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by lapcat 973 days ago
> since Safari did the Manifest V3 thing.

More accurately, Safari removed support for webRequest BlockingResponse in 2019. https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/Web...

This was unrelated to Manifest V3, and in fact Safari has not deprecated Manifest V2. Manifest V3 does remove support for webRequest BlockingResponse in Chrome, but I believe not in Firefox.