A must have for YouTube, unfortunately in the latest 2.0.128 the option to disable WebM/VP9 codecs and force H.264 stopped working. Until an update can fix this i had to go back to enhanced-h264ify

YouTube is utterly unwatchable without this app. Download it now.

Edit: Thanks for rolling back the update! Reinstalled the extension to 2.0.126.1 and working normally now.

Version 2.0.128 causes video to automatically pause when in the background (switching to another tab, switching to another program, etc)

Please fix, or add an option to enable/disable this behaviour.

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It is better now, but not working in all YouTube tabs... IDK why, but I use Firefox Nightly, maybe that was not tested in this Browser. So please include Nightly in compatibility list.

I like it

New user of a few days and loving it so far. Has practically every option I've wanted for YT. No issues yet.
A Lite version for music.youtube would be great, but that would be primarily to handle glitches with the video feature.

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Excellent Extension for YouTube viewing. Has just about every feature you can think of - some of which I'd never considered needing until seeing the option. Would highly recommend to anyone who spends a lot of time watching YouTube.

I use this extension whenever I'm on YouTube. It allows me to control and tweek options so YouTube behaves and appears how I like it. It's a great extension, even though my review is written poorly. Try it and you likely will like it too.