Firebase incident

Webpush topic subscriptions may be getting throttled.

Major Resolved

Firebase experienced a major incident on December 17, 2025 affecting Cloud Messaging and Cloud Messaging (global), lasting 10h. The incident has been resolved; the full update timeline is below.

Started
Dec 17, 2025, 06:00 PM UTC
Resolved
Dec 18, 2025, 04:00 AM UTC
Duration
10h
Detected by Pingoru
Dec 17, 2025, 06:00 PM UTC

Affected components

Cloud MessagingCloud Messaging (global)

Update timeline

  1. investigating Dec 17, 2025, 11:58 PM UTC

    Webpush topic subscriptions may be throttled for some registrations. The team has identified a mitigation and is currently working on a fix.

  2. resolved Dec 18, 2025, 04:00 PM UTC

    The issue has been resolved. Please file a bug with Firebase support if you see any continued errors.