bugfix-2.1.x
🔨🐛 Don't use broken 'board = fysetc_f6_13' (#28159)
🔨 Comments for newer compilers
🔨 Single precision float
✨ Temp Sensor -18 ADS1118 Thermocouple (#28176)
🔨 Update HC32 environments (#28286)
📌 Update, pin LPC PIO framework (#27554)
🧑💻 Fix native unit test (2) (#28492)
⚡️ RP2040 HAL Improvements (#28215)
✨Mellow Fly E3 Pro V3 (STM32F407VG) (#26214)
📝 Update HAL documentation, README
📌 Versions for adafruit "SdFat", "Adafruit SPIFlash"
✅ Move stm_flash_drive STM32 platform
🩹 Fix FLY D5 / D7 serial for TMC2208
🧑💻 Migrate to python3 (#28337)
✨ AtomStack FB5 V2 board (#28242)
⬆️ Assert newer GCC in PIO via atmelavr@~3.4 (#23432)
✨ BigTreeTech SKRat V1.0 (STM32G0B1VE) (#27361)
✅ Move BIQU BX STM32 platform
🔧 Separate Teensy 4.0 / 4.1 (#28122)