Platform 15.0.2 (May 17, 2018). Please donate.
400+ real apps, New: Falkon browser (Jun 04, 2018)
Over 980 million app downloads
Quantum was the codename for the big set of changes introduced in Firefox 57. The portable version was posted the same day as the standard release: https://portableapps.com/apps/internet/firefox_portable
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