SUMMARY: When triggering Overview (Meta+W) or Grid View on a 3-monitor Wayland setup with Intel Arc B580, the effect only renders correctly on the leftmost monitor. The other 2 monitors don't repaint and show stale content until another action forces a refresh. STEPS TO REPRODUCE: 1. Have 3 monitors connected via DisplayPort (all with HDR enabled) 2. Use Wayland session 3. Press Meta+W to trigger Overview (or hot corner) 4. Observe: Only leftmost monitor shows the effect EXPECTED BEHAVIOR: All 3 monitors show Overview/Grid View effect simultaneously ACTUAL BEHAVIOR: Only one monitor renders the effect correctly. The other 2 monitors show stale/old content. Forcing a refresh (e.g., opening launcher) causes momentary flicker where the effect partially paints on other monitors before being overwritten. RELATED ISSUE: The "Slide" animation for virtual desktop switching has the exact same symptom - only one monitor animates. Workaround: Disabling slide animation (using "Fade" or no animation) fixes desktop switching. However, Overview/Grid View have no similar animation toggle. SYSTEM INFORMATION: - Plasma: 6.4.5 - KWin: 6.4.5 - Qt: (system default) - Kernel: 6.17.0-8-generic - GPU: Intel Corporation Battlemage G21 [Arc B580] - Driver: Mesa 25.2.3-1ubuntu1 - Session: Wayland - Monitors: 3x DisplayPort at 2560x2880@60Hz (scaled 2x), HDR enabled MONITOR LAYOUT: - DP-3: 0,0 (leftmost, rotated) - effect WORKS here - DP-1: 1440,0 (center) - DP-2: 2720,0 (rightmost, rotated) ADDITIONAL NOTES: - Issue does NOT occur on single monitor - Hot corner trigger has same issue - Switching to X11 not tested
Are any of the screens mirrored?
(In reply to Nate Graham from comment #1) > Are any of the screens mirrored? None of the screens are mirrored. They are 3 separate monitors, each with HDR enabled.