Originally Suggestion (Opens in a new tab) By Google in 2018, Manifest v3 (MV3) is a software architecture review tracked by the tech giant as one of the “most significant shifts in the add-on platform since its launch a decade ago”.
Google promised that the new technology would give users “security, privacy, and performance improvements” and enable them to “use the most modern open web technologies such as service workers and promises.”
When does the change take effect?
From Monday, November 21st onwards, developers will be able to upload Mv3 extensions to sign. (Opens in a new tab) But it can be said that Mozilla is somewhat late to the party. Microsoft has started testing Manifest V3 (Opens in a new tab) In Edge browsers since October 2020.
However, not everyone is a big fan of Manifest V3.
Some of the most ardent supporters of online privacy, such as the Electronic Frontier Foundation, have them I spoke against (Opens in a new tab) Update, saying that “Changes in Manifest V3 will not stop malicious extensions but will harm innovation, reduce extension capabilities, and harm real-world performance.”
Mozilla is unlikely to have much choice in the decision to use MV3 within Firefox, as Google controls Chromium, the open source browser technology that powers Google Chrome and Microsoft Edge, both of which Obtaining a large market share for the browser.
Even Apple has endorsed MV3 for its Safari browser on macOS and iOS going forward, so it might just be a case of keeping up with the times.
Support for Manifest V2, the predecessor to Manifest V3, ends in June 2023 for all Chromium-based browsers.
This wouldn’t be the first time Mozilla has dealt with Google. The company previously accused Google, Microsoft and Apple of “self-favoring” and urging consumers to use their own browsers in a September 2022 report, citing Many examples of consumer harm.