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Google is Killing uBlock Origin. No Chromium Browser is Safe.
(www.quippd.com)
This is a most excellent place for technology news and articles.
https://caniuse.com/hevc
looks like the bigger issue is hvec itself. Also the support is extremely spotty with all the other browsers as well, with it still only having limited support in Chrome as well depending on your hardware.
Or just use av1 instead. I've literally never run into this as an issue before lol.