I am almost positive that this extension is secretly playing muted YouTube videos in the background to generate ad revenue. I kept noticing in my PulseAudio volume control that there was a second Firefox "instance" playing audio. It was muted. Unmuted it, and I could hear the same 10 seconds or so of audio being played. Then it loops, and at the same time sets the audio back to 0% (presumably so you don't notice it). I'm VERY surprised that Mozilla has this as "recommended" and that they apparently check it for security issues. This is a HUGE red flag. I have archived the exact version of the plugin that was doing this for future reference. I tried to grep through it for hardcoded youtube links, but it's probably getting them from a server somewhere. Reported this add-on, nothing was done.

Check and see if you see hidden Firefox instances playing audio when you are using this extension and watching YouTube!

it worked super fine since last update (months ago). Since then, just annoying and unstable. Why cantr developers just leave a working app as it is? (This critic also to FF on Android, simply unusable.)

Каждому своё... но я всё ещё использую старую версию, прекрасно работает с моими настройками.
К сожалению мне новые версии не нравятся (появились недостатки для меня), и всё время возвращаюсь на "2.0.101"... благо ещё совместимо.
Скриншот ➜ https://i1.imageban.ru/out/2021/07/22/7554d00e728e6160825ed0e064681fb2.jpg
Скриншот ➜ https://i2.imageban.ru/out/2021/07/22/ea87008f12bac9f30abd2f428404e861.jpg
Скриншот ➜ https://i5.imageban.ru/out/2021/07/22/dea7d149c121cbf9e559be40a4169104.jpg
-----------
To each his own... but I'm still using the old version, it works fine with my settings.
Unfortunately, I don't like the new versions (there are disadvantages for me), and I keep going back to "2.0.101"... it is still compatible.
Screenshot ➜ https://i1.imageban.ru/out/2021/07/22/7554d00e728e6160825ed0e064681fb2.jpg
Screenshot ➜ https://i2.imageban.ru/out/2021/07/22/ea87008f12bac9f30abd2f428404e861.jpg
Screenshot ➜ https://i5.imageban.ru/out/2021/07/22/dea7d149c121cbf9e559be40a4169104.jpg

5 star in terms functions, however, as part of a holistic review, the restrictive license takes 1 star off and I would recommend Improve Youtube over this add-on. Excellent features though.

Very good, thanks for this! Easy to use and it works well.

This is the best extension you can get for YouTube, gone are all the things that are so annoying. Now I'd love one more thing: automatically collapse the left menu, if that would be possible, you'd do me a big favor!

thank you

Without beating about the bush at the moment it is the top

Прекрасное дополнение, очень удобное и ползеное. Просьба добавить совместимость с мобильным приложением Firefox, и будет вообще идеально

exelente es muy practica espero q a futuro sigan mejorando para bien

Pros: It bypasses the adds.
It's customizable, to a decent degree.

Cons:A little hard to use for Non GUI/newer Tech nerds/AV nerds. Otherwise, fine. (Coimputer nerd here, so No problem!)

Over all, with default settings, even for an inexperienced user (Yourself or parents!) This is a GREAT add-on!!!! Would give a 9.8/10 if possible.

Great add-ons. Thank you for your hard work to keep up with YouTube changes!