v73.0.0 (2021-03-10)

Full Changelog

General

• The bundled version of the Nimbus SDK has been updated to v0.9.0.
• The top-level Rust workspace now builds with Rust 1.50
• The top-level Rust workspace is now stapled to Rust 1.50, so all developers
  will build with 1.50, as will the continuous integration for this repo.

iOS

• The Nimbus SDK is now available as part of the MozillaAppServices Swift module.

FxA Client

⚠️ Breaking changes ⚠️

• The Kotlin and Swift bindings are now generated automatically using UniFFI.
  As a result many small details of the API surface have changed, such as some
  classes changing names to be consistent between Rust, Kotlin and Swift.
  (#3876)