Apparently, they're currently in the process of turning people's Manifest V2 extension off. They seem to be stretching it out over a few weeks to sidestep a shitstorm.
Afterwards, there will still be uBlock Origin Lite, but the dev didn't choose that name for funsies. It will be even worse at ad blocking, and be missing some important features like automatic block list updates and the element picker.
Me on Lemmy today: