https://bugs.kde.org/show_bug.cgi?id=466747
Bug ID: 466747
Summary: Wayland: Invert effect causes certain UI elements to
stutter
Classification: Plasma
Product: kwin
Version: 5.27.2
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: xna...@hydra-development.net
Target Milestone: ---
SUMMARY
While inverted, certain UI elements seem to not update correctly, most notably
the hamburger menu in Firefox. As far as I can tell, this bug is new to 5.27.0.
>From what I've tested, only Firefox and Thunderbird are affected by this, but I
can only *reliably* reproduce this bug in Firefox.
STEPS TO REPRODUCE
0. Log in to Plasma Wayland
1. Open Firefox
2. Enable Invert effect
3. Open Firefox' hamburger menu (ensure the currently opened webpage is NOT
actively rendering content, e.g. videos, animations)
4. Interact with the menu.
OBSERVED RESULT
When hovered, menu entries either don't highlight at all, or highlight after a
delay.
When clicked, menu is slow to update. When dismissed, menu sometimes leaves
behind an artifact on the webpage (disappears once the page renders something,
or the user scrolls).
EXPECTED RESULT
Menu responds normally, as it would without the Invert effect applied.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Gentoo
(available in About System)
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
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