- Add option to Options for live color chooser support (QgsColorDialog)
- Add ability to define whether QgsColorButton accepts live updates (default: true)
- Move QgsColorButton to single subclass of QPushButton
- Show different button types relative to whether button has text
- Add transparent checkerboard background for chosen colors with alpha < 255
- Fix triple-modal window issue for Mac (with regards to using native color dialog)
- Composer item frame now supports transparency
- Composer item background transparency support moved to color dialog
- Composer composition grid now supports transparency