Hopefully Firefox will keep support for manifest 2 for the foreseeable future since they also have their own extension "store". In Chromes extension store new d

Hopefully Firefox will keep support for manifest 2 for the foreseeable future since they also have their own extension "store". In Chromes extension store new downloads of Ublock Origin have already been disabled and existing installations are slowly being disabled as they roll out the changes. I'm still on Vivaldi, but will be switching to Firefox very soon.