The new MV3 architecture reflects Google’s avowed desire to make browser extensions more performant, private, and secure. But the internet giant’s attempt to do so has been bitterly contested by makers of privacy-protecting and content-blocking extensions, who have argued that the Chocolate Factory’s new software architecture will lead to less effective privacy and content-filtering extensions.
For users of uBlock Origin, which runs on Manifest V2, “options” means using the less capable uBlock Origin Lite, which supports Manifest V3.
Not really, NoScript prevents executing all JavaScript by default. JShelter instead strongly limits what JS can do and spoofs some values to throw of fingerprinters. It also has a network boundary shield (mostly blocking cross sites post/get requests. Same for lan to prevent your local network being scanned etc). And it comes with a fingerprint detector which allows you to see which websites want to track you the most (I avoid those whenever possible)