I don't need any fancy tiling window managers. One fullscreen window per desktop, and 12 virtual desktops, that was my workflow for 10 years.
Then I incorporated KDE activities into my workflow, which are exactly like virtual desktops but switched with Meta-Tab not with Ctrl-F1 - Ctrl-F12. Wonderful!
And then, Plasma devs broke it. Switching activities now puts my foreground fullscreen window (one per desktop) into background, and switches keyboard focus to the desktop. Give me back my keyboard shortcuts, and you could also rename Plasma back to KDE while you're at it, thank you very much.
At least there is a
bug opened, but it's doubtful that Plasma devs will fix it before Debian 13 release. I can't even find motivation to update my OS anymore.