I noticed this immediately after updating to 5.27. When I hover over items, the balloon tooltips pop up in a rather flickery fashion, sometimes showing up in a wrong place or briefly disappearing before they appear again. I shot a short video to illustrate the problem: https://organicunicornbeef.org/junker/IMG_9015.MOV Tooltips can be seen bounding around, not showing up consistently etc. This is rather eye-jarring and distracting. This behavior is not isolated to systray but it's very easy to reproduce there. - Arch Linux - Plasma 5.27 (testing repo) - KF5 5.103
*** This bug has been marked as a duplicate of bug 490555 ***