# PX4-Autopilot Main Release Notes

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This contains changes to PX4 `main` branch since the last major release ([PX v1.16](../releases/1.16.md)).

:::warning
PX4 v1.16 is in candidate-release testing, pending release.
Update these notes with features that are going to be in `main` but not the PX4 v1.16 release.
:::

## Read Before Upgrading

TBD …

Please continue reading for [upgrade instructions](#upgrade-guide).

## Major Changes

- TBD

## Upgrade Guide

## Other changes

### Hardware Support

- TBD

### Common

- TBD

### Control

- TBD

### Estimation

- TBD

### 传感器

- TBD

### 仿真

- TBD

### Ethernet

- TBD

### uXRCE-DDS / ROS2

- [PX4 ROS 2 Interface Library](../ros2/px4_ros2_control_interface.md) support for [Fixed Wing lateral/longitudinal setpoint](../ros2/px4_ros2_control_interface.md#fixed-wing-lateral-and-longitudinal-setpoint-fwlaterallongitudinalsetpointtype) (`FwLateralLongitudinalSetpointType`) and [VTOL transitions](../ros2/px4_ros2_control_interface.md#controlling-a-vtol). ([PX4-Autopilot#24056](https://github.com/PX4/PX4-Autopilot/pull/24056)).

### MAVLink

- TBD

### Multi-Rotor

- TBD

### 垂直起降

- TBD

### Fixed-wing

- TBD

### 无人车

- TBD

### ROS 2

- TBD