1.2

• Added undo/redo functionality thanks to Nathan Whitehead.
• Added opacity-set functionality thanks to Lukas Hermann.
• Added a tray icon.
• Added an About and a Help dialog.
• Added CMake build system support thanks to Russel Winder.
• Replaced GTK3 deprecated functions with newer counterparts.

1.1

• Added reasonably complete support for slave devices thanks to Monty Montgomery.
• Tweaked build system, packaging, icon thanks to Barak A. Pearlmutter.
• Fixed some crashes.

1.0

• Concurrent multi-user operation using GTK3 with Multi-Pointer-X.
• Drawn annotations do not intercept mouse clicks.
• Makes use of the Composite extension where available to allow for
  really fast drawing.