All KDE software built from today's git master on top of openSUSE Tumbleweed Playing any full-screen video in Firefox results in my Plasma Panel appearing over the top of the video, rather than underneath it as expected. Reproducible with any video on any website I try.
similar to bug 413105
Fixed for me now, probably fixed by the same thing that fixed Bug 413105. Marking as a dupe. *** This bug has been marked as a duplicate of bug 413105 ***