SUMMARY STEPS TO REPRODUCE 1. Add a window rule for "window class match" with substring match for konsole 2. Add "No titlebar and frame" set to "Yes" to Appearance & Fixes 3. Set it to "force" 4. "Apply" OBSERVED RESULT - already open konsole windows lose their titlebar - new konsole windows still open up with titlebar EXPECTED RESULT - new konsole windows should open up without titlebar SOFTWARE/OS VERSIONS Linux/KDE Plasma: Fedora 34 KDE Plasma Version: 5.21.5 Qt Version: 5.15.2 ADDITIONAL INFORMATION I've tried "apply initially", "force", "remember", but try as I might I can't get new konsoles to open up without titlebar. Adding a set active opacitity 50% for example along with the "no titlebar" rule _does work_, so the rule clearly gets activated, but evens so every new window comes with title bar. I tried same thing for firefox and same thing, oapcitiy worked but titlebar was there.
Not sure if related, but also the firefox mic and cam poplet that pops up when in a meeting now has borders, too, and naturally that used to be borderless.
This seems to be related to the plasma-workspace-wayland, since after I switched back to x11-plasma this works as expected and the same goes for the firefox popup. I'm not easily switching back to waylad plasma, since xcape won't work there. I know there are evdev alternatives, but it'll take before I have the actual time to make the switch to those.
So the specific rule "No titlebar and frame" doesn't work on new windows when using Wayland, but it works as usual on X11. Did I understand right? If so, I think this is duplicate of https://bugs.kde.org/show_bug.cgi?id=429171
*** This bug has been marked as a duplicate of bug 429171 ***