Avoozl As far as I remember, this bug didn't exist until the most recent RC. To trigger it, just open a few tabs and then click on them randomly until the hover effect gets stuck on one of them.
ForumNinja404 I can confirm this is still happening on version 0.99.125.1-rc (WebKit 616.1.22). There are no specific steps to replicate, but it naturally occurs after navigating between (vertical) tabs for a while.
nrudnyk @ForumNinja404 @Avoozl would you be able to confirm whether this issue still persist? I wasn't able to reproduce it: