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.
A fix has been implemented and we are monitoring the results.
Posted Oct 23, 2024 - 16:07 UTC
Update
We are continuing to work on a fix for this issue.
Posted Oct 23, 2024 - 15:12 UTC
Identified
The issue has been identified and a fix is being implemented.
Posted Oct 23, 2024 - 14:05 UTC
Investigating
Cloudflare is investigating issues with the HTTP proxy component within Gateway. Users may experience increased latency through Gateway with origins that have ZSTD compression. We are working to understand the full impact and mitigate this problem. More updates to follow shortly
Posted Oct 23, 2024 - 13:36 UTC
This incident affected: Cloudflare Sites and Services (WARP).