Fingerprinting

This page tracks the deployment of Firefox's Fingerprinting Protection (FPP) feature.

Other documents that may be relevant depending on the audience:

• SUMO page more appropriate for end-users of Firefox https://support.mozilla.org/en-US/kb/firefox-protection-against-fingerprinting
• SUMO page for end users who might have (accidently or not) enabled Resist Fingerprinting https://support.mozilla.org/en-US/kb/resist-fingerprinting
• Firefox's Fingerprinting Protection Architecture in Gory Detail https://docs.google.com/document/d/1FywogzvkWupoUoz4PcCp9nNd6aKOwBN-c2zRu2Xof9Y/edit?tab=t.0
• Source Docs on the implementation: https://firefox-source-docs.mozilla.org/toolkit/components/resistfingerprinting/resistfingerprinting/implementation.html

Desktop

Protection Name	Channel	Version	Bugs
ScreenAvailToResolution	Enabled in FPP (PBM) Release as of 143; Enabled in Baseline Nightly-only as of 150
	Baseline Nightly	150	bug 1990514
	FPP (PBM) Release	143	bug 1978414
	FPP (PBM) Beta	143	bug 1978414
	FPP (PBM) Nightly	143	bug 1978414
	Regressions: bug 2016747

Android

Protection Name	Channel	Version	Bugs
ScreenAvailToResolution	Enabled in FPP (PBM) Release as of 143
	FPP (PBM) Release	143	bug 1978414
	FPP (PBM) Beta	143	bug 1978414
	FPP (PBM) Nightly	143	bug 1978414