Provider
CloudflareIncident detail
HTTP/3 issue affecting R2 custom domains
Active incidentMinor1 affected service
Timeline window
Started
Get alerted the next time Cloudflare breaks
Free email alerts for the handful of vendors you cannot afford to miss. No card, live in about a minute. Paid plans add Slack, Teams, Discord, and webhook delivery across your whole stack, plus higher API quotas.
Timeline
Incident updates
Every update Cloudflare posted, oldest to newest, exactly as it appeared on their official status page.
Investigating
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.
Keep exploring
More from Cloudflare
Neighboring incidents on Cloudflare's timeline and the rest of their record on OutageDeck.