minorinvestigating

Cloudflare outage on 2026-08-31: HTTP/3 issue affecting R2 custom domains

Started
Resolved
Not yet resolved
Duration
Ongoing

Latest update from Cloudflare

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.

Cloudflare's own report for this incident

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