4.5.4

VoiceBlender/voiceblender4.5.4May 31, 2026by blckmn

AI Summary

This is a maintenance release that backports critical bug fixes to the Betaflight firmware, specifically targeting CLI MSP race conditions and configuration validation for failsafe procedures.

Key Highlights

Backport of CLI MSP race-condition fix.
Fix for config to unconditionally clamp failsafe_procedure to a valid range.

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at 4.5-maintenance -->

## What's Changed
### Fixes
* [4.5.4] Backport CLI MSP race-condition fix (#15193) by @blckmn in https://github.com/betaflight/betaflight/pull/15200
* [backport] fix(config): unconditionally clamp failsafe_procedure to valid range by @nerdCopter in https://github.com/betaflight/betaflight/pull/15190


**Full Changelog**: https://github.com/betaflight/betaflight/compare/4.5.3...4.5.4