Release 3.4.0 beta 7

This beta release brings bug fixes, a major overhaul of the way unexpected events (e.g. heater faults, filament errors and driver errors) are handled, and some minor feature improvements. We hope it will be the last release before 3.4.0-RC1.

Please read the release notes at https://github.com/Duet3D/RepRapFirmware/wiki/Changelog-RRF-3.x-Beta-&-RC#reprapfirmware-340beta7 before installing, to see what changes you may need to make to your configuration and system macro files.

Users of Duet with Single Board Computer, please upgrade via the unstable feed on the Duet3D package server. Users of Duet in standalone mode, use the files here,