Firefox now supports extension's Manifest V3, with support for ad blockers

[madacol]

https://www.mozilla.org/en-US/firefox/109.0/releasenotes/

[iza]

Also posted here: https://news.ycombinator.com/item?id=34412975

Aside, I've been waiting years for a favicon API, which Chrome has had from the start. It's a pretty glaring hole for any extension that displays bookmarks or history.

At least with Manifest V3 they finally triaged the issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1315616