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Google tries to defend its Web Environment Integrity
(techreport.com)
This is a most excellent place for technology news and articles.
Here's hoping that happens, but it still won't fix two things: Firefox is kinda weird and clumsy on mobile, and it'll still need attestation if that's implemented on key websites as a hard-barrier to usage. I'm now on Android (I alternate between the two, so next cycle will be Apple), and even as a highly technical type I don't sideload on there anyway, so I think few will sideload on iOS either.