- the app menu does not update after a style/theme change without restart.
- the animation of shade puts ImageMagick in a weird state
- during startup, transient windows should be miniaturized with their owners
  not in their own icons
- in focus follow mouse mode with autoraise, it is possible to
  put window raising in a endless loop. The loop can be broken by moving
  the pointer, though.
- shaped windows don't resize very well
- ASCII ppm support does not work
- if a leader is created after the other windows, the appicon will not
be dockable
