2025.12.5

electroplix/Design-System2025.12.5Jun 28, 2026by blckmn

AI Summary

A maintenance release addressing UART and MSP communication issues to stabilize flight controller performance.

Key Highlights

Fixed UART overrun error (ORE) handling when RXNEIE is enabled.
Fixed MSP pending request cancellation to restore per-byte lastActivityMs.

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at 7348054f268f0058574719c134e9f149565bb8ea -->

## What's Changed
### Fixes
* [2025.12] fix(uart): clear ORE when RXNEIE is enabled in HAL uartIrqHandler (fixes #15317, #15306) by @tracycam in https://github.com/betaflight/betaflight/pull/15325
* [2025.12] fix(msp): cancel pendingRequest on '$' only, restoring per-byte lastActivityMs by @nerdCopter in https://github.com/betaflight/betaflight/pull/15324


**Full Changelog**: https://github.com/betaflight/betaflight/compare/2025.12.4...2025.12.5