this is perhaps the most functional and well-polished add-on for the UI on youtube that I have used - coming from someone who is quite a power user and has tried many different well-known recommended add-ons. everything just works very well, and snappily on top of that. i have not experienced any slow downs at all and the in place popup UI is very convenient.

to the developer(s), my only recommended addition for this add-on, would be to add an option for auto-pausing background tabs, and within that category perhaps another option to automatically resume/start playback when loading that background tab into the foreground - or if unnecessary just building that into the same option as the one earlier mentioned. Perhaps you might take inspiration from the AutoPause add-on.

Thank you for developing this wonderful add-on, I will be looking forward to future updates, as I see that so far it has been getting quite frequent and regular updates. All the best. :)))