GNOME Bugzilla – Bug 524340
preference window resizes itself after being shown
Last modified: 2008-04-23 01:07:14 UTC
http://developer.gnome.org/projects/gup/hig/draft_hig_new/windows.html "Always show a window as soon as possible, but make sure your window is the correct size before displaying it. Resizing a window after it is visible is disorienting and gives an unpolished look to your application."
*** This bug has been marked as a duplicate of 512035 ***