Firefox and Chrome 100 could break parts of the Internet warns

Mozilla Firefox will add support for Manifest v3-based web browser extensions to its online store.

Originally proposed (opens in a new tab) by Google in 2018, Manifest v3 (MV3) is a software architecture overhaul touted by the tech giant as one of the "most significant platform changes in the form of extensions since its release." ten years ago". .

Google promised that the new technology will give users "security, privacy, and performance enhancements" and will allow them to "use more contemporary open web technologies, such as service workers and promises."

When will the change take effect?

Starting Monday, November 21, developers will be able to upload Mv3 extensions for signing. (opens in a new tab) But Mozilla is probably a little late to the party; Microsoft began testing Manifest V3 (opens in a new tab) in its Edge browsers in October 2020.

However, not everyone is the biggest fan of Manifest V3.

Some of the strongest advocates of online privacy, such as the Electronic Frontier Foundation, have spoken out against (opens in a new tab) the update, saying that “the changes in Manifest V3 will not stop malicious extensions, but they will harm innovation, reduce scalability, and hurt real-world performance.

It's unlikely that Mozilla had much choice in the decision to use MV3 in Firefox, since Google controls Chromium, the open source browser technology that powers Google Chrome and Microsoft Edge, both of which have large shares of the browser market. .

Even Apple has supported MV3 for its Safari browser on macOS and iOS in the future, so it may just be a matter of keeping up.

Support for Manifest V2, the predecessor to Manifest V3, ends in June 2023 for all Chromium-based browsers.

It would not be the first time that Mozilla faces Google. The company previously accused Google, Microsoft and Apple of "preferring themselves" and pushing consumers to use their own browsers in a September 2022 report, citing numerous examples of consumer harm.

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