v1.16.2

Chainlit/chainlitv1.16.2Apr 22, 2026by github-actions[bot]

AI Summary

A maintenance release for PX4-Autopilot fixing critical EKF2 issues, including unbounded recursion and optical flow compatibility with range finders.

Key Highlights

  • Fix for unbounded recursion in EKF2
  • Optical flow compatibility fixes

Full Release Notes

## What's Changed
* [Backport 1.16] fix(ekf2): allow optical flow to start when range finder is height reference by @dakejahl in https://github.com/PX4/PX4-Autopilot/pull/26961
* fix(ekf2): break unbounded recursion [BACKPORT v1.16] by @julianoes in https://github.com/PX4/PX4-Autopilot/pull/27166

## Release Notes
* [Click here to view the full Release Notes](https://docs.px4.io/main/en/releases/1.16.html).
**Full Changelog**: https://github.com/PX4/PX4-Autopilot/compare/v1.16.1...v1.16.2