v1.16.2

alibaba/page-agentv1.16.2Apr 22, 2026by github-actions[bot]

AI Summary

This is a maintenance patch release focused on correcting critical Extended Kalman Filter (EKF2) errors to stabilize the flight controller software. It resolves issues related to optical flow initialization and unbounded recursion to ensure smoother autopilot performance.

Key Highlights

Fix EKF2 optical flow initialization when range finder is height reference
Fix unbounded recursion error in EKF2

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