New YouTube Rated 3 out of 5 stars
Excellent extension but not matching with new YouTube Interface .. when you plan to fix that?This review is for a previous version of the add-on (1.4.10).
It should work, I've added support for the new interface a few months ago. If it doesn't work for you, send an email to firstname.lastname@example.org with more information.
If you wanted a tab instead of a button to match the new interface, the answer is I decided to stick with the button because it's more compact and easier to use - but that may change in a future version.