It's broken.

The video playback doesn't work at all.

this is great to have, when you don't want a video, just music

No longer work, addon need update ASAP.

useless. Disabled the video and audio.

Doesn't work / not updated, use Youtube audio_only instead (this one work as intended as I write this review, today (end of 2023)

With this extension enabled, I get the text shown in the screenshots overlaid on top of a still frame from the video and the audio does not play.

Doesnt work on firefox.
An error occurred. Please try again later. (Playback ID: RWKVzuhvC0P-Ic1O)

Whether on desktop or laptop, this always fails to allow playback, and produces message
"An error occurred. Please try again later. (Playback ID:..."

I use NoScript and uBlock Origin and Return YouTube Dislike