Waterfox G4.0.3
Dec 14, 2021
2 minutes
Firefox has changed a lot over the past few years. NPAPI plugins were all but banished in 2017 when Firefox 52 was released. Firefox 57 (Quantum) brought a new look, a newly engineered browser engine and a new add-on architecture to replace the venerable XUL (XML User Interface Language).
The XUL architecture was powerful, perhaps too powerful since it enabled add-ons to do add-on ecosystem, but given the security implications it was axed in favour of the new WebExtensions mechanism.
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