YouTube High Definition Version History

131 versions

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.

Version 35.5.1-signed 117.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 35.4.1-signed 117.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Tiny Video Size Support

Version 35.3.1-signed 117.1 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Firefox Electrolysis Support

Version 35.2.1-signed 114.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Full Page Video Support

Version 35.1.1-signed 114.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 35.0.1-signed 114.2 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

FlashBlock Support

Version 34.3.1-signed 113.7 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

SeaMonkey Support

Version 34.2.1-signed 105.2 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

HD Support for HTML5

Version 34.1.1-signed 105.2 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

UI Adjustments

Version 34.0.1-signed 105.1 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Localization Support

Version 33.7.1-signed 105.1 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 33.5.1-signed 98.9 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Playlist Auto Play Support

Version 33.0.1-signed 97.7 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

HTML5 Support

Version 32.2.1-signed 97.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Localisation Support

Version 32.1.1-signed 94.5 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Default Video Size Support

Version 32.0.1-signed 94.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Auto Play for Embedded Videos
Volume Support

Version 31.5.1-signed 93.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 31.4.1-signed 93.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 31.2.1-signed 93.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Auto Play Support and Auto Play Bug Fix

Version 31.0.1-signed 93.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Auto Play Support

Version 30.2.1-signed 92.2 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Annotations Off Support

Version 30.0.1-signed 90.6 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Localization Support

Version 9.4.1-signed 90.5 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Localization Support

Version 9.3.1-signed 90.3 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Bootstrap Support

Version 9.2.1-signed 61.0 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for recent YouTube changes

Version 9.0.1-signed 60.9 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

4K Support

Version 8.8.1-signed 60.2 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

SeaMonkey Support

Version 8.4.1-signed 60.0 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Support for Recent YouTube Changes

Version 8.2.1-signed 60.0 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Firefox Electrolysis Support

Version 8.1.1-signed 59.4 kB Works with Firefox 3.0 and later, SeaMonkey 2.0 and later

Facebook Support