazebo_packages="$gazebo_packages cppzmq-dev"
-		fi
+	if [[ "${UBUNTU_RELEASE}" == "24.04" ]]; then
+		gazebo_packages="$gazebo_packages cppzmq-dev"
 	fi
 
 	sudo DEBIAN_FRONTEND=noninteractive apt-get -y --quiet --no-install-recommends install \

boards/ark/fmu-v6x/src/board_config.h

@@ -243,15 +243,6 @@
  */
 #define DIRECT_PWM_OUTPUT_CHANNELS   9
 
-#define GPIO_FMU_CH1                    /* PI0  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN0)
-#define GPIO_FMU_CH2                    /* PH12 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN12)
-#define GPIO_FMU_CH3                    /* PH11 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN11)
-#define GPIO_FMU_CH4                    /* PH10 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN10)
-#define GPIO_FMU_CH5                    /* PD13 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTD|GPIO_PIN13)
-#define GPIO_FMU_CH6                    /* PD14 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTD|GPIO_PIN14)
-#define GPIO_FMU_CH7                    /* PH6  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN6)
-#define GPIO_FMU_CH8                    /* PH9  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN9)
-
 #define GPIO_FMU_CAP                    /* PE11 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTE|GPIO_PIN11)
 #define GPIO_SPIX_SYNC                  /* PE9  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTE|GPIO_PIN9)
 
@@ -465,14 +456,6 @@
 		GPIO_SAFETY_SWITCH_IN,            \
 		GPIO_PG6,                         \
 		GPIO_nARMED_INIT,                 \
-		GPIO_FMU_CH1,     	          \
-		GPIO_FMU_CH2,     	          \
-		GPIO_FMU_CH3,     	          \
-		GPIO_FMU_CH4,     	          \
-		GPIO_FMU_CH5,     	          \
-		GPIO_FMU_CH6,     	          \
-		GPIO_FMU_CH7,     	          \
-		GPIO_FMU_CH8,     	          \
 		GPIO_FMU_CAP,     	          \
 		GPIO_SPIX_SYNC                    \
 	}

boards/ark/fmu-v6x/zenoh.px4board

@@ -0,0 +1,5 @@
+# CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE is not set
+CONFIG_BOARD_CONSTRAINED_FLASH=y
+CONFIG_BOARD_CONSTRAINED_MEMORY=y
+CONFIG_MODULES_UXRCE_DDS_CLIENT=n
+CONFIG_MODULES_ZENOH=y

boards/ark/fpv/init/rc.board_defaults

@@ -26,6 +26,8 @@ then
 fi
 
 param set-default BAT1_V_DIV 21.0
+param set-default BAT1_V_FILT 0.075
+param set-default BAT1_I_FILT 0.5
 
 param set-default RC_CRSF_PRT_CFG 300
 param set-default RC_SBUS_PRT_CFG 0

boards/ark/fpv/src/board_config.h

@@ -176,9 +176,6 @@
 
 #define BOARD_BATTERY1_V_DIV	 (21.0f) // (20k + 1k) / 1k = 21
 
-#define BOARD_BATTERY_ADC_VOLTAGE_FILTER_S 0.075f
-#define BOARD_BATTERY_ADC_CURRENT_FILTER_S 0.125f
-
 #define ADC_SCALED_PAYLOAD_SENSE ADC_SCALED_12V_CHANNEL
 
 /* HW has to large of R termination on ADC todo:change when HW value is chosen */
@@ -226,16 +223,6 @@
  */
 #define DIRECT_PWM_OUTPUT_CHANNELS   9
 
-#define GPIO_FMU_CH1                    /* PI0  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN0)
-#define GPIO_FMU_CH2                    /* PH12 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN12)
-#define GPIO_FMU_CH3                    /* PH11 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN11)
-#define GPIO_FMU_CH4                    /* PH10 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN10)
-#define GPIO_FMU_CH5                    /* PI5  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN5)
-#define GPIO_FMU_CH6                    /* PI6  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN6)
-#define GPIO_FMU_CH7                    /* PI7  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN7)
-#define GPIO_FMU_CH8                    /* PI2  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN2)
-#define GPIO_FMU_CH9                    /* PD12 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTD|GPIO_PIN12)
-
 #define GPIO_SPIX_SYNC                  /* PE9  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTE|GPIO_PIN9)
 
 /* Power supply control and monitoring GPIOs */
@@ -339,15 +326,6 @@
 		GPIO_VDD_3V3_SD_CARD_EN,          \
 		GPIO_nARMED_INIT,                 \
 		SPI6_nRESET_EXTERNAL1,            \
-		GPIO_FMU_CH1,     	          \
-		GPIO_FMU_CH2,     	          \
-		GPIO_FMU_CH3,     	          \
-		GPIO_FMU_CH4,     	          \
-		GPIO_FMU_CH5,     	          \
-		GPIO_FMU_CH6,     	          \
-		GPIO_FMU_CH7,     	          \
-		GPIO_FMU_CH8,     	          \
-		GPIO_FMU_CH9,     	          \
 		GPIO_SPIX_SYNC                    \
 	}
 

boards/ark/pi6x/src/board_config.h

@@ -206,15 +206,6 @@
  */
 #define DIRECT_PWM_OUTPUT_CHANNELS   8
 
-#define GPIO_FMU_CH1                    /* PI0  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTI|GPIO_PIN0)
-#define GPIO_FMU_CH2                    /* PH12 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN12)
-#define GPIO_FMU_CH3                    /* PH11 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN11)
-#define GPIO_FMU_CH4                    /* PH10 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN10)
-#define GPIO_FMU_CH5                    /* PD13 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTD|GPIO_PIN13)
-#define GPIO_FMU_CH6                    /* PD14 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTD|GPIO_PIN14)
-#define GPIO_FMU_CH7                    /* PH6  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN6)
-#define GPIO_FMU_CH8                    /* PH9  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTH|GPIO_PIN9)
-
 #define GPIO_FMU_CAP                    /* PE11 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTE|GPIO_PIN11)
 #define GPIO_SPIX_SYNC                  /* PE9  */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_PORTE|GPIO_PIN9)
 
@@ -341,14 +332,6 @@
 		GPIO_NFC_GPIO,                    \
 		GPIO_TONE_ALARM_IDLE,             \
 		GPIO_nARMED_INIT,                 \
-		GPIO_FMU_CH1,     	          \
-		GPIO_FMU_CH2,     	          \
-		GPIO_FMU_CH3,     	          \
-		GPIO_FMU_CH4,     	          \
-		GPIO_FMU_CH5,     	          \
-		GPIO_FMU_CH6,     	          \
-		GPIO_FMU_CH7,     	          \
-		GPIO_FMU_CH8,     	          \
 		GPIO_FMU_CAP,     	          \
 		GPIO_SPIX_SYNC                    \
 	}

boards/cuav/fmu-v6x/init/rc.board_sensors

@@ -66,15 +66,15 @@ then
 	fi
 fi
 
+iim42652 -R 6 -s -C 32768 start
 bmi088 -A -R 4 -s start
 bmi088 -G -R 4 -s start
-iim42652 -R 6 -s -C 32768 start
 icm45686 -R 2 -s start
 
 rm3100 -I -b 4 start
 
-icp201xx -I -a 0x64 start
 bmp581 -b 2 -X -a 0x47 start
+icp201xx -I -a 0x64 start
 
 # External compass on GPS1/I2C1 (the 3rd external bus): standard Holybro Pixhawk 4 or CUAV V5 GPS/compass puck (with lights, safety button, and buzzer)
 ist8310 -X -b 1 -R 10 start

boards/cuav/nora/src/board_config.h

@@ -127,8 +127,8 @@
 #define GPIO_VDD_5V_RC_EN               /* PG5  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTG|GPIO_PIN5)
 #define GPIO_VDD_3V3_SD_CARD_EN         /* PG7  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTG|GPIO_PIN7)
 
-#define GPIO_VDD_5V_HIPOWER_OC          /* PJ3 */  (GPIO_INPUT|GPIO_FLOAT|GPIO_PORTJ|GPIO_PIN3)
-#define GPIO_nVDD_5V_PERIPH_OC          /* PJ4 */  (GPIO_INPUT|GPIO_FLOAT|GPIO_PORTJ|GPIO_PIN4)
+#define GPIO_VDD_5V_HIPOWER_OC          /* PJ3 */  (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTJ|GPIO_PIN3)
+#define GPIO_nVDD_5V_PERIPH_OC          /* PJ4 */  (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTJ|GPIO_PIN4)
 
 /* Power switch controls ******************************************************/
 #define VDD_5V_PERIPH_EN(on_true)          px4_arch_gpiowrite(GPIO_nVDD_5V_PERIPH_EN, (on_true))

boards/cuav/x25-evo/core_heater/core_heater.cpp

@@ -43,6 +43,8 @@
 #include <drivers/drv_hrt.h>
 #include <drivers/drv_io_heater.h>
 
+ModuleBase::Descriptor Core_Heater::desc{task_spawn, custom_command, print_usage};
+
 #  ifndef GPIO_CORE_HEATER_OUTPUT
 #  error "To use the heater driver, the board_config.h must define and initialize GPIO_CORE_HEATER_OUTPUT"
 #  endif
@@ -62,7 +64,7 @@ Core_Heater::~Core_Heater()
 int Core_Heater::custom_command(int argc, char *argv[])
 {
 	// Check if the driver is running.
-	if (!is_running()) {
+	if (!is_running(desc)) {
 		PX4_INFO("not running");
 		return PX4_ERROR;
 	}
@@ -117,7 +119,7 @@ bool Core_Heater::initialize_topics()
 void Core_Heater::Run()
 {
 	if (should_exit()) {
-		exit_and_cleanup();
+		exit_and_cleanup(desc);
 		return;
 	}
 
@@ -216,8 +218,8 @@ int Core_Heater::task_spawn(int argc, char *argv[])
 		return PX4_ERROR;
 	}
 
-	_object.store(core_heater);
-	_task_id = task_id_is_work_queue;
+	desc.object.store(core_heater);
+	desc.task_id = task_id_is_work_queue;
 
 	core_heater->start();
 	return 0;
@@ -257,5 +259,5 @@ Background process running periodically on the LP work queue to regulate IMU tem
 
 extern "C" __EXPORT int core_heater_main(int argc, char *argv[])
 {
-	return Core_Heater::main(argc, argv);
+	return ModuleBase::main(Core_Heater::desc, argc, argv);
 }

boards/cuav/x25-evo/core_heater/core_heater.h

@@ -56,9 +56,11 @@ using namespace time_literals;
 #define CONTROLLER_PERIOD_DEFAULT    10000
 #define TEMPERATURE_TARGET_THRESHOLD 2.5f
 
-class Core_Heater : public ModuleBase<Core_Heater>, public ModuleParams, public px4::ScheduledWorkItem
+class Core_Heater : public ModuleBase, public ModuleParams, public px4::ScheduledWorkItem
 {
 public:
+	static Descriptor desc;
+
 	Core_Heater();
 
 	virtual ~Core_Heater();

boards/emlid/navio2/navio_rgbled/NavioRGBLed.cpp

@@ -33,6 +33,8 @@
 
 #include "NavioRGBLed.hpp"
 
+ModuleBase::Descriptor NavioRGBLed::desc{task_spawn, custom_command, print_usage};
+
 NavioRGBLed::NavioRGBLed() :
 	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::lp_default)
 {
@@ -130,8 +132,8 @@ int NavioRGBLed::task_spawn(int argc, char *argv[])
 	NavioRGBLed *instance = new NavioRGBLed();
 
 	if (instance) {
-		_object.store(instance);
-		_task_id = task_id_is_work_queue;
+		desc.object.store(instance);
+		desc.task_id = task_id_is_work_queue;
 
 		if (instance->init() == PX4_OK) {
 			return PX4_OK;
@@ -142,8 +144,8 @@ int NavioRGBLed::task_spawn(int argc, char *argv[])
 	}
 
 	delete instance;
-	_object.store(nullptr);
-	_task_id = -1;
+	desc.object.store(nullptr);
+	desc.task_id = -1;
 
 	return PX4_ERROR;
 }
@@ -170,5 +172,5 @@ Emlid Navio2 RGB LED driver.
 
 extern "C" __EXPORT int navio_rgbled_main(int argc, char *argv[])
 {
-	return NavioRGBLed::main(argc, argv);
+	return ModuleBase::main(NavioRGBLed::desc, argc, argv);
 }

boards/emlid/navio2/navio_rgbled/NavioRGBLed.hpp

@@ -40,9 +40,11 @@
 
 #include <lib/led/led.h>
 
-class NavioRGBLed : public ModuleBase<NavioRGBLed>, public px4::ScheduledWorkItem
+class NavioRGBLed : public ModuleBase, public px4::ScheduledWorkItem
 {
 public:
+	static Descriptor desc;
+
 	NavioRGBLed();
 	~NavioRGBLed() override;
 

boards/modalai/voxl2-slpi/src/drivers/ghst_rc/ghst_rc.cpp

@@ -49,6 +49,8 @@
 
 using namespace time_literals;
 
+ModuleBase::Descriptor GhstRc::desc{task_spawn, custom_command, print_usage};
+
 uint32_t GhstRc::baudrate = GHST_BAUDRATE;
 
 GhstRc::GhstRc(const char *device) :
@@ -114,8 +116,8 @@ int GhstRc::task_spawn(int argc, char *argv[])
 		return PX4_ERROR;
 	}
 
-	_object.store(instance);
-	_task_id = task_id_is_work_queue;
+	desc.object.store(instance);
+	desc.task_id = task_id_is_work_queue;
 
 	instance->ScheduleNow();
 
@@ -174,7 +176,7 @@ void GhstRc::Run()
 	if (should_exit()) {
 		ScheduleClear();
 		_rc_fd = -1;
-		exit_and_cleanup();
+		exit_and_cleanup(desc);
 		return;
 	}
 
@@ -308,5 +310,5 @@ This module parses the GHST RC uplink protocol and can generate GHST downlink te
 
 extern "C" __EXPORT int ghst_rc_main(int argc, char *argv[])
 {
-	return GhstRc::main(argc, argv);
+	return ModuleBase::main(GhstRc::desc, argc, argv);
 }

boards/modalai/voxl2-slpi/src/drivers/ghst_rc/ghst_rc.hpp

@@ -54,9 +54,11 @@
 
 #define GHST_MAX_NUM_CHANNELS			(16)
 
-class GhstRc : public ModuleBase<GhstRc>, public ModuleParams, public px4::ScheduledWorkItem
+class GhstRc : public ModuleBase, public ModuleParams, public px4::ScheduledWorkItem
 {
 public:
+	static Descriptor desc;
+
 	GhstRc(const char *device);
 	~GhstRc() override;
 

boards/modalai/voxl2-slpi/src/drivers/rc_controller/rc_controller.cpp

@@ -59,6 +59,8 @@
 
 #include "rc_controller.hpp"
 
+ModuleBase::Descriptor RC_ControllerModule::desc{task_spawn, custom_command, print_usage};
+
 int RC_ControllerModule::print_status()
 {
 	PX4_INFO("Running");
@@ -69,35 +71,35 @@ int RC_ControllerModule::print_status()
 
 int RC_ControllerModule::custom_command(int argc, char *argv[])
 {
-	if (!is_running()) {
+	if (!is_running(desc)) {
 		print_usage("not running");
 		return 1;
 	}
 
 	if (!strcmp(argv[0], "throttle")) {
 		uint16_t val = atoi(argv[1]);
-		get_instance()->set_throttle(val);
+		get_instance<RC_ControllerModule>(desc)->set_throttle(val);
 		PX4_INFO("Setting throttle to %u", val);
 		return 0;
 	}
 
 	if (!strcmp(argv[0], "yaw")) {
 		uint16_t val = atoi(argv[1]);
-		get_instance()->set_yaw(val);
+		get_instance<RC_ControllerModule>(desc)->set_yaw(val);
 		PX4_INFO("Setting yaw to %u", val);
 		return 0;
 	}
 
 	if (!strcmp(argv[0], "pitch")) {
 		uint16_t val = atoi(argv[1]);
-		get_instance()->set_pitch(val);
+		get_instance<RC_ControllerModule>(desc)->set_pitch(val);
 		PX4_INFO("Setting pitch to %u", val);
 		return 0;
 	}
 
 	if (!strcmp(argv[0], "roll")) {
 		uint16_t val = atoi(argv[1]);
-		get_instance()->set_roll(val);
+		get_instance<RC_ControllerModule>(desc)->set_roll(val);
 		PX4_INFO("Setting roll to %u", val);
 		return 0;
 	}
@@ -106,17 +108,24 @@ int RC_ControllerModule::custom_command(int argc, char *argv[])
 }
 
 
+int RC_ControllerModule::run_trampoline(int argc, char *argv[])
+{
+	return ModuleBase::run_trampoline_impl(desc, [](int ac, char *av[]) -> ModuleBase * {
+		return RC_ControllerModule::instantiate(ac, av);
+	}, argc, argv);
+}
+
 int RC_ControllerModule::task_spawn(int argc, char *argv[])
 {
-	_task_id = px4_task_spawn_cmd("RC_ControllerModule",
-				      SCHED_DEFAULT,
-				      SCHED_PRIORITY_MAX,
-				      1024,
-				      (px4_main_t)&run_trampoline,
-				      (char *const *)argv);
+	desc.task_id = px4_task_spawn_cmd("RC_ControllerModule",
+					  SCHED_DEFAULT,
+					  SCHED_PRIORITY_MAX,
+					  1024,
+					  (px4_main_t)&run_trampoline,
+					  (char *const *)argv);
 
-	if (_task_id < 0) {
-		_task_id = -1;
+	if (desc.task_id < 0) {
+		desc.task_id = -1;
 		return -errno;
 	}
 
@@ -252,5 +261,5 @@ int RC_ControllerModule::print_usage(const char *reason)
 
 int rc_controller_main(int argc, char *argv[])
 {
-	return RC_ControllerModule::main(argc, argv);
+	return ModuleBase::main(RC_ControllerModule::desc, argc, argv);
 }

boards/modalai/voxl2-slpi/src/drivers/rc_controller/rc_controller.hpp

@@ -41,9 +41,11 @@
 
 extern "C" __EXPORT int rc_controller_main(int argc, char *argv[]);
 
-class RC_ControllerModule : public ModuleBase<RC_ControllerModule>, public ModuleParams
+class RC_ControllerModule : public ModuleBase, public ModuleParams
 {
 public:
+	static Descriptor desc;
+
 	RC_ControllerModule();
 
 	virtual ~RC_ControllerModule() = default;
@@ -51,6 +53,9 @@ public:
 	/** @see ModuleBase */
 	static int task_spawn(int argc, char *argv[]);
 
+	/** @see ModuleBase */
+	static int run_trampoline(int argc, char *argv[]);
+
 	/** @see ModuleBase */
 	static RC_ControllerModule *instantiate(int argc, char *argv[]);
 

boards/modalai/voxl2/cmake/init.cmake

@@ -31,4 +31,34 @@
 #
 ############################################################################
 
+# Initialize libfc-sensor-api submodule (fetches from GitLab if not present)
+execute_process(
+	COMMAND Tools/check_submodules.sh boards/modalai/voxl2/libfc-sensor-api
+	WORKING_DIRECTORY ${PX4_SOURCE_DIR}
+)
+
 include_directories(${PX4_BOARD_DIR}/libfc-sensor-api/inc)
+
+# Build libfc_sensor.so stub library automatically if not already built
+set(FC_SENSOR_LIB ${PX4_BOARD_DIR}/libfc-sensor-api/build/libfc_sensor.so)
+if(NOT EXISTS ${FC_SENSOR_LIB})
+	execute_process(
+		COMMAND ${CMAKE_COMMAND} -E make_directory ${PX4_BOARD_DIR}/libfc-sensor-api/build
+	)
+	execute_process(
+		COMMAND ${CMAKE_COMMAND} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} ..
+		WORKING_DIRECTORY ${PX4_BOARD_DIR}/libfc-sensor-api/build
+		RESULT_VARIABLE FC_SENSOR_CMAKE_RESULT
+	)
+	if(NOT FC_SENSOR_CMAKE_RESULT EQUAL 0)
+		message(FATAL_ERROR "Failed to configure libfc_sensor stub library")
+	endif()
+	execute_process(
+		COMMAND ${CMAKE_COMMAND} --build .
+		WORKING_DIRECTORY ${PX4_BOARD_DIR}/libfc-sensor-api/build
+		RESULT_VARIABLE FC_SENSOR_BUILD_RESULT
+	)
+	if(NOT FC_SENSOR_BUILD_RESULT EQUAL 0)
+		message(FATAL_ERROR "Failed to build libfc_sensor stub library")
+	endif()
+endif()

boards/modalai/voxl2/src/modules/voxl_save_cal_params/VoxlSaveCalParams.cpp

@@ -41,6 +41,8 @@
 
 using namespace std;
 
+ModuleBase::Descriptor VoxlSaveCalParams::desc{task_spawn, custom_command, print_usage};
+
 static bool debug = false;
 
 VoxlSaveCalParams::VoxlSaveCalParams() :
@@ -145,7 +147,7 @@ VoxlSaveCalParams::Run()
 {
 	if (should_exit()) {
 		_parameter_primary_set_value_request_sub.unregisterCallback();
-		exit_and_cleanup();
+		exit_and_cleanup(desc);
 		return;
 	}
 
@@ -186,8 +188,8 @@ int VoxlSaveCalParams::task_spawn(int argc, char *argv[])
 	VoxlSaveCalParams *instance = new VoxlSaveCalParams();
 
 	if (instance) {
-		_object.store(instance);
-		_task_id = task_id_is_work_queue;
+		desc.object.store(instance);
+		desc.task_id = task_id_is_work_queue;
 
 		if (instance->init()) {
 			return PX4_OK;
@@ -198,8 +200,8 @@ int VoxlSaveCalParams::task_spawn(int argc, char *argv[])
 	}
 
 	delete instance;
-	_object.store(nullptr);
-	_task_id = -1;
+	desc.object.store(nullptr);
+	desc.task_id = -1;
 
 	return PX4_ERROR;
 }
@@ -230,5 +232,5 @@ This implements autosaving of calibration parameters on VOXL2 platform.
 
 extern "C" __EXPORT int voxl_save_cal_params_main(int argc, char *argv[])
 {
-	return VoxlSaveCalParams::main(argc, argv);
+	return ModuleBase::main(VoxlSaveCalParams::desc, argc, argv);
 }

boards/modalai/voxl2/src/modules/voxl_save_cal_params/VoxlSaveCalParams.hpp

@@ -46,10 +46,12 @@
 
 using namespace time_literals;
 
-class VoxlSaveCalParams : public ModuleBase<VoxlSaveCalParams>, public ModuleParams,
+class VoxlSaveCalParams : public ModuleBase, public ModuleParams,
 	public px4::WorkItem
 {
 public:
+	static Descriptor desc;
+
 	VoxlSaveCalParams();
 	~VoxlSaveCalParams() = default;
 

boards/nxp/mr-tropic/nuttx-config/scripts/itcm_functions_includes.ld

@@ -269,7 +269,6 @@
 *(.text.udp_pollsetup)
 *(.text._ZL14timer_callbackPv)
 *(.text._ZN3Ekf4fuseERKN6matrix6VectorIfLj24EEEf)
-*(.text._ZN13land_detector23MulticopterLandDetector22_set_hysteresis_factorEi)
 *(.text.nxsem_wait_irq)
 *(.text._ZN20MavlinkCommandSender4lockEv)
 *(.text.MEM_LongCopyEnd)
@@ -432,7 +431,7 @@
 *(.text._ZN23MavlinkStreamStatustext8get_sizeEv)
 *(.text._ZN11calibration13Accelerometer13set_device_idEm)
 *(.text._ZN3px46logger6Logger18start_stop_loggingEv)
-*(.text._ZN14FlightTaskAuto17_evaluateTripletsEv)
+*(.text._ZN14FlightTaskAuto32_evaluatePositionSetpointTripletEv)
 *(.text._ZN11calibration9Gyroscope23SensorCorrectionsUpdateEb)
 *(.text._ZN25MavlinkStreamMagCalReport4sendEv)
 *(.text.imxrt_config_gpio)
@@ -573,7 +572,6 @@
 *(.text._ZN4uORB12SubscriptionaSEOS0_)
 *(.text._ZN15TakeoffHandling18updateTakeoffStateEbbbfbRKy)
 *(.text._ZN10ModeChecks14checkAndReportERK7ContextR6Report)
-*(.text._ZN14FlightTaskAuto24_updateInternalWaypointsEv)
 *(.text._ZN8Failsafe17updateArmingStateERKybRK16failsafe_flags_s)
 *(.text.imxrt_lpi2c_modifyreg)
 *(.text.up_flush_dcache)

boards/nxp/tropic-community/nuttx-config/scripts/itcm_functions_includes.ld

@@ -269,7 +269,6 @@
 *(.text.udp_pollsetup)
 *(.text._ZL14timer_callbackPv)
 *(.text._ZN3Ekf4fuseERKN6matrix6VectorIfLj24EEEf)
-*(.text._ZN13land_detector23MulticopterLandDetector22_set_hysteresis_factorEi)
 *(.text.nxsem_wait_irq)
 *(.text._ZN20MavlinkCommandSender4lockEv)
 *(.text.MEM_LongCopyEnd)
@@ -432,7 +431,7 @@
 *(.text._ZN23MavlinkStreamStatustext8get_sizeEv)
 *(.text._ZN11calibration13Accelerometer13set_device_idEm)
 *(.text._ZN3px46logger6Logger18start_stop_loggingEv)
-*(.text._ZN14FlightTaskAuto17_evaluateTripletsEv)
+*(.text._ZN14FlightTaskAuto32_evaluatePositionSetpointTripletEv)
 *(.text._ZN11calibration9Gyroscope23SensorCorrectionsUpdateEb)
 *(.text._ZN25MavlinkStreamMagCalReport4sendEv)
 *(.text.imxrt_config_gpio)
@@ -573,7 +572,6 @@
 *(.text._ZN4uORB12SubscriptionaSEOS0_)
 *(.text._ZN15TakeoffHandling18updateTakeoffStateEbbbfbRKy)
 *(.text._ZN10ModeChecks14checkAndReportERK7ContextR6Report)
-*(.text._ZN14FlightTaskAuto24_updateInternalWaypointsEv)
 *(.text._ZN8Failsafe17updateArmingStateERKybRK16failsafe_flags_s)
 *(.text.imxrt_lpi2c_modifyreg)
 *(.text.up_flush_dcache)

boards/px4/fmu-v6x/default.px4board

@@ -23,9 +23,7 @@ CONFIG_DRIVERS_GPS=y
 CONFIG_DRIVERS_HEATER=y
 CONFIG_DRIVERS_IMU_ANALOG_DEVICES_ADIS16470=y
 CONFIG_DRIVERS_IMU_BOSCH_BMI088=y
-CONFIG_DRIVERS_IMU_INVENSENSE_ICM20602=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM20649=y
-CONFIG_DRIVERS_IMU_INVENSENSE_ICM20948=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM42670P=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM42688P=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM45686=y

boards/px4/fmu-v6x/src/spi.cpp

@@ -180,7 +180,6 @@ constexpr px4_spi_bus_all_hw_t px4_spi_buses_all_hw[BOARD_NUM_SPI_CFG_HW_VERSION
 
 	initSPIFmumID(V6X_16, {
 		initSPIBus(SPI::Bus::SPI1, {
-			initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortI, GPIO::Pin9}, SPI::DRDY{GPIO::PortF, GPIO::Pin2}),
 		}, {GPIO::PortI, GPIO::Pin11}),
 		initSPIBus(SPI::Bus::SPI2, {
 			initSPIDevice(DRV_IMU_DEVTYPE_ICM42688P, SPI::CS{GPIO::PortH, GPIO::Pin5}, SPI::DRDY{GPIO::PortA, GPIO::Pin10}),

boards/px4/fmu-v6xrt/default.px4board

@@ -19,6 +19,7 @@ CONFIG_COMMON_DIFFERENTIAL_PRESSURE=y
 CONFIG_DRIVERS_DIFFERENTIAL_PRESSURE_AUAV=y
 CONFIG_COMMON_DISTANCE_SENSOR=y
 CONFIG_DRIVERS_DISTANCE_SENSOR_LIGHTWARE_SF45_SERIAL=y
+CONFIG_DRIVERS_DISTANCE_SENSOR_LIGHTWARE_GRF_SERIAL=y
 CONFIG_DRIVERS_DSHOT=y
 CONFIG_DRIVERS_GNSS_SEPTENTRIO=y
 CONFIG_DRIVERS_GPS=y

boards/px4/fmu-v6xrt/nuttx-config/scripts/itcm_functions_includes.ld

@@ -273,7 +273,6 @@
 *(.text.udp_pollsetup)
 *(.text._ZL14timer_callbackPv)
 *(.text._ZN3Ekf4fuseERKN6matrix6VectorIfLj24EEEf)
-*(.text._ZN13land_detector23MulticopterLandDetector22_set_hysteresis_factorEi)
 *(.text.nxsem_wait_irq)
 *(.text._ZN20MavlinkCommandSender4lockEv)
 *(.text.MEM_LongCopyEnd)
@@ -440,7 +439,7 @@
 *(.text._ZN23MavlinkStreamStatustext8get_sizeEv)
 *(.text._ZN11calibration13Accelerometer13set_device_idEm)
 *(.text._ZN3px46logger6Logger18start_stop_loggingEv)
-*(.text._ZN14FlightTaskAuto17_evaluateTripletsEv)
+*(.text._ZN14FlightTaskAuto32_evaluatePositionSetpointTripletEv)
 *(.text._ZN11calibration9Gyroscope23SensorCorrectionsUpdateEb)
 *(.text._ZN25MavlinkStreamMagCalReport4sendEv)
 *(.text.imxrt_config_gpio)
@@ -586,7 +585,6 @@
 *(.text._ZN4uORB12SubscriptionaSEOS0_)
 *(.text._ZN15TakeoffHandling18updateTakeoffStateEbbbfbRKy)
 *(.text._ZN10ModeChecks14checkAndReportERK7ContextR6Report)
-*(.text._ZN14FlightTaskAuto24_updateInternalWaypointsEv)
 *(.text._ZN8Failsafe17updateArmingStateERKybRK16failsafe_flags_s)
 *(.text.imxrt_lpi2c_modifyreg)
 *(.text.up_flush_dcache)

docs/.gitignore

@@ -16,6 +16,9 @@ logs
 #Yarn log
 yarn-error.log
 
+# npm lockfile (project uses yarn)
+package-lock.json
+
 
 # Generated alternative _summary.md
 # **/*/_summary.md

docs/.prettierrc

@@ -0,0 +1,8 @@
+{
+  "proseWrap": "preserve",
+  "tabWidth": 2,
+  "useTabs": false,
+  "printWidth": 9999,
+  "endOfLine": "lf",
+  "embeddedLanguageFormatting": "off"
+}

docs/.vitepress/config.mjs

@@ -254,7 +254,63 @@ export default defineConfig({
       head.push(["link", { rel: "canonical", href: canonicalUrlToAdd }]);
     }
 
-    // Add any other custom head tags you might want later
+    // Build version-aware site URL for OG tags
+    const branch = process.env.BRANCH_NAME || "main";
+    const siteUrl = `https://docs.px4.io/${branch}`;
+
+    // OG image — same image for all pages, but URL includes version base
+    const ogImage =
+      pageData.frontmatter.ogImage || `${siteUrl}/og-image.png`;
+
+    // Build the actual page URL (version-aware, includes locale prefix)
+    let ogPath = pageData.relativePath.replace(/\.md$/, "");
+    if (ogPath === "index") ogPath = "";
+    else if (ogPath.endsWith("/index"))
+      ogPath = ogPath.slice(0, -"/index".length);
+    const ogUrl = `${siteUrl}/${ogPath}`;
+
+    // Open Graph
+    head.push(
+      [
+        "meta",
+        {
+          property: "og:title",
+          content: pageData.title || "PX4 Autopilot",
+        },
+      ],
+      [
+        "meta",
+        {
+          property: "og:description",
+          content:
+            pageData.description ||
+            "Open-source flight stack for drones and autonomous vehicles.",
+        },
+      ],
+      ["meta", { property: "og:url", content: ogUrl }],
+      ["meta", { property: "og:image", content: ogImage }],
+    );
+
+    // Twitter Card
+    head.push(
+      [
+        "meta",
+        {
+          name: "twitter:title",
+          content: pageData.title || "PX4 Autopilot",
+        },
+      ],
+      [
+        "meta",
+        {
+          name: "twitter:description",
+          content:
+            pageData.description ||
+            "Open-source flight stack for drones and autonomous vehicles.",
+        },
+      ],
+      ["meta", { name: "twitter:image", content: ogImage }],
+    );
 
     // Return head that will be merged.
     return head;
@@ -276,6 +332,14 @@ export default defineConfig({
       gtag('js', new Date());
       gtag('config', 'G-91EWVWRQ93');`,
     ],
+    // Open Graph
+    ["meta", { property: "og:site_name", content: "PX4 Autopilot" }],
+    ["meta", { property: "og:type", content: "website" }],
+    ["meta", { property: "og:image:width", content: "1200" }],
+    ["meta", { property: "og:image:height", content: "630" }],
+    ["meta", { property: "og:image:type", content: "image/png" }],
+    // Twitter Card
+    ["meta", { name: "twitter:card", content: "summary_large_image" }],
   ],
 
   vue: {

docs/assets/airframes/multicopter/amovlab_f410/amovlabf410_drone_v1.15.4.params

@@ -1,8 +1,8 @@
 # Onboard parameters for Vehicle 1
 #
 # Stack: PX4 Pro
-# Vehicle: Multi-Rotor
-# Version: 1.15.4
+# Vehicle: Amovlab F410
+# Version: 1.15.4 
 # Git Revision: 99c40407ff000000
 #
 # Vehicle-Id Component-Id Name Value Type
@@ -546,7 +546,6 @@
 1	1	IMU_INTEG_RATE	200	6
 1	1	LNDMC_ALT_GND	2.000000000000000000	9
 1	1	LNDMC_ROT_MAX	20.000000000000000000	9
-1	1	LNDMC_TRIG_TIME	1.000000000000000000	9
 1	1	LNDMC_XY_VEL_MAX	1.500000000000000000	9
 1	1	LNDMC_Z_VEL_MAX	0.250000000000000000	9
 1	1	LND_FLIGHT_T_HI	5	6
@@ -1056,9 +1055,6 @@
 1	1	UAVCAN_EC_REV	0	6
 1	1	UAVCAN_ENABLE	2	6
 1	1	UAVCAN_LGT_ANTCL	2	6
-1	1	UAVCAN_LGT_LAND	0	6
-1	1	UAVCAN_LGT_NAV	3	6
-1	1	UAVCAN_LGT_STROB	1	6
 1	1	UAVCAN_NODE_ID	1	6
 1	1	UAVCAN_PUB_ARM	0	6
 1	1	UAVCAN_PUB_MBD	0	6

docs/assets/simulation/px4_sitl_overview.svg

@@ -653,7 +653,7 @@
          id="tspan2761"
          x="-83.335098"
          y="147.11555"
-         style="font-size:3.88056px;writing-mode:lr-tb;stroke-width:0.264583px">simulator_mavlink.cpp</tspan></text>
+         style="font-size:3.88056px;writing-mode:lr-tb;stroke-width:0.264583px">SimulatorMavlink.cpp</tspan></text>
     <path
        style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.79375;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:1.5875, 0.79375;stroke-dashoffset:2.46063;stroke-opacity:1;marker-start:url(#marker3113)"
        d="m -42.713286,146.11223 h 8.466662"

docs/assets/site/dronecode_logo.svg

@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.2.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 612 335.8" style="enable-background:new 0 0 612 335.8;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#4D4E4E;}
+	.st1{fill:#27B373;}
+	.st2{fill:#5DC4CD;}
+	.st3{fill:#1E8756;}
+</style>
+<g>
+	<g>
+		<path class="st0" d="M66.1,232.6l-0.4-95.9h24c16.3,0,25.6,6.5,28,19.4c0.6,3,0.9,12.3,1,27.9c0.1,16.7-0.3,27-1.4,30.7
+			c-1.8,6.3-4.8,10.8-9.1,13.6c-4.2,2.8-10.2,4.2-18.1,4.2H66.1z M72.5,226h17.7c6.8,0,11.8-1.1,15-3.3c2.7-1.9,4.6-5.1,5.9-9.8
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+		<path class="st0" d="M129.1,232.6v-63.2h6.5v1c0,0.7,0.2,1.3,0.7,1.8c0.4,0.4,0.9,0.7,1.5,0.7c0.5,0,1-0.1,1.5-0.4
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docs/en/SUMMARY.md

@@ -253,8 +253,9 @@
       - [Benewake TFmini Lidar](sensor/tfmini.md)
       - [LeddarOne Lidar](sensor/leddar_one.md)
       - [Lidar-Lite](sensor/lidar_lite.md)
-      - [Lightware Lidars (SF/LW)](sensor/sfxx_lidar.md)
+      - [Lightware Lidars (SF/LW/GRF)](sensor/sfxx_lidar.md)
         - [Lightware SF45 Rotary Lidar](sensor/sf45_rotating_lidar.md)
+        - [Lightware GRF250/GRF500 Gimbal Lidar](sensor/grf_lidar.md)
       - [TeraRanger](sensor/teraranger.md)
       - [✘ Lanbao PSK-CM8JL65-CC5](sensor/cm8jl65_ir_distance_sensor.md)
       - [Avionics Anonymous Laser Altimeter UAVCAN Interface (CAN)](dronecan/avanon_laser_interface.md)
@@ -417,6 +418,7 @@
   - [Standard Configuration](config/index.md)
   - [Advanced Configuration](advanced_config/index.md)
     - [Using PX4's Navigation Filter (EKF2)](advanced_config/tuning_the_ecl_ekf.md)
+    - [GNSS-Denied & Degraded Flight](advanced_config/gnss_degraded_or_denied_flight.md)
     - [Finding/Updating Parameters](advanced_config/parameters.md)
     - [Full Parameter Reference](advanced_config/parameter_reference.md)
 
@@ -908,6 +910,7 @@
   - [Terminology/Notation](contribute/notation.md)
   - [Licenses](contribute/licenses.md)
 - [Releases](releases/index.md)
+  - [Release Process](releases/release_process.md)
   - [main (alpha)](releases/main.md)
   - [1.17 (alpha)](releases/1.17.md)
   - [1.16 (stable)](releases/1.16.md)

docs/en/advanced/px4_metadata.md

@@ -31,6 +31,7 @@ For more information see the topics for each data type:
 - [Parameters & Configurations > Creating/Defining Parameters](../advanced/parameters_and_configurations.md#creating-defining-parameters)
 - [Events Interface](../concept/events_interface.md)
 - [Actuator Metadata](#actuator-metadata) (below)
+
 ## Metadata Toolchain
 
 The process for handling metadata is the same for all metadata types.
@@ -69,6 +70,7 @@ The parameter XML file of the main branch is copied into the QGC source tree via
 The following diagram shows how actuator metadata is assembled from the source code and used by QGroundControl:
 
 ![Actuators Metadata](../../assets/diagrams/actuator_metadata_processing.svg)
+
 <!-- Source: https://docs.google.com/drawings/d/1hMQmIijdFjr21rREcXj50qz0C1b47JW0OEa6p5P231k/edit -->
 
 - **Left**: the metadata is defined in `module.yml` files in different modules.

docs/en/advanced_config/advanced_flight_controller_orientation_leveling.md

@@ -34,4 +34,3 @@ You can locate the parameters in QGroundControl as shown below:
   Positive angles increase in CCW direction, negative angles increase in CW direction.
 - [SENS_BOARD_Z_OFF](../advanced_config/parameter_reference.md#SENS_BOARD_Z_OFF): Rotation, in degrees, around PX4FMU's Z axis Yaw axis.
   Positive angles increase in CCW direction, negative angles increase in CW direction.
-  

docs/en/advanced_config/bootloader_update_v6xrt.md

@@ -63,7 +63,6 @@ The tool is available for Windows, Linux and macOS.
    ![Flash bootloader through Secure provisioning - Step 6](../../assets/advanced_config/bootloader_6xrt/bootloader_update_v6xrt_step6.png)
 
    To get the Pixhawk V6X-RT into "ISP bootloader mode" there are 2 options:
-
    1. Launch QGC connect the Pixhawk select **Analayze Tools** and then **MAVLINK Console**.
       On the console type `reboot -i`.
       This will put the Pixhawk V6X-RT into "ISP bootloader mode"

docs/en/advanced_config/esc_calibration.md

@@ -89,7 +89,6 @@ To calibrate the ESCs:
    :::
 
    Verify the following values:
-
    - The minimum value for a motor (default: `1100us`) should make the motor spin slowly but reliably, and also spin up reliably after it was stopped.
 
      You can confirm that a motor spins at minimum (still without propellers) in [Actuator Testing](../config/actuators.md#actuator-testing), by enabling the sliders, and then moving the test output slider for the motor to the first snap position from the bottom.

docs/en/advanced_config/gnss_degraded_or_denied_flight.md

@@ -0,0 +1,77 @@
+# GNSS-Degraded & Denied Flight ("Dead-Reckoning" Mode)
+
+<Badge type="tip" text="PX4 v1.17" /> <Badge type="warning" text="Experimental" />
+
+::: warning Experimental
+This is a new feature with limited real-world testing.
+It is intended for GNSS dropout scenarios (not pure GNSS-denied from takeoff), and requires that alternative velocity/position sensors are available.
+
+Please [share your related test logs](../getting_started/flight_reporting.md#sharing-the-log-files-for-review-by-px4-developers) to help us verify and harden it.
+:::
+
+PX4 is default-configured for outdoor flight with a reliable GNSS signal, but it can also be set up in "dead-reckoning mode" to more gracefully handle environments where GNSS is intermittently degraded or denied during flight.
+
+This section describes the differences between automatic and dead-reckoning modes, the circumstances in which each should be used, and how dead-reckoning is configured.
+
+## Overview
+
+PX4's EKF2 navigation has two modes for handling when GNSS data is determined to be unreliable:
+
+- **Automatic mode** (the default): Used for flying outdoors in environments where a GNSS signal is expected to be largely reliable.
+- **Dead-reckoning mode**: Recommended when you want to fly missions or other position controlled modes when there is intermittent GNSS loss, such as when flying under a bridge, from outdoors into an indoor setting, or when there is GNSS jamming (it is not suitable for pure-indoor use, as a GNSS signal is required before arming).
+
+::: info
+Dead-reckoning mode helps for both Fixed-Wing and Multicopter vehicles.
+MC vehicles benefit more because they can hover when transitioning between sensor regimes.
+FW needs continuous accurate velocity/position during the entire mission arc, making sensor transitions trickier.
+:::
+
+## Mode Comparison
+
+The following sections provide more detail about each of the modes and when they should be used.
+
+### Automatic Mode
+
+In Automatic mode the EKF2 resets if GNSS is lost and no other sources of position are available.
+This can result in a [position loss failsafe](../config/safety.md#position-loss-failsafe) and may trigger a shift into a mode that does not require global position, including stopping missions.
+
+This is desirable if the GNSS signal is likely to be recovered quickly and there are no mechanisms to estimate position when GNSS is unavailable.
+
+Use Automatic (default) when:
+
+- Flying in open sky with reliable GNSS throughout the mission.
+- You want the EKF to reset to GNSS when it becomes available again.
+- Operating in environments where GNSS is either good or completely unavailable (binary state).
+
+### Dead-Reckoning Mode
+
+In dead-reckoning mode, EKF2 stops fusing GNSS data when it becomes unreliable and prevents EKF2 resets — provided there are other sources of position or velocity data that can be fused.
+This ensures that the vehicle can continue flying missions and other position controlled modes when GNSS is lost.
+
+When GNSS is recovered it will be fused with other measurements when tests indicate it can be trusted.
+This may cause jerky movements in position controlled modes if the estimate has drifted.
+This mode relies on having additional position or velocity sensors and must also have a reliable GNSS signal at boot.
+
+Use Dead-Reckoning when:
+
+- **Transitioning between GNSS and non-GNSS environments** (flying into buildings, under bridges, through tree cover).
+- You have **redundant sensors** (optical flow, VIO, rangefinder, quality baro) that can maintain position estimation.
+- Flying **missions that cross GPS-denied areas** where you want continuous operation rather than failsafe.
+- **Urban environments** or other areas with intermittent GNSS quality.
+- You want to **avoid EKF resets and jumps** when GNSS recovers (smoother transitions).
+
+## Configuration
+
+To use dead-reckoning mode, the vehicle must have an alternative source of position or velocity information, such as an [Optical Flow](../sensor/optical_flow.md) sensor or [VIO](../computer_vision/visual_inertial_odometry.md) setup.
+
+To enable the mode:
+
+1. Set [EKF2_GPS_MODE](../advanced_config/parameter_reference.md#EKF2_GPS_MODE) to `1`.
+2. Ensure that GNSS arming checks are enabled (a reliable GNSS signal is required before arming):
+   - [COM_ARM_WO_GPS](../advanced_config/parameter_reference.md#COM_ARM_WO_GPS) - set to `0`
+   - [EKF2_GPS_CHECK](../advanced_config/parameter_reference.md#EKF2_GPS_CHECK) - set to default.
+
+## See Also
+
+- [GNSS Fault Detection](../advanced_config/tuning_the_ecl_ekf.md#gnss-fault-detection) in _Using PX4's Navigation Filter (EKF2)_
+- [Fuse, Reset, or Reject? Handling Various Data-sources in EKF2](https://www.youtube.com/watch?v=CMGQJNPiTJg) - _PX4 Developer Summit 2025_, Marco Hauswirth, Auterion AG

docs/en/advanced_config/index.md

@@ -10,6 +10,7 @@ This topic lists configuration topics that are not particularly vehicle specific
 ## Feature configuration
 
 - [Using PX4's Navigation Filter (EKF2)](../advanced_config/tuning_the_ecl_ekf.md)
+- [GNSS-Denied and Degraded Flight](../advanced_config/gnss_degraded_or_denied_flight.md)
 - [Flight Termination Configuration](../advanced_config/flight_termination.md)
 - [Land Detector Configuration](../advanced_config/land_detector.md)
 - [Prearm/Arm/Disarm Configuration](../advanced_config/prearm_arm_disarm.md)

docs/en/advanced_config/land_detector.md

@@ -38,7 +38,7 @@ In order to detect landing, the multicopter first has to go through three differ
 If a condition cannot be reached because of missing sensors, then the condition is true by default.
 For instance, in [Acro mode](../flight_modes_mc/acro.md) and no sensor is active except for the gyro sensor, then the detection solely relies on thrust output and time.
 
-In order to proceed to the next state, each condition has to be true for a third of the configured total land detector trigger time [LNDMC_TRIG_TIME](../advanced_config/parameter_reference.md#LNDMC_TRIG_TIME).
+In order to proceed to the next state, each condition has to be true for 300ms.
 If the vehicle is equipped with a distance sensor, but the distance to ground is currently not measurable (usually because it is too large), the trigger time is increased by a factor of 3.
 
 If one condition fails, the land detector drops out of the current state immediately.

docs/en/advanced_config/tuning_the_ecl_ekf.md

@@ -361,6 +361,10 @@ The mode is set using the [EKF2_GPS_MODE](../advanced_config/parameter_reference
   EKF2 may reset if no other sources of position or velocity are available.
   If GNSS altitude OR horizontal position data drifts, the system disables fusion of both measurements simultaneously (even if one would still pass validation) and avoids performing resets.
 
+::: tip
+See also [Fault Detection](https://youtu.be/CMGQJNPiTJg?si=sFtdf4AQbcOH8-u8) in "Fuse, Reset, or Reject? Handling Various Data-sources in EKF2" _PX4 Developer Summit 2025_, Marco Hauswirth, Auterion AG
+:::
+
 ##### Detection Logic
 
 Horizontal Position:
@@ -892,3 +896,4 @@ If no terrain estimate is available this parameter will have no effect and the s
 ## Further Information
 
 - [PX4 State Estimation Overview](https://youtu.be/HkYRJJoyBwQ), _PX4 Developer Summit 2019_, Dr. Paul Riseborough): Overview of the estimator, and major changes from 2018/19, and the expected improvements through 2019/20.
+- [Fuse, Reset, or Reject? Handling Various Data-sources in EKF2](https://www.youtube.com/watch?v=CMGQJNPiTJg) - _PX4 Developer Summit 2025_, Marco Hauswirth, Auterion AG

docs/en/companion_computer/ark_jetson_pab_carrier.md

@@ -12,19 +12,16 @@ The [ARK Jetson Pixhawk Autopilot Bus (PAB) Carrier](https://arkelectron.gitbook
 ## Specifications
 
 - **Power Requirements**
-
   - 5V
   - 4A minimum (dependent on usage and peripherals)
 
 - **Additional Features**
-
   - Pixhawk Autopilot Bus (PAB) Form Factor ([PAB Standard](https://github.com/pixhawk/Pixhawk-Standards/blob/master/DS-010%20Pixhawk%20Autopilot%20Bus%20Standard.pdf))
   - MicroSD Slot
   - USA-built, NDAA compliant
   - Integrated 1W heater for sensor stability in extreme conditions
 
 - **Physical Details**
-
   - Weight:
     - Without Jetson and Flight Controller – 80g
     - With Jetson, no heatsink or Flight Controller – 108g

docs/en/companion_computer/holybro_pixhawk_rpi_cm4_baseboard.md

@@ -18,7 +18,6 @@ The board follows the [Pixhawk Connector Standard](https://github.com/pixhawk/Pi
 - [Holybro Pixhawk RPi CM4 Baseboard](https://holybro.com/products/pixhawk-rpi-cm4-baseboard) (www.holybro.com)
 
   The baseboard can be purchased with or without an RPi CM4 and/or flight controller:
-
   - The Raspberry Pi CM4 (CM4008032) supplied by Holybro has the following specification:
     - RAM: 8GB
     - eMMC: 32GB
@@ -167,7 +166,6 @@ To enable this MAVLink instance on the FC:
    ![Image of baseboard showing FC USB-C connector](../../assets/companion_computer/holybro_pixhawk_rpi_cm4_baseboard/baseboard_fc_usb_c.jpg)
 
 1. [Set the parameters](../advanced_config/parameters.md):
-
    - `MAV_1_CONFIG` = `102`
    - `MAV_1_MODE = 2`
    - `SER_TEL2_BAUD` = `921600`
@@ -180,7 +178,6 @@ On the RPi side:
 
 1. Connect to the RPi (using WiFi, a router, or a WiFi Dongle).
 1. Enable the RPi serial port by running `RPi-config`
-
    - Go to `3 Interface Options`, then `I6 Serial Port`.
      Then choose:
      - `login shell accessible over serial → No`

docs/en/companion_computer/pixhawk_rpi.md

@@ -91,7 +91,7 @@ During PX4 setup and configuration the USB connection with your ground station l
 
 These instructions work on PX4 v1.14 and later.
 
-If you need to update the firmware then connect the Pixhawk to your laptop/desktop via the `USB` port and use QGroundControl to update the firmware as described [Firmware > Install Stable PX4](../config/firmware.md#install-stable-px4). 
+If you need to update the firmware then connect the Pixhawk to your laptop/desktop via the `USB` port and use QGroundControl to update the firmware as described [Firmware > Install Stable PX4](../config/firmware.md#install-stable-px4).
 If you want the latest developer version then update the firmware to the "main" as described in [Firmware > Installing PX4 Master, Beta or Custom Firmware](../config/firmware.md#installing-px4-main-beta-or-custom-firmware).
 
 ::: info
@@ -143,7 +143,6 @@ Enter the following commands (in sequence) a terminal to configure Ubuntu for RP
    ```
 
 1. Go to the **Interface Option** and then click **Serial Port**.
-
    - Select **No** to disable serial login shell.
    - Select **Yes** to enable the serial interface.
    - Click **Finish** and restart the RPi.
@@ -162,7 +161,6 @@ Enter the following commands (in sequence) a terminal to configure Ubuntu for RP
    ```
 
 1. Then save the file and restart the RPi.
-
    - In `nano` you can save the file using the following sequence of keyboard shortcuts: **ctrl+x**, **ctrl+y**, **Enter**.
 
 1. Check that the serial port is available.

docs/en/computer_vision/collision_prevention.md

@@ -60,7 +60,7 @@ Configure collision prevention by [setting the following parameters](../advanced
 | <a id="CP_DELAY"></a>[CP_DELAY](../advanced_config/parameter_reference.md#CP_DELAY)                | Set the sensor and velocity setpoint tracking delay. See [Delay Tuning](#delay_tuning) below.                                                                                                                                                                                                   |
 | <a id="CP_GUIDE_ANG"></a>[CP_GUIDE_ANG](../advanced_config/parameter_reference.md#CP_GUIDE_ANG)    | Set the angle (to both sides of the commanded direction) within which the vehicle may deviate if it finds fewer obstacles in that direction. See [Guidance Tuning](#angle_change_tuning) below.                                                                                                 |
 | <a id="CP_GO_NO_DATA"></a>[CP_GO_NO_DATA](../advanced_config/parameter_reference.md#CP_GO_NO_DATA) | Set to 1 to allow the vehicle to move in directions where there is no sensor coverage (default is 0/`False`).                                                                                                                                                                                   |
-| <a id="MPC_POS_MODE"></a>[MPC_POS_MODE](../advanced_config/parameter_reference.md#MPC_POS_MODE)    | Must be set to `Acceleration based`.                                                                                                                                                                                                                                                           |
+| <a id="MPC_POS_MODE"></a>[MPC_POS_MODE](../advanced_config/parameter_reference.md#MPC_POS_MODE)    | Must be set to `Acceleration based`.                                                                                                                                                                                                                                                            |
 
 ## Algorithm Description
 
@@ -213,7 +213,6 @@ The steps are:
 
 3. Open PlotJuggler and navigate to the **Tools > Reactive Script Editor** section.
    In the **Script Editor** tab, add following scripts in the appropriate sections:
-
    - **Global code, executed once:**
 
      ```lua

docs/en/concept/flight_tasks.md

@@ -32,7 +32,6 @@ The instructions below might be used to create a task named _MyTask_:
    - FlightTaskMyTask.hpp
    - FlightTaskMyTask.cpp
 3. Update **CMakeLists.txt** for the new task
-
    - Copy the contents of the **CMakeLists.txt** for another task - e.g. [Orbit/CMakeLists.txt](https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/flight_mode_manager/tasks/Orbit/CMakeLists.txt)
    - Update the copyright to the current year
 
@@ -135,7 +134,6 @@ The instructions below might be used to create a task named _MyTask_:
    Usually a parameter is used to select when a particular flight task should be used.
 
    For example, to enable our new `MyTask` in multicopter Position mode:
-
    - Update `MPC_POS_MODE` ([multicopter_position_mode_params.c](https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mc_pos_control/multicopter_position_mode_params.c)) to add an option for selecting "MyTask" if the parameter has a previously unused value like 5:
 
      ```c

docs/en/concept/sd_card_layout.md

@@ -14,7 +14,7 @@ The directory structure/layout is shown below.
 | `/etc/`                 | Extra config. See [System Startup > Replacing the System Startup][replace system start]. |
 | `/log/`                 | Full [flight logs](../dev_log/logging.md)                                                |
 | `/mission_log/`         | Reduced flight logs                                                                      |
-| `/fw/`                  | [DroneCAN](../dronecan/index.md) firmware                                               |
+| `/fw/`                  | [DroneCAN](../dronecan/index.md) firmware                                                |
 | `/uavcan.db/`           | DroneCAN DNA server DB + logs                                                            |
 | `/params`               | Parameters (if not in FRAM/FLASH)                                                        |
 | `/dataman`              | Mission storage file                                                                     |

docs/en/config/_autotune.md

@@ -82,14 +82,9 @@ The test steps are:
    If an [Enable/Disable Autotune Switch](#enable-disable-autotune-switch) is configured you can just toggle the switch to the "enabled" position.
 
    </div></div>
-
    1. In QGroundControl, open the menu **Vehicle setup > PID Tuning**:
 
-      ![Tuning Setup > Autotune Enabled](../../assets/qgc/setup/autotune/autotune.png)
-
-   2. Select either the _Rate Controller_ or _Attitude Controller_ tabs.
-   3. Ensure that the **Autotune enabled** button is enabled (this will display the **Autotune** button and remove the manual tuning selectors).
-   4. Read the warning popup and click on **OK** to start tuning.
+   ![Tuning Setup > Autotune Enabled](../../assets/qgc/setup/autotune/autotune.png) 2. Select either the _Rate Controller_ or _Attitude Controller_ tabs. 3. Ensure that the **Autotune enabled** button is enabled (this will display the **Autotune** button and remove the manual tuning selectors). 4. Read the warning popup and click on **OK** to start tuning.
 
 <div style="display: inline;" v-if="$frontmatter.frame === 'Multicopter'">
 
@@ -197,11 +192,8 @@ By default, the autotune maneuvers ensure that a sufficient angular rate is reac
 
 If the signal-to-noise ratio of the vehicle is low, the system identification algorithm might have issues finding the correct coefficients. Ensure that there is no excessive noise and/or platform vibration.
 
-
-
 </div>
 
-
 ### The drone oscillates after auto-tuning
 
 Due to effects not included in the mathematical model such as delays, saturation, slew-rate, airframe flexibility, the loop gain can be too high.

docs/en/config/flight_mode.md

@@ -4,15 +4,15 @@ This topic explains how to map [flight modes](../getting_started/px4_basic_conce
 
 :::tip
 In order to set up flight modes you must already have:
+
 - [Configured your radio](../config/radio.md)
 - [Setup your transmitter](#rc-transmitter-setup) to encode the physical positions of your mode switch(es) into a single channel.
-  We provide examples for the popular *Taranis* transmitter [below](#taranis-setup-3-way-switch-configuration-for-single-channel-mode) (check your documentation if you use a different transmitter).
-:::
-
+  We provide examples for the popular _Taranis_ transmitter [below](#taranis-setup-3-way-switch-configuration-for-single-channel-mode) (check your documentation if you use a different transmitter).
+  :::
 
 ## What Flight Modes and Switches Should I Set?
 
-Flight Modes provide different types of *autopilot-assisted flight*, and *fully autonomous flight*.
+Flight Modes provide different types of _autopilot-assisted flight_, and _fully autonomous flight_.
 You can set any (or none) of the flight modes [available to your vehicle](../flight_modes/index.md#flight-modes).
 
 Most users should set the following modes and functions, as these make the vehicle easier and safer to fly:
@@ -33,26 +33,25 @@ You can also separately specify channels for mapping a kill switch, return to la
 
 To configure single-channel flight mode selection:
 
-1. Start *QGroundControl* and connect the vehicle.
+1. Start _QGroundControl_ and connect the vehicle.
 1. Turn on your RC transmitter.
 1. Select **"Q" icon > Vehicle Setup > Flight Modes** (sidebar) to open _Flight Modes Setup_.
 
    ![Flight modes single-channel](../../assets/qgc/setup/flight_modes/flight_modes_single_channel.jpg)
 
-1. Specify *Flight Mode Settings*:
-   * Select the **Mode channel** (above this shown as Channel 5, but this will depend on your transmitter configuration).
-   * Move the transmitter switch (or switches) that you have set up for mode selection through the available positions.
-     The mode slot matching your current switch position will be highlighted (above this is *Flight Mode 1*).
+1. Specify _Flight Mode Settings_:
+   - Select the **Mode channel** (above this shown as Channel 5, but this will depend on your transmitter configuration).
+   - Move the transmitter switch (or switches) that you have set up for mode selection through the available positions.
+     The mode slot matching your current switch position will be highlighted (above this is _Flight Mode 1_).
      ::: info
      While you can set flight modes in any of the 6 slots, only the channels that are mapped to switch positions will be highlighted/used.
      :::
-   * Select the flight mode that you want triggered for each switch position.
-1. Specify *Switch Settings*:
-   * Select the channels that you want to map to specific actions - e.g.: *Return* mode, *Kill switch*, *offboard* mode, etc. (if you have spare switches and channels on your transmitter).
-   
+   - Select the flight mode that you want triggered for each switch position.
+1. Specify _Switch Settings_:
+   - Select the channels that you want to map to specific actions - e.g.: _Return_ mode, _Kill switch_, _offboard_ mode, etc. (if you have spare switches and channels on your transmitter).
 1. Test that the modes are mapped to the right transmitter switches:
-   * Check the *Channel Monitor* to confirm that the expected channel is changed by each switch.
-   * Select each mode switch on your transmitter in turn, and check that the desired flight mode is activated (the text turns yellow on *QGroundControl* for the active mode).
+   - Check the _Channel Monitor_ to confirm that the expected channel is changed by each switch.
+   - Select each mode switch on your transmitter in turn, and check that the desired flight mode is activated (the text turns yellow on _QGroundControl_ for the active mode).
 
 All values are automatically saved as they are changed.
 
@@ -61,7 +60,6 @@ All values are automatically saved as they are changed.
 This section contains a small number of possible setup configurations for taranis.
 QGroundControl _may_ have [setup information for other transmitters here](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/setup_view/flight_modes.html#transmitter-setup).
 
-
 <a id="taranis_setup"></a>
 
 ### Taranis Setup: 3-way Switch Configuration for Single-Channel Mode
@@ -70,7 +68,7 @@ If you only need to support selecting between two or three modes then you can ma
 Below we show how to map the Taranis 3-way "SD" switch to channel 5.
 
 ::: info
-This example shows how to set up the popular *FrSky Taranis* transmitter.
+This example shows how to set up the popular _FrSky Taranis_ transmitter.
 Transmitter setup will be different on other transmitters.
 :::
 
@@ -78,15 +76,14 @@ Open the Taranis UI **MIXER** page and scroll down to **CH5**, as shown below:
 
 ![Taranis - Map channel to switch](../../assets/qgc/setup/flight_modes/single_channel_mode_selection_1.png)
 
-Press **ENT(ER)** to edit the **CH5** configuration then change the **Source** to be the *SD* button.
+Press **ENT(ER)** to edit the **CH5** configuration then change the **Source** to be the _SD_ button.
 
 ![Taranis - Configure channel](../../assets/qgc/setup/flight_modes/single_channel_mode_selection_2.png)
 
 That's it!
 Channel 5 will now output 3 different PWM values for the three different **SD** switch positions.
 
-The *QGroundControl* configuration is then as described in the previous section.
-
+The _QGroundControl_ configuration is then as described in the previous section.
 
 ### Taranis Setup: Multi-Switch Configuration for Single-Channel Mode
 
@@ -96,19 +93,18 @@ Commonly this is done by encoding the positions of a 2- and a 3-position switch
 On the FrSky Taranis this process involves assigning a "logical switch" to each combination of positions of the two real switches.
 Each logical switch is then assigned to a different PWM value on the same channel.
 
-The video below shows how this is done with the *FrSky Taranis* transmitter.
+The video below shows how this is done with the _FrSky Taranis_ transmitter.
 
 <!-- [youtube](https://youtu.be/scqO7vbH2jo) Video has gone private and is no longer available -->
 <!-- @[youtube](https://youtu.be/BNzeVGD8IZI?t=427) - video showing how to set the QGC side - at about 7mins and 3 secs -->
 
 <lite-youtube videoid="TFEjEQZqdVA" title="Taranis Mode Switches"/>
 
-The *QGroundControl* configuration is then [as described above](#flight-mode-selection).
-
+The _QGroundControl_ configuration is then [as described above](#flight-mode-selection).
 
 ## Further Information
 
-* [Flight Modes Overview](../flight_modes/index.md)
-* [QGroundControl > Flight Modes](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/setup_view/flight_modes.html#px4-pro-flight-mode-setup)
-* [PX4 Setup Video - @6m53s](https://youtu.be/91VGmdSlbo4?t=6m53s) (Youtube)
-* [Radio switch parameters](../advanced_config/parameter_reference.md#radio-switches) - Can be used to set mappings via parameters
+- [Flight Modes Overview](../flight_modes/index.md)
+- [QGroundControl > Flight Modes](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/setup_view/flight_modes.html#px4-pro-flight-mode-setup)
+- [PX4 Setup Video - @6m53s](https://youtu.be/91VGmdSlbo4?t=6m53s) (Youtube)
+- [Radio switch parameters](../advanced_config/parameter_reference.md#radio-switches) - Can be used to set mappings via parameters

docs/en/config/level_horizon_calibration.md

@@ -18,7 +18,6 @@ To level the horizon:
    You should already have set the [Autopilot Orientation](../config/flight_controller_orientation.md). If not, you can also set it here.
    :::
 1. Place the vehicle in its level flight orientation on a level surface:
-
    - For planes this is the position during level flight (planes tend to have their wings slightly pitched up!)
    - For copters this is the hover position.
 

docs/en/config/safety.md

@@ -128,10 +128,10 @@ Additional (and underlying) parameter settings are shown below.
 
 | Parameter                                                                                             | Setting                     | Description                                                                                                                                                                                                                                                                                                                                                                                              |
 | ----------------------------------------------------------------------------------------------------- | --------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| <a id="COM_RC_LOSS_T"></a>[COM_RC_LOSS_T](../advanced_config/parameter_reference.md#COM_RC_LOSS_T)    | Manual Control Loss Timeout | Time after last setpoint received from the selected manual control source after which manual control is considered lost. This must be kept short because the vehicle will continue to fly using the last known stick position until the timeout triggers.                                                                                                                                              |
+| <a id="COM_RC_LOSS_T"></a>[COM_RC_LOSS_T](../advanced_config/parameter_reference.md#COM_RC_LOSS_T)    | Manual Control Loss Timeout | Time after last setpoint received from the selected manual control source after which manual control is considered lost. This must be kept short because the vehicle will continue to fly using the last known stick position until the timeout triggers.                                                                                                                                                |
 | <a id="COM_FAIL_ACT_T"></a>[COM_FAIL_ACT_T](../advanced_config/parameter_reference.md#COM_FAIL_ACT_T) | Failsafe Reaction Delay     | Delay in seconds between failsafe condition being triggered (`COM_RC_LOSS_T`) and failsafe action (RTL, Land, Hold). In this state the vehicle waits in hold mode for the manual control source to reconnect. This might be set longer for long-range flights so that intermittent connection loss doesn't immediately invoke the failsafe. It can be to zero so that the failsafe triggers immediately. |
 | <a id="NAV_RCL_ACT"></a>[NAV_RCL_ACT](../advanced_config/parameter_reference.md#NAV_RCL_ACT)          | Failsafe Action             | Disabled, Loiter, Return, Land, Disarm, Terminate.                                                                                                                                                                                                                                                                                                                                                       |
-| <a id="COM_RCL_EXCEPT"></a>[COM_RCL_EXCEPT](../advanced_config/parameter_reference.md#COM_RCL_EXCEPT) | RC Loss Exceptions          | Set modes in which manual control loss is ignored.                                                                                                                                                                                                                                                                                                                        |
+| <a id="COM_RCL_EXCEPT"></a>[COM_RCL_EXCEPT](../advanced_config/parameter_reference.md#COM_RCL_EXCEPT) | RC Loss Exceptions          | Set modes in which manual control loss is ignored.                                                                                                                                                                                                                                                                                                                                                       |
 
 ## Data Link Loss Failsafe
 
@@ -142,11 +142,11 @@ Users that want to disable this failsafe in specific modes can do so using the p
 
 The settings and underlying parameters are shown below.
 
-| Setting                | Parameter                                                                | Description                                                                       |
-| ---------------------- | ------------------------------------------------------------------------ | --------------------------------------------------------------------------------- |
-| Data Link Loss Timeout | [COM_DL_LOSS_T](../advanced_config/parameter_reference.md#COM_DL_LOSS_T) | Amount of time after losing the data connection before the failsafe will trigger. |
-| Failsafe Action        | [NAV_DLL_ACT](../advanced_config/parameter_reference.md#NAV_DLL_ACT)     | Disabled, Hold mode, Return mode, Land mode, Disarm, Terminate.                   |
-| <a id="COM_DLL_EXCEPT"></a>Mode exceptions for DLL failsafe | [COM_DLL_EXCEPT](../advanced_config/parameter_reference.md#COM_DLL_EXCEPT) | Set modes in which data link loss is ignored. |
+| Setting                                                     | Parameter                                                                  | Description                                                                       |
+| ----------------------------------------------------------- | -------------------------------------------------------------------------- | --------------------------------------------------------------------------------- |
+| Data Link Loss Timeout                                      | [COM_DL_LOSS_T](../advanced_config/parameter_reference.md#COM_DL_LOSS_T)   | Amount of time after losing the data connection before the failsafe will trigger. |
+| Failsafe Action                                             | [NAV_DLL_ACT](../advanced_config/parameter_reference.md#NAV_DLL_ACT)       | Disabled, Hold mode, Return mode, Land mode, Disarm, Terminate.                   |
+| <a id="COM_DLL_EXCEPT"></a>Mode exceptions for DLL failsafe | [COM_DLL_EXCEPT](../advanced_config/parameter_reference.md#COM_DLL_EXCEPT) | Set modes in which data link loss is ignored.                                     |
 
 ## Geofence Failsafe
 
@@ -181,17 +181,22 @@ The following settings also apply, but are not displayed in the QGC UI.
 | <a id="GF_PREDICT"></a>Preemptive geofence triggering              | [GF_PREDICT](../advanced_config/parameter_reference.md#GF_PREDICT)           | (Experimental) Trigger geofence if current motion of the vehicle is predicted to trigger the breach (rather than late triggering after the breach). |
 | <a id="CBRK_FLIGHTTERM"></a>Circuit breaker for flight termination | [CBRK_FLIGHTTERM](../advanced_config/parameter_reference.md#CBRK_FLIGHTTERM) | Enables/Disables flight termination action (disabled by default).                                                                                   |
 
-## Position (GNSS) Loss Failsafe
+## Position Estimation Failsafes
+
+This section describes failsafes related to the quality of the vehicle's position estimate.
+
+### Position Loss Failsafe
 
 The _Position Loss Failsafe_ is triggered if the quality of the PX4 position estimate falls below acceptable levels (this might be caused by GPS loss) while in a mode that requires an acceptable position estimate.
-The sections below cover first the trigger and then the failsafe action taken by the controller.
 
 ### Position Loss Failsafe Trigger
 
-There are basically two mechanisms in PX4 to trigger position failsafes:
+The position loss failsafe triggers if the position estimate becomes _invalid_. There are two mechanisms in PX4 to invalidate the position estimate:
 
-- A timeout since the last sensor data was fused that provides direct speed or horizontal position measurements. Sensors that fall into that category are: GNSS, optical flow, airspeed, VIO, auxiliary global position.
-- The estimated horizontal position accuracy exceeds a certain threshold. This check is only done on hovering systems (rotary wing vehicles or VTOLs in hover phase).
+- A timeout since the last sensor data was fused that provides direct speed or horizontal position measurements.
+  - Sensors that fall into that category are: GNSS, optical flow, airspeed, VIO, auxiliary global position.
+- The estimated horizontal position inaccuracy exceeds the threshold [COM_POS_LOW_EPH](../advanced_config/parameter_reference.md#COM_POS_LOW_EPH)
+  - This check is only done on hovering systems (rotary-wing vehicles or VTOLs in hover phase). For fixed-wing vehicles, refer to the [Position Accuracy Low](#position-accuracy-low-failsafe) section.
 
 The relevant parameters shown below.
 
@@ -207,14 +212,24 @@ Multicopters will switch to [Altitude mode](../flight_modes_mc/altitude.md) if a
 Fixed-wing planes, and VTOLs not configured to land in hover ([NAV_FORCE_VT](../advanced_config/parameter_reference.md#NAV_FORCE_VT)), have a parameter ([FW_GPSF_LT](../advanced_config/parameter_reference.md#FW_GPSF_LT)) that defines how long they will loiter (circle with a constant roll angle ([FW_GPSF_R](../advanced_config/parameter_reference.md#FW_GPSF_R)) at the current altitude) after losing position before attempting to land.
 If VTOLs have are configured to switch to hover for landing ([NAV_FORCE_VT](../advanced_config/parameter_reference.md#NAV_FORCE_VT)) then they will first transition and then descend.
 
-The relevant parameters for all vehicles shown below.
+The relevant parameters are:
 
-Parameters that only affect Fixed-wing vehicles:
+| Parameter                                                                                       | Description                                                                                                                                  |
+| ----------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
+| <a id="FW_GPSF_LT"></a>[FW_GPSF_LT](../advanced_config/parameter_reference.md#FW_GPSF_LT)       | Fixed-wing only: Loiter time (waiting at current altitude for position estimation recovery before starting to descend). Set to 0 to disable. |
+| <a id="FW_GPSF_R"></a>[FW_GPSF_R](../advanced_config/parameter_reference.md#FW_GPSF_R)          | Fixed roll/bank angle while circling.                                                                                                        |
+| <a id="NAV_FORCE_VT"></a>[NAV_FORCE_VT](../advanced_config/parameter_reference.md#NAV_FORCE_VT) | If true, force VTOL takeoff and landing, even in `Descend` failsafe.                                                                         |
 
-| Parameter                                                                                 | Description                                                                                                 |
-| ----------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
-| <a id="FW_GPSF_LT"></a>[FW_GPSF_LT](../advanced_config/parameter_reference.md#FW_GPSF_LT) | Loiter time (waiting for GPS recovery before it goes into land or flight termination). Set to 0 to disable. |
-| <a id="FW_GPSF_R"></a>[FW_GPSF_R](../advanced_config/parameter_reference.md#FW_GPSF_R)    | Fixed roll/bank angle while circling.                                                                       |
+### Position Accuracy Low Failsafe
+
+In Fixed-wing, the position estimate is never strictly invalidated as long as we have a horizontal aiding source, such as an airspeed sensor. In that case, a separate failsafe can be configured that triggers if the position estimate inacuraccy exceeds the threshold [COM_POS_LOW_EPH](../advanced_config/parameter_reference.md#COM_POS_LOW_EPH). The failsafe action is taken if the vehicle is in mission or hold mode, otherwise it is only a warning. The relevant parameters are:
+
+| Parameter                                                                                                | Description                                                                   |
+| -------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------- |
+| <a id="COM_POS_LOW_EPH"></a>[COM_POS_LOW_EPH](../advanced_config/parameter_reference.md#COM_POS_LOW_EPH) | Position inaccuracy threshold above which COM_POS_LOW_ACT is taken.           |
+| <a id="COM_POS_LOW_ACT"></a>[COM_POS_LOW_ACT](../advanced_config/parameter_reference.md#COM_POS_LOW_ACT) | Failsafe action taken when position inaccuracy is above configured threshold. |
+
+Note that if there is no horizontal aiding source anymore, the position estimate is invalidated after `EKF2_NOAID_TOUT`, and the standard position loss failsafe applies.
 
 ## Offboard Loss Failsafe
 

docs/en/config/safety_intro.md

@@ -13,7 +13,7 @@ These are covered in the following topics:
 - [Safe Points (Rally)](../flying/plan_safety_points.md)
 - [Prearm/Arm/Disarm Configuration](../advanced_config/prearm_arm_disarm.md)
 - [Flight Termination Configuration](../advanced_config/flight_termination.md)
-- [First Flight Guidelines](../flying/first_flight_guidelines.md) 
+- [First Flight Guidelines](../flying/first_flight_guidelines.md)
 
 ::: tip
 Note that the [First Flight Guidelines](../flying/first_flight_guidelines.md) are listed _last_.

docs/en/config_heli/index.md

@@ -42,14 +42,12 @@ To setup and configure a helicopter:
    ![Geometry: helicopter](../../assets/config/actuators/qgc_geometry_helicopter.png)
 
    The motors have no configurable geometry:
-
    - `Rotor (Motor 1)`: The main rotor
    - `Yaw tail motor (Motor 2)`: The tail rotor
 
    Swash plate servos: `3` | `4` <!-- 4 provides additional stability -->
 
    For each servo set:
-
    - `Angle`: Clockwise angle in degree on the swash plate circle at which the servo arm is attached starting from `0` pointing forwards.
      Example for a typical setup where three servos are controlling the swash plate equally distributed over the circle (360° / 3 =) 120° apart each which results in the angles:
 
@@ -65,7 +63,6 @@ To setup and configure a helicopter:
    - `Trim`: Offset individual servo positions. This is only needed in rare case when the swash plate is not level even though all servos are centered.
 
    Additional settings:
-
    - `Yaw compensation scale based on collective pitch`: How much yaw is feed forward compensated based on the current collective pitch.
    - `Main rotor turns counter-clockwise`: `Disabled` (clockwise rotation) | `Enabled`
    - `Throttle spoolup time`: Set value (in seconds) greater than the achievable minimum motor spool up time.
@@ -73,12 +70,10 @@ To setup and configure a helicopter:
 
 1. Remove the rotor blades and propellers
 1. Assign motors and servos to outputs and test (also in [Actuator configuration](../config/actuators.md)):
-
    1. Assign the [motors and servos to the outputs](../config/actuators.md#actuator-outputs).
    1. Power the vehicle with a battery and use the [actuator testing sliders](../config/actuators.md#actuator-testing) to validate correct servo and motor assignment and direction.
 
 1. Using an RC in [Acro mode](../flight_modes_mc/acro.md), verify the correct movement of the swash-plate. With most airframes you need to see the following:
-
    - Moving the roll stick to the right should tilt the swash-plate to the right.
    - Moving the pitch stick forward should tilt the swash-plate forward.
 
@@ -144,7 +139,6 @@ The rate controller should be tuned in [Acro mode](../flight_modes_mc/acro.md),
 
 3. Then enable the PID gains.
    Start off with following values:
-
    - [MC_ROLLRATE_P](../advanced_config/parameter_reference.md#MC_ROLLRATE_P), [MC_PITCHRATE_P](../advanced_config/parameter_reference.md#MC_PITCHRATE_P) a quarter of the value you found to work well as the corresponding feed forward value in the previous step. `P = FF / 4`
 
    ```sh

docs/en/config_mc/index.md

@@ -123,14 +123,12 @@ Tuning is the final step, carried out only after most other setup and configurat
   ::: info
   Automatic tuning works on frames that have reasonable authority and dynamics around all the body axes.
   It has primarily been tested on racing quads and X500, and is expected to be less effective on tricopters with a tiltable rotor.
-  
+
   Manual tuning using these guides are only needed if there is a problem with autotune:
-  
   - [MC PID Tuning (Manual/Basic)](../config_mc/pid_tuning_guide_multicopter_basic.md) — Manual tuning basic how to.
   - [MC PID Tuning Guide (Manual/Detailed)](../config_mc/pid_tuning_guide_multicopter.md) — Manual tuning with detailed explanation.
-  
-  :::
 
+  :::
 
 - [MC Filter/Control Latency Tuning](../config_mc/filter_tuning.md) — Trade off control latency and noise filtering.
 - [MC Setpoint Tuning (Trajectory Generator)](../config_mc/mc_trajectory_tuning.md)