Bugfix: object steps were incorrectly invalidated. #2102
Assign category to dont_support_bridges
Fix the Change Scale toolbar button
Bugfix: prevent the "bad drawable" error when showing the OpenGL canvas. #2015 #2099
Minor improvement, reuse context
Bugfix: wrong input validation in set_layer_height_ranges(). #2105
Put the Default Extruder option in a less confusing position
Merge pull request #26 from alexrj/master

Merge from main