For users, it can mean that the installed content blocker does nothing at all….Most Chrome users may want to switch to another browser when Manifest V3 becomes the standard to get a reliable protection and not a chaotic one.“ In fact, the developers note that even the basic filter lists, which is the primary list of AdGuard, may be disabled in the worst case, as it has more than 30,000 rules. The developers have added warnings to the extension that inform users when the rules limitation is forcing the extension to reduce the number of rules that it supports. “ AdGuard MV3 Browser takes that into account. After reading that article I have a better idea why the developers of some content blockers like uBlock Origin have said they might stop releasing Chrome-compatible versions of their browser extensions. Thanks for the reminder about this upcoming change for Chrome (and MS Edge, per the Microsoft support article Overview and Timelines for Migrating to Manifest V3). From June 2023 onward, Manifest V2 extensions won’t run in Chrome anymore… Starting in January 2023, extension developers may no longer publish new Manifest V2 extensions or update existing ones. Google made some concessions, but went ahead with the launching of Manifest V3 in the company’s Chrome web browser. Some browser makers, including Mozilla, maker of Firefox, stated openly that they would not implement the limiting changes of Manifest V3. The developer of uBlock Origin, who maintains one of the most respected content blockers, said that the release of Manifest V3 could mean the end uBlock Origin for Chrome. Extension developers, privacy advocates and users criticized Manifest V3 shortly thereafter.

Manifest V3 defines what extensions can and can’t do in the Chrome web browser, and any other browser that implements it. Google announced plans to release a new Manifest for extensions in 2018. AdGuard, the company best known for its content blocking solution, launched what it calls the “world’s first ad blocker built on Manifest V3”…

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