Opened 3 years ago

#18215 new defect

TBB should use software backend for canvas rendering

Reported by: cypherpunks Owned by: tbb-team
Priority: Medium Milestone:
Component: Applications/Tor Browser Version:
Severity: Normal Keywords:
Cc: Actual Points:
Parent ID: Points:
Reviewer: Sponsor:

Description

If TBB would use a common software rendering backend for canvas, no fingerprinting threat would exist. Font differences can already be detected via other means.

Firefox should have the necessary functionality. It can use software rendering for buggy/blacklisted hardware and hardware that lacks required acceleration features.

This would resolve issues like this:
https://trac.torproject.org/projects/tor/ticket/18195

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