Mixed Results Rated 3 out of 5 stars

Working on some YouTube videos.
Not Working on any Vevo video streams.

Please fix.

I would gladly donate if this extension was regularly updated or paid users could get early previews.

This review is for a previous version of the add-on (4.9.15.1-signed). 

YouTube not working Rated 4 out of 5 stars

The YouTube download is not working again. "File not found"This is the best add-on for Firefox, ever.Hope the developer fixes this soon.

This review is for a previous version of the add-on (4.9.15.1-signed).