This release brings major new features compared to the 3.4.x release series including:
- Support for multiple motion systems (Duet 3 only)
- Greater flexibility in M291 dialogs with the user
- Support for array variables
- Input shaping for axes driven by CAN-connected expansion boards
- Keepout zones (Duet 3 only)
- WPA-Enterprise support on WiFi-equipped boards
There are also many minor new features, feature improvements, and bug fixes. See https://github.com/Duet3D/RepRapFirmware/wiki/Changelog-RRF-3.x#reprapfirmware-351-stable-changes-since-346 for the important upgrade notes and the full change log.
Users of Duet with attached Single Board Computer should upgrade from the package server as usual. Users running in standalone mode, use the files here.