Firebase: Webpush topic subscriptions may be getting throttled.
Affected components: Cloud Messaging
Timeline of updates
- service disruption
Webpush topic subscriptions may be throttled for some registrations. The team has identified a mitigation and is currently working on a fix.
- resolved
The issue has been resolved. Please file a bug with Firebase support if you see any continued errors.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-19 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
0639fed49731063a…
Impact, status and times are the vendor’s own, as last archived. View on status.firebase.google.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Firebase, started 2025-12-17 18:00 UTC, resolved after 10 h, 2 update(s).
- Title
- Webpush topic subscriptions may be getting throttled.
- Vendor
- Firebase
- Date
- URL
- https://rewindex.com/company/firebase/incidents/wps4a59cjhcgjjbvy4ms
Firebase profileRecent Firebase incidentsAll outages on December 17, 2025Firebase in December 2025MarkdownJSON