Releases/Firefox 73

Information and links to do with Firefox 73. This may be useful for Mozilla contributors actively working on the release. It is also a record for future reference.

About the 73 release

• Release owner: Ryan VanderMeulen (:RyanVM)
• Corresponding ESR release: 68.5.0
• Tracking document for the 73 cycle timeline from Nightly to release.
• Test Plan: Details of testing from QA.
• All shield studies for 73
• Postmortem notes, 2 weeks after the release.

Release checklists

• ESR 68 checklists
• Blank checklist templates

Dates of 73 releases

73.0a1 Nightly

• First released: December 2, 2019
• Release notes

73 Beta

• 73.0b1 release on aurora channel: November 26, 2019
• 73.0b5 End of EARLY_BETA_OR_EARLIER: January 21, 2020
• Release notes draft: staging / final

73.0 Release

• February 11, 2020
  • Desktop: https://www.mozilla.org/firefox/73.0/releasenotes/
  • Fennec 68.5.0: https://www.mozilla.org/firefox/android/68.5.0/releasenotes/