Firefox Release

July 19, 2021

Version 90.0.1, first offered to Release channel users on July 19, 2021


  • Fixed a crash when using some accessibility clients on Windows (bug 1720696)

  • Fixed busy looping processing some HTTP3 responses (bug 1720079)

  • Fixed transient errors authenticating with some smart cards (bug 1715325)

  • Fixed a rare crash on shutdown (bug 1707057)

  • Fixed a race on startup that caused about:support to end up empty after upgrade (bug 1717894)


  • Printing a page with scaling may result in truncated output (bug 1720621)

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