Created attachment 114603 [details] screenshot of original problem in Akregator I often have a black rectangle on top of the message content pane, both in Akregator (as discussed here) as well as KMail. This happens on different machines, running different versions of openSUSE (one of them running Tumbleweed). The black rectangle appears when hovering the area above the text "Aktuelles, keine ungelesenen Artikel", and moves with the mouse (i.e. it looks like I'm hovering different elements of a HTML page). The effect often enough goes away, but once it persists (this time achieved by moving the mouse cursor to the left and out of the pane). It then stays permanently visible, even in other Kontact subapps (see second screenshot of KMail). It is no effect of KWin or something, other application windows moved over the rectangle it is correctly hidden.
Created attachment 114604 [details] screenshot of persisting rectangle in KMail
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!