SUMMARY As above. Two windows can mean two open documents windows (e.g. libre office), or a window with a dialog window open (as kontact with settings dialog opened) STEPS TO REPRODUCE 1. Open kontact 2. Open settings 3. switch to another running program and try to switch back to kontact by clicking on its icon in task manager OBSERVED RESULT Nothing happens EXPECTED RESULT It should switch back to kontact, or, if you have e.g. two libreoffice documents open, switch to the last one activated. Operating System: KDE neon 5.21 KDE Plasma Version: 5.21.5 KDE Frameworks Version: 5.82.0 Qt Version: 5.15.3 Kernel Version: 5.4.0-74-generic OS Type: 64-bit Graphics Platform: Wayland Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz Memory: 7.6 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 620
This issue should already be fixed in 5.22.