Cloudflare System Status

Durable Objects Failing To Wake From Hibernation

Incident Report for Cloudflare

Resolved

Issues with Durable Object hibernation have been resolved after completion of the rollback. Customers with affected Durable Objects do not need to take any action: impacted Objects have restarted and recovered automatically.
Posted Jul 04, 2025 - 08:49 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jul 04, 2025 - 07:58 UTC

Update

We are reverting a change that coincides with this issue. The rollback is currently in progress.
Posted Jul 04, 2025 - 06:52 UTC

Update

We are continuing to work on a fix for this issue.
Posted Jul 04, 2025 - 03:23 UTC

Identified

Some Durable Objects using the WebSocket Hibernation API are failing to call WebSocket::send() after waking from hibernation, which is preventing WebSocket messages from being delivered to clients.
we are now rolling out a fix.
Posted Jul 04, 2025 - 01:02 UTC

Investigating

We are investigating reports of Durable Objects having issues waking from Websocket hibernation.
Posted Jul 03, 2025 - 22:37 UTC
This incident affected: Cloudflare Sites and Services (Durable Objects).