CHROME (google) is planing to implement DRM (kinda) into their browser
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.
Is it already out? I've run into a lot of errors the past week since I started using Rethink DNS. Only on a couple sites, particularly if I do a dumb and click a Google sponsored result.