GNOME Bugzilla – Bug 158570
change diagram background colour should be undoable
Last modified: 2010-08-22 19:40:05 UTC
change diagram background colour should probably be undoable that is if you choose Diagram Properties and change the background colour for the current diagram it should be included in the undo history.
I agree, confirming with 0.94.
Finally: http://git.gnome.org/browse/dia/commit/?id=ab126c00ba596e187ce038c926d6e35c9af4cbd4