https://bugs.kde.org/show_bug.cgi?id=350365
--- Comment #8 from Jannis Mast <jan...@hackbraten.men> --- (In reply to Jannis Mast from comment #7) > Same problem here on Gentoo, running Linux 4.7.10, KDE frameworks 5.26.0 and > Plasma 5.7.5. I have first seen this after upgrading from Plasma 5.6 and > frameworks 5.23. > Also, it seems that only the systray is affected by this. The lockscreen > shows the battery level and the screen brightness is set correctly when > unplugging from AC power. I've just noticed that restarting plasmashell seems to fix this sometimes (no need to log out and restart the entire session) Plasmashell produces the following output in .xsession-errors, could be related to this problem? file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/ui/CompactRepresentation.qml:54:39: Unable to assign [undefined] to int file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/ui/CompactRepresentation.qml:54:39: Unable to assign [undefined] to int file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/ui/CompactRepresentation.qml:44:39: Unable to assign [undefined] to bool -- You are receiving this mail because: You are the assignee for the bug.