Unofficial and Honest Cloudflare System Status

Starting as early as at least 2022-10-26, users may experience a significant performance degradation when enabling HTTP/3 on their sites. Users are advised to disable HTTP/3 for better performance.

Update: Improvements have been made to HTTP/3 performance recently that greatly reduce the impact of this regression.


Sources:
Issues with "Ignore Query String" Cache Settings
Incident Report for Cloudflare
Resolved
An effective fix for this issue has been applied. This incident is now resolved.
Posted Jan 15, 2025 - 18:53 UTC
Identified
The issue has been identified and a fix is being implemented.
Posted Jan 15, 2025 - 15:03 UTC
Investigating
Cloudflare is aware of, and investigating an issue with changing the "Ignore Query String" cache settings. Existing configurations are working as expected. Further detail will be provided as more information becomes available.
Posted Jan 15, 2025 - 15:02 UTC
This incident affected: Cloudflare Sites and Services (CDN/Cache).