v146.0 (2025-11-10)

✨ What's New ✨

Autofill

• Adds a migration to migrate users to use subregion codes over fully qualified strings. (bug 1993388)

Relay

• Added Remote Settings integration to determine site eligibility for displaying Relay UI. The new RelayRemoteSettingsClient fetches allowlist/denylist data, and should_show_relay() provides subdomain-aware domain matching to decide when to show Relay email mask suggestions. (#7039)

🦊 What's Changed 🦊

Android

• Upgraded NDK from r28c to r29. (#7014)

Glean

• Updated to v66.0.0 (#7025)

Nimbus

• The participation field is no longer required in the Cirrus
  EnrollmentRequest type. Instead, when users opt-out, the client application
  should no longer send enrollment requests to Cirrus.
  (#7030)

Full Changelog