There already is µblock that's only MV3 based https://addons.mozilla.org/en-US/firefox/addon/ublock-origin-lite/ give it a try if you see any difference
It's reported to be a declarative block list that's already vastly powerless compared to regular ublock. Its presence shouldn't give you a false sense of security. One thing that is sure to happen is that its capabilities will be gutted in the long run - perhaps by just bypassing the blocks.
There already is µblock that's only MV3 based https://addons.mozilla.org/en-US/firefox/addon/ublock-origin-lite/ give it a try if you see any difference
It's reported to be a declarative block list that's already vastly powerless compared to regular ublock. Its presence shouldn't give you a false sense of security. One thing that is sure to happen is that its capabilities will be gutted in the long run - perhaps by just bypassing the blocks.