https://developer.chrome.com/blog/more-mv2-transition/ https://groups.google.com/a/chromium.org/g/chromium-extensions/c/zQ77HkGmK9E
I use Firefox on personal devices, but on work laptop I have uBlock origin and no other adblocking extension is allowed (wildcard in blocklist by corporate policy). I hope they will use additional time to allow uBlock Origin minus into allowed list.