- update to 23.03:
* Added new timeline menu option to move selection to a new
step.
* Place new pieces relative to the side of the piece under the
mouse.
* Scan submodels when dragging a new piece into the model.
* Added support for trackpad pan gesture.
* Slow down mouse wheel zoom when the shift key is down.
* Added option to print from the instructions dialog.
* Weight vertex normals based on the angle of each face.
* Customizable object colors.
* Removed commas from descriptions in csv files.
* Added --export-csv command line option.
* Almost unlimited control points in synthesized pieces
* Fixed menus in fullscreen mode on Windows.
* Fixed missing steps at the end of instructions.
* Fixed submodels not being added to instructions.
* Fixed gradient background tiles.
* Fixed POV render issues with synth parts.
* Don't show invalid submodels in properties parts list.