2025.12.5

yukangcao/DreamAvatar2025.12.5Jun 28, 2026by blckmn

AI Summary

A maintenance release addressing UART (Universal Asynchronous Receiver-Transmitter) overrun errors when interrupts are enabled and refining MSP request handling.

Key Highlights

  • Fix UART ORE (Overrun Error) when RXNEIE is enabled
  • Refine MSP pending request cancellation logic

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