It does not matter how you feel about Googzilla. Spyware is spyware. And this is just one of many aspects of spyware built into and sneakily added by Googzilla.
That’s why there are forks like LibreWolf that remove that nonsense, because people aren’t sitting back and letting Googzilla run it into the ground.
Just ran through that list of bugs and don’t see my issue that happens all the time. I guess I’ll have to add a ticket.
My bug is when minimizing and restoring windows (fedora plasma 6 latest version), the first time or two it is smooth, but a few more times and it gets really jerky. It acts like a memory leak somewhere.