SUMMARY Since the upgrade to plasma 5.25.3, Ctrl-F7 or clicking on a item in the icons-only-taskbar uses a blurred background. The corresponding effect has a checkbox to disable the new function, but unchecking it doesn't seem to change anything. SOFTWARE/OS VERSIONS Operating System: Debian GNU/Linux KDE Plasma Version: 5.25.3 KDE Frameworks Version: 5.94.0 Qt Version: 5.15.4 Graphics Platform: X11
> The corresponding effect has a checkbox to disable the new function, but unchecking it doesn't seem to change anything. The effect you're thinking of is Overview; Present Windows doesn't have this setting.
You have to click "OK" after unchecking the box for the setting to apply. Can you do that and check if the issue still persists?
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The checkbox in the overview effect works for overview. The present windows effect doesn't have an own checkbox and doesn't follow the checkbox you have in the settings for the overview effect.
The blur effect is used to improve contrast, and I don't think that we should add such options. The blur option in the overview effect was added for no good reason, we probably need to remove it for the consistency sake. If there are valid usecases to let the user disable the blur effect that we are not aware of, we can revisit this bug report.
For me it's fine. When I reported the bug, I had issues with several changes in Kwin and tried to report them as bugs. Most of them are resolved by now and the blur itself is no real problem for me. I only updated the bug, because the bot nagged me.
Git commit 77bf51c3b537c0cdfd48be37b98e59c6078b57ff by Vlad Zahorodnii. Committed on 07/02/2023 at 19:36. Pushed by vladz into branch 'master'. effects/overview: Drop "blur background" option The blur effect is used to improve the contrast. The option was added thinking "why not? it might be useful." This was perhaps a mistake and it should have been added with a clear valid usecase in mind. M +12 -22 src/effects/overview/kcm/overvieweffectkcm.ui M +0 -4 src/effects/overview/overviewconfig.kcfg M +0 -14 src/effects/overview/overvieweffect.cpp M +0 -6 src/effects/overview/overvieweffect.h M +1 -1 src/effects/overview/qml/ScreenView.qml https://invent.kde.org/plasma/kwin/commit/77bf51c3b537c0cdfd48be37b98e59c6078b57ff
There are two reasons to disable the blur: 1. The wallpaper isn't really visible during normal usage for many people outside of the overview. If the wallpaper is by itself already low contrast enough, the user may prefer being able to see it. E.g. GNOME shows the Wallpaper way more unobstructed in its activities overview, by comparison. 2. The KDE blur in the overview is tinted with a theme color. This can greatly clash with the wallpaper. Perhaps there should be a consideration to disable that tinting altogether, even if the blur remains in place.