Major 1.2.1 upgrade problems

From 1.1.1 the advice is to Flash; see FAQ guides from 1F. Onefinity CNC Firmware 1.2.1 (2/8/23) (X-35/X-50 machines w/ Buildbotics Controller) (Most Recent)?

Dimension Issues: you may need to reconfigure the controller to your specific CNC (travel per rev, soft limits etc)