Resolved after 10 hours, affecting Cloud Messaging and Cloud Messaging (global), on December 17, 2025.
The issue has been resolved. Please file a bug with Firebase support if you see any continued errors.
Affected components
Cloud MessagingCloud Messaging (global)
Update timeline
- 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.
- 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.
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