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CHROME (google) is planing to implement DRM (kinda) into their browser
(lemmy.dbzer0.com)
looks like rendering adblockers extensions obsolete with manifest-v3 was not enough so now they try to implement DRM into the browser giving the ability to any website to refuse traffic to you if you don't run a complaint browser ( cough...firefox )
here is an article in hacker news since i'm sure they can explain this to you better than i.
and also some github docs
To be fair, there are about 20 versions of Firefox too. It’s just that most of them aren’t there to Hoover up ad revenue.