Cloudflare incident

HTTP/3 issue affecting R2 custom domains

Cloudflare is currently experiencing a minor incident affecting R2, which began 8h ago. The vendor's full update timeline is below.

Started
Aug 31, 2026, 06:47 PM UTC
Resolved
Ongoing
Duration
● 7h 52m
Detected by Pingoru
Aug 31, 2026, 06:47 PM UTC

Affected components

R2

Update timeline

  1. investigating Aug 31, 2026, 06:47 PM UTC

    Some Firefox users may see delayed or failed asset loads on R2 custom domains due to an incorrect HTTP/3 advertisement. We are working on a fix.