All those pop-up notifications about volume, screen/keyboard brightness are missing when corresponding key shortcut is pressed. I'm using hide panel and when panel is visible they appear only as intended but when it i hidden, never since 5.8.0 Reproducible: Always Steps to Reproduce: 1. Make panel hidden 2. Try to change volume/brightness with key shortcut 3. Be angry (optional :-) )
*** This bug has been marked as a duplicate of bug 370433 ***