Firefox plans to support Manifest V3 because Chrome is the world’s most popular browser, and it wants extensions to be cross-browser compatible, but it has no plans to turn off support for Manifest V2.
I doubt they’ll ever choose to shut down V2, but Google is already forcing their hand a little by making them require supporting V3 to stay relevant
From the article:
I doubt they’ll ever choose to shut down V2, but Google is already forcing their hand a little by making them require supporting V3 to stay relevant