Issues

• One alarm emits ~120 identical "this Durable Object instance is no longer active" writes from ContainerState.setStopped

  cloudflare/containers#261 · Filter by author magicismight opened on Oct 7, 2026

• Intercept entries from refused starts are never released; SDK spends 4 entries per static host in intercept-all mode

  cloudflare/containers#260 · Filter by author emretinaztepe opened on Oct 6, 2026

• Unhandled rejection when the constructor-time applyOutboundInterception() fails (container already running)

  cloudflare/containers#259 · Filter by author demtario opened on Oct 1, 2026

• Unhandled rejection when a client cancels a proxied response body (distinct from #241 / #242)

  cloudflare/containers#258 · Filter by author schalkd opened on Sep 24, 2026

• Increasing instance-acquisition delay during rapid Container destroy/start cycles

  cloudflare/containers#257 · Filter by author tanftw opened on Sep 24, 2026

• Published source maps reference omitted TypeScript sources

  cloudflare/containers#256 · Filter by author berend-vrakking opened on Sep 20, 2026

• onStop() never fires when a rollout replaces a container: exit-reason substring misses the runtime's rollout message

  cloudflare/containers#253 · Filter by author tkoehlerlg opened on Sep 7, 2026

• /dev/shm is mounted, then shadowed by a later devtmpfs mount on /dev — breaks POSIX shared memory for non-root images

  cloudflare/containers#252 · Filter by author alsey89 opened on Sep 7, 2026

• static outbound = ... (the documented form) silently fails to register under ES2022+ class-field semantics

  cloudflare/containers#247 · Filter by author iMagdy opened on Aug 21, 2026
  3

• Container never sleeps after a client abandons a body-bearing response: inflightRequests leaks and sleepAfter renews forever

  cloudflare/containers#242 · Filter by author NickBrooks opened on Aug 16, 2026
  1

• inflightRequests leaks on client-aborted proxied requests — container never stops and bills indefinitely

  cloudflare/containers#241 · Filter by author noorderling-nl opened on Aug 14, 2026

• Completed rollout never replaces a DO-addressed container instance; it keeps serving the old image (single-instance app)

  cloudflare/containers#233 · Filter by author DrDMo opened on Jul 10, 2026

• Container reported not-running / crashed while genuinely alive during slow startup, even with an immediate placeholder port

  cloudflare/containers#232 · Filter by author oliver-sturrock opened on Jul 8, 2026
  3

• Containers local dev on WSL2 (kernel 6.18.x): app container never created, only egress proxy-everything sidecar; 'Container failed to start'

  cloudflare/containers#231 · Filter by author ousszizou opened on Jul 3, 2026

• Worker region hints break outbound interception

  cloudflare/containers#226 · Filter by author neekolas opened on Jun 17, 2026
  

• Egress interceptor close-delimits no-Content-Length responses (drops chunked framing, no TLS close_notify) → breaks strict TLS (rustls) clients

  cloudflare/containers#220 · Filter by author juanibiapina opened on Jun 10, 2026

• Won't rollback to previous healthy deployment automatically.

  cloudflare/containers#198 · Filter by author berkaytheunicorn opened on May 4, 2026

• Sometimes getting "start container" warning/error between deployments.

  cloudflare/containers#197 · Filter by author berkaytheunicorn opened on May 4, 2026

• Runtime per-host outbound overrides with interceptHttps intercept all HTTPS, breaking HTTP/2/gRPC egress

  cloudflare/containers#195 · Filter by author neekolas opened on May 3, 2026

• Alarm scheduler fires at sub-second cadence while WS upgrades cancel at 0ms — DO becomes functionally unreachable for WebSocket traffic

  cloudflare/containers#189 · Filter by author quantizor opened on Apr 22, 2026

• Development logging improvements

  cloudflare/containers#178 · Filter by author AggressivelyMeows opened on Apr 9, 2026

• Update dependencies to get the new alarm() handler properties that are released in @cloudflare/workers-types@4.20260329.1.

  cloudflare/containers#167 · Filter by author petebacondarwin opened on Mar 30, 2026
  1

• Response body unreadable ('internal error') when Container DO is called via service binding from another worker

  cloudflare/containers#161 · Filter by author seawatts opened on Mar 9, 2026

• Mounting /tmp as tmpfs?

  cloudflare/containers#160 · Filter by author Niek opened on Mar 5, 2026

• Cloudflare Containers (Wrangler/Miniflare) local dev failures: container port not found, Monitor failed to find container, and missing cloudflare-dev/* images

  cloudflare/containers#155 · Filter by author diadal opened on Feb 23, 2026