v80.0.0 (2021-06-24)

Full Changelog

fxa-client

⚠️ Breaking Changes ⚠️

• The old StateV1 persisted state schema is now removed. (#4218)
  Users on very old versions of this component will no longer be able to cleanly update to this version. Instead, the consumer code
  will recieve an error indicating that the schema was not correctly formated.

Nimbus

What's Changed

• Nimbus SDK now supports different branches having different Feature Configs (#4213)

Other

• ./libs/build-all.sh now displays a more helpful error message when a file fails checksum integrity test.