Issues

• Targeting criteria request

  mozilla/experimenter#17678 · Filter by author asavransky-code opened on Oct 8, 2026

• JSON Form Generator

  mozilla/experimenter#17675 · Filter by author jaredlockhart opened on Oct 8, 2026

• Phase date warning on live rollout

  mozilla/experimenter#17673 · Filter by author jaredlockhart opened on Oct 8, 2026

• Warn when a desktop message is missing frequency guardrails

  mozilla/experimenter#17662 · Filter by author jaredlockhart opened on Oct 7, 2026
  

• Warn when a messaging experiment's enrollment can dilute the message's reach

  mozilla/experimenter#17661 · Filter by author jaredlockhart opened on Oct 7, 2026
  

• Warn when a messaging experiment's treatment branches fire under different triggers or targeting

  mozilla/experimenter#17660 · Filter by author jaredlockhart opened on Oct 7, 2026
  

• Enable localization for Firefox for iOS and Fenix in Experimenter

  mozilla/experimenter#17659 · Filter by author data-sync-user opened on Oct 7, 2026

• Warn when a frequency-capped messaging experiment uses a dummy control message

  mozilla/experimenter#17658 · Filter by author jaredlockhart opened on Oct 7, 2026
  

• Improve "warning on navigating away without saving" so that it's universal

  mozilla/experimenter#17656 · Filter by author data-sync-user opened on Oct 7, 2026

• Correct population sizing counts: repoint mobile pool at nimbus_targeting_context, filter by channel and partition

  mozilla/experimenter#17650 · Filter by author data-sync-user opened on Oct 6, 2026
  2

• Option to expand/collapse all cards

  mozilla/experimenter#17643 · Filter by author data-sync-user opened on Oct 6, 2026

• Migrate existing Labs deliveries to the new flow

  mozilla/experimenter#17578 · Filter by author data-sync-user opened on Oct 1, 2026

• Admin flag for the new Labs UI

  mozilla/experimenter#17577 · Filter by author data-sync-user opened on Oct 1, 2026

• Labs review validation and warnings

  mozilla/experimenter#17575 · Filter by author data-sync-user opened on Oct 1, 2026

• Labs integration tests

  mozilla/experimenter#17576 · Filter by author data-sync-user opened on Oct 1, 2026

• Labs enable, disable and pause workflows

  mozilla/experimenter#17574 · Filter by author data-sync-user opened on Oct 1, 2026

• Disable first run targeting for Labs on mobile

  mozilla/experimenter#17573 · Filter by author data-sync-user opened on Oct 1, 2026

• Labs UI skeleton with Labs card

  mozilla/experimenter#17572 · Filter by author data-sync-user opened on Oct 1, 2026

• Labs sequence diagrams

  mozilla/experimenter#17571 · Filter by author data-sync-user opened on Oct 1, 2026

• The client is not subscribed to the rollout when the rollout page is displayed with the old UI and the new delivery flag is enabled

  mozilla/experimenter#17564 · Filter by author data-sync-user opened on Oct 1, 2026
  2

• Update text for PrefFlip rollouts when user is requestor

  mozilla/experimenter#17528 · Filter by author data-sync-user opened on Sep 29, 2026

• [Rollout UI] Cancelling a "Disable rollout" review message mentions launching the delivery

  mozilla/experimenter#17523 · Filter by author data-sync-user opened on Sep 29, 2026

• [Rollout UI] Screenshot descriptions don't have a minimum size

  mozilla/experimenter#17522 · Filter by author data-sync-user opened on Sep 29, 2026

• Warn when a desktop messaging experiment's control message does not mirror the treatment message

  mozilla/experimenter#17515 · Filter by author jaredlockhart opened on Sep 28, 2026
  

• Warn when a desktop messaging experiment's control branch sends no message

  mozilla/experimenter#17514 · Filter by author jaredlockhart opened on Sep 28, 2026