
"Waterfox 50.1.0 Release (Windows, Mac & Linux)". ^ "Waterfox Classic | Waterfox Classic"."The Road to Firefox 57 – Compatibility Milestones". "The Future of Developing Firefox Add-ons". ^ "Find and install add-ons to add features to Waterfox".The developer states that " changes between versions so numerous between ESRs making merging difficult if not impossible". Waterfox Classic has multiple unpatched security advisories. Waterfox Classic is a version of the browser based on an older version of the Gecko engine that supports legacy XUL and XPCOM add-on capabilities that Firefox removed in version 57.


Waterfox shares core features and technologies like the Gecko browser engine and support for Firefox Add-ons with Firefox. There are official Waterfox releases for Windows, macOS, and Linux. Waterfox is an open-source web browser that is forked from Firefox and developed by System1. Web browser, mobile web browser, feed reader
