SUMMARY Since Plasma 6 (?), systray does not default to symbolic icon even if available. Therefore KAlarm icon is colourful instead. STEPS TO REPRODUCE 1. Enable KAlarm -> Settings -> View -> Show in system tray 2. Observe KAlarm icon in systray OBSERVED RESULT Colourful icon ( https://invent.kde.org/frameworks/breeze-icons/-/blob/master/icons/apps/48/kalarm.svg ) is shown in systray among all the other single colour icons EXPECTED RESULT Symbolic Kalarm icon is used in systray https://invent.kde.org/frameworks/breeze-icons/-/blob/master/icons/apps/22/kalarm-symbolic.svg SOFTWARE/OS VERSIONS KDE Plasma Version: 6.0.4
A possibly relevant merge request was started @ https://invent.kde.org/pim/kalarm/-/merge_requests/48
A fix was merged ( https://invent.kde.org/pim/kalarm/-/commit/6f040fd113873b1bc69fc73cb84897f10bf6da19 ) but no BUG tag in commit message, so closing manually.
This change has been reverted: see Bug 498753.