An anonymous reader writes: Mozilla engineers have borrowed yet another feature from the Tor Browser and starting with version 58 Firefox will block attempts to fingerprint users using the HTML5 canvas element. The technique is widely used in the advertising industry to track users across sites. Firefox 58 is scheduled for release on January 16, 2018. Canvas fingerprinting blocking is the second feature Mozilla engineers have borrowed from the Tor Project. Previously, Mozilla has added a mechanism to Firefox 52 that prevents websites from fingerprinting users via system fonts. Mozilla's efforts to harden Firefox are part of the Tor Uplift project, an initiative to import more privacy-focused feature from the Tor Browser into Firefox.

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