- delete command did not delete selected labels
- show release version in about dialog
- persist application window size
- applying style is now undoable
- added 'Apply Style to Diagram' keyboard shortcut.
- created tutorial video Styling Diagrams
- added videos and further diagrams to resource section of help dialog
- action search is now case-insensitive
- load and save dialog now share common parent folder
- property changes to diagram features such as clone marker did not propagate correctly.