This addon does not work on Firefox Nightly for andriod because when I watch videos on youtube.com on my galaxy tab s5e andriod tablet os 11 one ui3.1 when If pause,fast forward rewind or skip to any part of the video I cant get sound and on another site that has video I get sound eather if I pause the video, or skip to any part or the video. But on the firefox reference browser. and on my laptop using Windows 11 22h2 firefox Nightly 10764bit and Firefox asan browser 107 64bit I have no problems with using this addon.