Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
HD... Rated 5 out of 5 stars
He stop playing 1080p via google (youtube links).This review is for a previous version of the add-on (126.96.36.199-signed).
That is most likely related to recent issues with YouTube itself rather than the add-on. :-/