Issues

• 🐛 Bug Report: subrequest analytics record timeToResponseUs as -1 on requestOutcome "unknown", so the dashboard shows 18446744000000s latency

  cloudflare/workerd#7583 · Filter by author j03l opened on Sep 30, 2026

• Windows workerd 1.20260515.1 — isolated Miniflare startup access violation 0xc0000005

  cloudflare/workerd#7581 · Filter by author spencercharlesw-pixel opened on Sep 30, 2026

• 🐛 Bug Report — Runtime APIs: [1.20260929.1 regression] a single console.log() from any worker crashes the whole workerd process and every co-hosted worker

  cloudflare/workerd#7576 · Filter by author cnluzhang opened on Sep 29, 2026
  1

• 🐛 Bug Report — Runtime APIs: Durable Object facet subrequest limit persists across invocations

  cloudflare/workerd#7572 · Filter by author t-kouyama opened on Sep 29, 2026

• Hibernatable WebSocket: server-initiated close leaves the connection open for 10 s if the client never sent a data frame

  cloudflare/workerd#7566 · Filter by author tm0h opened on Sep 29, 2026

• 🐛 Bug Report — Runtime APIs: Workers Logs omits a native Error logged after a structured object

  cloudflare/workerd#7537 · Filter by author alexminza opened on Sep 26, 2026

• Idle Durable Object is aborted with "the IoContext has no current IncomingRequest" when one of its promises settles from another request

  cloudflare/workerd#7517 · Filter by author FNDEVVE opened on Sep 25, 2026
  1

• "Unable to deserialize cloned data…" / "internal error; reference = …" intermittently on dynamic worker facets

  cloudflare/workerd#7485 · Filter by author jonastemplestein opened on Sep 23, 2026
  1

• Rpc.Serializable rejects ReadonlyMap and ReadonlySet, silently collapsing Durable Object RPC methods to never

  types
  cloudflare/workerd#7482 · Filter by author kana001-bit opened on Sep 23, 2026
  1

  

• Whole-database quick_check fails with SQLITE_NOMEM as an empty schema grows

  cloudflare/workerd#7439 · Filter by author NHMotorcycles opened on Sep 19, 2026

• Support invocation-scoped async native filesystem providers for managed Python Dynamic Workers

  cloudflare/workerd#7432 · Filter by author kamilio opened on Sep 18, 2026
  1

• workerd-linux-64: Cap'n Proto IPC stream desynchronization (traversalLimitInWords exceeded) following high-volume internal DO RPC calls under Miniflare

  cloudflare/workerd#7401 · Filter by author natew opened on Sep 17, 2026
  1

• ActorSqlite: a parked move-later alarm is applied after a commit moved the stored alarm earlier, leaving the scheduled alarm later than the stored one

  cloudflare/workerd#7330 · Filter by author PeterMHammond opened on Sep 12, 2026
  1

• Socket.close() by the caller of a service-binding connect() is not delivered to the callee

  cloudflare/workerd#7315 · Filter by author guybedford opened on Sep 11, 2026

• Same-socket pipeTo echo over a service binding deadlocks a client that awaits write() before reading

  cloudflare/workerd#7314 · Filter by author guybedford opened on Sep 11, 2026

• CF Pages WebSocket-only Worker intermittently fails with "Network connection lost" and "hung" after returning 101

  cloudflare/workerd#7312 · Filter by author tangdeyi11 opened on Sep 11, 2026

• node:net Socket._unrefTimer loses the timer id, so socket timeouts can never be cleared (leaks timers and 'timeout' listeners)

  cloudflare/workerd#7310 · Filter by author daviesayo opened on Sep 10, 2026

• docs: suggest adding compatibility date migration guide to README

  cloudflare/workerd#7282 · Filter by author fedbfreg opened on Sep 9, 2026

• 🐛 Bug Report — Runtime APIs: RPC Response stream errors and truncated HTTP 200 bodies

  cloudflare/workerd#7277 · Filter by author acchou opened on Sep 8, 2026

• An isolate stays in rotation after an invocation is terminated for exceeding resource limits, so any stranded module-scope state poisons every later request

  cloudflare/workerd#7276 · Filter by author MarnusCoetzee opened on Sep 8, 2026

• Africa/Casablanca and Africa/El_Aaiun still resolve to UTC+01 after the 2026-09-20 switch (embedded tzdata predates IANA 2026c)

  cloudflare/workerd#7256 · Filter by author vahidshaik1901 opened on Sep 6, 2026
  1

• Constructing an Error in workerd costs time in proportion to the size of the enclosing function

  cloudflare/workerd#7245 · Filter by author agcty opened on Sep 4, 2026

• 🐛 Bug Report — httpx via Cloudflare Python Worker drops User-Agent headers

  cloudflare/workerd#7242 · Filter by author jGowgiel opened on Sep 4, 2026
  4

• HTMLRewriter reports handled source-stream errors as uncaught

  cloudflare/workerd#7240 · Filter by author jasnell opened on Sep 4, 2026
  1

• HTMLRewriter cancellation emits a spurious uncaught rejection with TypeScript streams

  cloudflare/workerd#7239 · Filter by author jasnell opened on Sep 4, 2026
  1