STEPS TO REPRODUCE 1. Go to systemsettings - Accessiblity - Color Blindness Correction. 2. Check "Enable". Select "Grayscale mode". Click "Apply". 3. Click "Defaults". Click "Apply". Now the effect is disabled. 4. Check "Enable". Click "Apply". OBSERVED RESULT The dropdown shows "Red & purple", but the actual effect is "Grayscale". EXPECTED RESULT The actual effect is "Red & purple". SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 6.5.80 KDE Frameworks Version: 6.22.0 Qt Version: 6.10.1 Kernel Version: 6.18.1-arch1-2 (64-bit) Graphics Platform: Wayland Processors: 12 × AMD Ryzen 5 5600H with Radeon Graphics Memory: 16 GiB of RAM (15.0 GiB usable) Graphics Processor: AMD Radeon Graphics
Can reproduce.
A possibly relevant merge request was started @ https://invent.kde.org/plasma/plasma-desktop/-/merge_requests/3477
A possibly relevant merge request was started @ https://invent.kde.org/plasma/plasma-desktop/-/merge_requests/3479
Git commit 077fcba23cee0b40910d39336e6a589c81572c73 by David Edmundson. Committed on 24/01/2026 at 21:24. Pushed by davidedmundson into branch 'Plasma/6.6'. kcm/access: Fix incorrect color blindness mode after Defaults + re-enable After clicking “Defaults” to disable the color blindness effect and then re-enabling it, the effect was applied using the previously active mode instead of the currently selected one. (cherry picked from commit 150bfdf548bae0be9f6b7d02820d9e1631d9179b) Co-authored-by: Andrew Gigena <mail@andrewgigena.dev> M +2 -1 kcms/access/kcmaccess.cpp https://invent.kde.org/plasma/plasma-desktop/-/commit/077fcba23cee0b40910d39336e6a589c81572c73