Today sees the official release of Firefox 57, also known as “Project Quantum”, a major rewrite of key parts of the browser. With it comes a new, incompatible, extensions API, and I (mostly) understand why. But on launch day, users will find about 3 in 4 extensions simply don’t work, and Mozilla’s planning for this seems to have been nothing short of incompetent. Rather than just whinging, I want to throw out some ideas of how they should have tried harder.

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