- Support for Input Shaping in the Special Configuration repository
- Add MPC as default for precompiled version if program memory space allows it
- TMC Trinamic driver current editor menu when it is supported (not for standalone)
- Menu item for enable/disable Adaptive Step Smoothing when it is supported
- Reset Print stats confirmation
- Show message when is not possible to park head on pause
- Preheat hotend menu for Prepare/Filament management menu
- Mesh Leveling progress viewer
- Added PETG Preheat in precompiled versions (Current source supports 10 material preheats)
- And many improvements and fixes
From Marlin 2.1.2
- More SCURVE cycles on unoptimized cortex-m0 (#24955)
- Fix G-code resend race condition
- G30 move to logical XY (#24953)
- and many more fixes from latest bugfix 2.1.x