<!-- Release notes generated using configuration in .github/release.yml at 4.5-maintenance --> ## What's Changed ### Fixes * [4.5.3] Fix AT32F435 I2C GPIO MUX by @ot0tot (#14778) * [4.5.3] Revert gps flight model by @haslinghuis in https://github.com/betaflight/betaflight/pull/14334 * [4.5.3] Fix osd esc alarm by @haslinghuis in https://github.com/betaflight/betaflight/pull/14394 ### Targets * [4.5.3] Maint at32 spi3 mosi (add PB0 pin) by @haslinghuis in https://github.com/betaflight/betaflight/pull/14331 **Full Changelog**: https://github.com/betaflight/betaflight/compare/4.5.2...4.5.3