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"We found a vulnerability..."
(lemmy.sdf.org)
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
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FFUpdater, on F-Droid, manages updates for Firefox and other browsers. I counted nine variations of Firefox or forks of Firefox. As well as eight variations of Chromium based browsers that aren't Chrome. So that's 17 options.