Amazing especially after the new update. makes it look very clean! There are also a lot of options for customization so you can tweak it to your liking.

My only gripe is that it seems that opening a new youtube video in a new tab or window, that the theater mode disables itself. I can literally see the page load in with the video in theater mode, and then return to normal size when page is fully loaded. This does not happen if I move from one video to the next in the same tab.

Another small quality of life thing in my opinion is that it would be nice to have all of the enabled toggles available at all times instead of being hidden away with the more options toggle. I only use a few of these toggles so it doesn't feel cluttered to me. Maybe make a toggle for this?