I posted for the same problem but my topics was just closed few minutes ago
https://community.brave.com/t/video-size-on-full-screen/100171/3
Like I said in the description, I don’t have the problem with other browsers, chrome include…
And now I see post from other brave users with the same problem.
I am not a specialist, just a user, but chrome use Chromium and Brave use Chromium. With chrome no problem but with Brave Yes. How should be a Chromium problem ?
Thanks
Regards
Correction : now i also have the problem with chrome.