In 4.x, the WM_CLASS window property was WM_CLASS(STRING) = "Navigator", "Netscape" Now it is: WM_CLASS(STRING) = "mozilla-bin", "Mozilla-bin" I think it should be the same as before, so that users' window manager configurations continue to match Mozilla windows the way they used to match Netscape windows. (Though I can see the argument for using "Mozilla" instead of "Netscape".) However, you should *definitely* put the type of window in the first string instead of having them all be the same: for example, "Navigator", "Mozilla" "Communicator", "Mozilla" "Bookmarks", "Mozilla" 4.x and earlier did this: WM_CLASS(STRING) = "bookmarks", "Netscape" In any event, every time I look down at my task list and see the entry for "Mozilla-bin" it makes me shake my head and sigh.

duplicate of bug 29856?

> duplicate of bug 29856? Yes, I think so.

*** This bug has been marked as a duplicate of 29856 ***