Chrome’s new ad-blocker-limiting extension platform will launch in 2023

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Google's journey toward Chrome's "Manifest V3" has been happening for four years now, and if the company's new timeline holds up, we'll all be forced to switch to it in year 5. "Manifest V3" is the rather unintuitive name for the next version of Chrome's extension platform. The update is controversial because it makes ad blockers less effective under the guise of protecting privacy and security, and Google just so happens to be the world's largest advertising company.

Google's latest blog post details the new timeline for the transition to Manifest V3, which involves ending support for older extensions running on Manifest V2 and forcing everyone onto the new platform. Starting in January 2023 with Chrome version 112, Google "may run experiments to turn off support for Manifest V2 extensions in Canary, Dev, and Beta channels." Starting in June 2023 and Chrome 115, Google "may run experiments to turn off support for Manifest V2 extensions in all channels, including stable channel." Also starting in June, the Chrome Web Store will stop accepting Manifest V2 extensions, and they'll be hidden from view. In January 2024, Manifest V2 extensions will be removed from the store entirely.

Google says Manifest V3 is "one of the most significant shifts in the extensions platform since it launched a decade ago." The company claims that the more limited platform is meant to bring "enhancements in security, privacy, and performance." Privacy groups like the Electronic Frontier Foundation (EFF) dispute this description and say that if Google really cared about the security of the extension store, it could just police the store more actively using actual humans instead of limiting the capabilities of all extensions.

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