Better YouTube Version History
Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
Added Firefox 3 compatibility; Updated YouTube Theater, YouTube Download, and YouTube Alternate Video Player. Upgraded to latest and greatest extension code.
Added Firefox 3 Beta 4 support; Added ca.youtube.com support.
Added support for au.youtube.com and uk.youtube.com. Added Firefox 3 Beta 3 compatibility. Updated the Flowplayer script, which had broken. Fixed bug where "Toggle comments" appeared on non-YouTube pages.