> since Safari did the Manifest V3 thing. More accurately, Safari removed support for webRequest BlockingResponse in 2019. https://developer.mozilla.org/en-US/

> 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/WebExtensions/API/webRequest/BlockingResponse 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.