Everyday, randomly, the hidden panel (visibility set to always hidden) I have will not show itself (sometimes). Latte dock is also hidden but it does show on hover, as it should. The way I can get it to show is to activate the menu for example, or any other widget. Even the task manager itself when activated with a keyboard shortcut will make the panel to show itself, but the cursor alone won't. After this the panel is "fixed", that is the hover will work, but only until the next time. The panel I have is a default panel with a menu, task manager, system tray, pager, spectacle widget, 3 extra widgets to some scripts, the system tray and the even calendar widget.
As a correction. Latte as a dock is not affected, but Latte as a panel is.
A lot has changed since this bug was filed. Is it still reproducible for you in Plasma 5.24 (the latest LTS version) or 5.25 (the latest version, period)?
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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!