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Disable scroll for details feature and remove the label from the bottom in fullscreen
< Feedback on YouTube - Disable Fullscreen Scroll
If you want only the video. Wouldn't it be better to just hide everything else?
Is it possible for you to make it compatible with the script Resize YT To Window Size(https://greasyfork.org/en/scripts/811-resize-yt-to-window-size)?
The problem is with both scripts active if i don't go fullscreen exactly at the top of the page, it goes full screen but not on the video and instead in the comments.
Gif example: https://i.postimg.cc/7h1CbkvX/Gif-Record-22-04-2023-22-22-42.gif