As they succumbed to Google's ressure to stop blocking ads, makes this kinda pointless. go elsewhere for that.

the automatic video stretching function to full screen stopped working, also the top panel with search became separate, when opening each video you have to go to the extension settings again and click the checkbox, and then scroll so that the video is fully visible and the top panel is not visible
ps fix this please and i'll return all of the 5 stars)

Causes music audio on some YouTube videos to become mute.

Was working really well for a long time, but recently it has been extremely buggy and causes YouTube to lag. Videos tend to stutter, the expand video player option doesn't work, the play speed is useless (because of stutter), and in general a lot of the features are currently broken or cause more issues than its worth. I love the extension, but I'm going to disable or uninstall for a while and wait for it to be fixed.

Salut, je trouve pas mal cette extension

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Funcionava melhor no passado.

Having stuttering and lag. For firefox shut it down he said!

Developer Says;
Extension v2.0.* randomly working in background tabs?! Controls not visible on page load?!
I know... No need to report these issues again and again, I have never been able to reproduce them...
The only way to fix them was to rewrite everything from scratch to create the version 3.0, and after months of hard work it is now available for Chrome and Edge so install it on those browsers because the version 3 will only be available for Firefox if Mozilla changes its review process because after more than 12 years publishing my extension on AMO there are things that I don't accept anymore!

It's very nice but it makes youtube lag like crazy. I dont like using youtube without this but it lags to the point where if I close the window the video continues to play for a good few seconds after closing.

It's great when it works but recent YT changes have broken it, some features like control buttons or miniplayer when scrolling don't show up unless you refresh several times, also YT recently has this weird lag that breaks the entire tab, though it could be unrelated to the extension but it goes away when disabling it