2025.12.4

VoiceBlender/voiceblender2025.12.4Jun 2, 2026by blckmn

AI Summary

This release focuses on backported fixes for Betaflight firmware, addressing race conditions in CLI MSP operations, config validation issues, and UART pinless modes.

Key Highlights

Backported CLI MSP race-condition fix
Fixed failsafe_procedure config clamping
Guarded half-duplex pinless UART modes

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at 2025.12-maintenance -->

## What's Changed
### Fixes
* [2025.12] Backport CLI MSP race-condition fix (#15193) by @blckmn in https://github.com/betaflight/betaflight/pull/15201
* [backport] fix(config): unconditionally clamp failsafe_procedure to valid range by @nerdCopter in https://github.com/betaflight/betaflight/pull/15191
* [backport] fix(uart): guard half-duplex pinless UART modes (#15218) by @haslinghuis in https://github.com/betaflight/betaflight/pull/15258


**Full Changelog**: https://github.com/betaflight/betaflight/compare/2025.12.2...2025.12.4