SUMMARY Changing to an other global theme, with other systemcolors, does not effect applications such as Thunderbird and Firefox. This only affects them after a reboot. But changing just the system colors from the "color" module of the kde systemsettings does so immediately. STEPS TO REPRODUCE 1. Change to other global theme with global theme module of systemsettings 2. Start various applications 3. Thunderbird and Firefox will not have adapted to the newly chosen colorscheme OBSERVED RESULT Gtk applications stick to the previous system colors EXPECTED RESULT Gtk applications follow the colors of the global theme Operating System: KDE neon 5.20 KDE Plasma Version: 5.20.3 KDE Frameworks Version: 5.75.0 Qt Version: 5.15.1 Kernel Version: 5.9.0-050900-generic OS Type: 64-bit Processors: 4 × Intel® Celeron® J4105 CPU @ 1.50GHz Memory: 7.4 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics 600 ADDITIONAL INFORMATION
*** This bug has been marked as a duplicate of bug 421745 ***