Currently the way for me to toggle mirror displays is to go to settings->display configuration, and drag one screen on top of the other. I am not aware of other ways to toggle mirror displays from system settings. The other way to toggle this is to use the display configuration from the notification area, and select "mirror displays". Ideally this option should be available from display configuration in system settings. Operating System: Arch Linux KDE Plasma Version: 6.0.80 KDE Frameworks Version: 5.249.0 Qt Version: 6.7.0 Kernel Version: 6.7.0-arch3-1 (64-bit) Graphics Platform: Wayland Processors: 20 × 13th Gen Intel® Core™ i9-13900H Memory: 15.2 GiB of RAM Graphics Processor: Mesa Intel® Graphics Manufacturer: ASUSTeK COMPUTER INC. Product Name: ROG Zephyrus G16 GU603VV_GU603VV System Version: 1.0
*** This bug has been marked as a duplicate of bug 460433 ***