506549 2025-07-03 18:56:55 +0000 Zooming in a few more ticks beyond the maximum limit turns the magnifier effect into a fullscreen thumbnail 2025-07-10 16:00:37 +0000 1 1 4 Plasma kwin effects-various 6.4.2 Other Linux RESOLVED FIXED NOR normal --- 1 im.tech.tac kwin-bugs-null kdedev nate https://invent.kde.org/plasma/kwin/-/commit/b83d55c764bb69687295da7351573996decd3dd4 6.4.3 0 oldest_to_newest 2438281 0 im.tech.tac 2025-07-03 18:56:55 +0000 STEPS TO REPRODUCE 1. Enable Magnifier effect 2. Zoom in like, a lot OBSERVED RESULT The magnifier box turns into a mini preview of the whole screen EXPECTED RESULT Not do that SOFTWARE/OS VERSIONS Linux: Arch KDE Plasma Version: 6.4.2 KDE Frameworks Version: 6.15.0 Qt Version: 6.9.1 2439218 1 kdedev 2025-07-07 22:06:19 +0000 I'm am able to reproduce this on git-master. Note: The zoom and magnify effects were moved under Accessibility I am also able to reproduce on Fedora 42 2439276 2 bug-janitor 2025-07-08 08:21:05 +0000 A possibly relevant merge request was started @ https://invent.kde.org/plasma/kwin/-/merge_requests/7891 2439521 3 vlad.zahorodnii 2025-07-09 09:12:55 +0000 Git commit f1ae726839a5782b7227126d490570ffac6ec3c1 by Vlad Zahorodnii. Committed on 09/07/2025 at 08:53. Pushed by vladz into branch 'master'. plugins/magnifier: Constrain zoom factors With extreme zoom factors, the source rect will be empty, which will make the GLFramebuffer blit the whole framebuffer. In order to prevent that, this change constrains the zoom factor to a reasonable range. The zoom effect already does this. M +33 -33 src/plugins/magnifier/magnifier.cpp M +2 -0 src/plugins/magnifier/magnifier.h https://invent.kde.org/plasma/kwin/-/commit/f1ae726839a5782b7227126d490570ffac6ec3c1 2439525 4 vlad.zahorodnii 2025-07-09 09:55:43 +0000 Git commit b83d55c764bb69687295da7351573996decd3dd4 by Vlad Zahorodnii. Committed on 09/07/2025 at 09:27. Pushed by vladz into branch 'Plasma/6.4'. plugins/magnifier: Constrain zoom factors With extreme zoom factors, the source rect will be empty, which will make the GLFramebuffer blit the whole framebuffer. In order to prevent that, this change constrains the zoom factor to a reasonable range. The zoom effect already does this. (cherry picked from commit f1ae726839a5782b7227126d490570ffac6ec3c1) M +33 -33 src/plugins/magnifier/magnifier.cpp M +2 -0 src/plugins/magnifier/magnifier.h https://invent.kde.org/plasma/kwin/-/commit/b83d55c764bb69687295da7351573996decd3dd4