Issues

• node:dns lookup() returns CNAME records as IPv4/IPv6 LookupAddress entries

  cloudflare/workerd#6886 · Filter by author SJang1 opened on Jul 19, 2026
  1

• Workflow id initialized to a non-UUID

  cloudflare/workerd#6885 · Filter by author AmmarKhalid123 opened on Jul 17, 2026

• Include the creation stack trace in the "RPC stub/result was not disposed properly" warning

  cloudflare/workerd#6879 · Filter by author danieltroger opened on Jul 13, 2026

• feat: impl node:sqlite {Database,Statement}Sync with Durable Objects

  cloudflare/workerd#6878 · Filter by author LoneRifle opened on Jul 13, 2026

• Support MKCALENDAR requests at Worker ingress

  cloudflare/workerd#6877 · Filter by author cnharrison opened on Jul 12, 2026

• Buffer.prototype.utf8Write (and all other *Write methods) throw ERR_OUT_OF_RANGE when length is omitted and offset > 0`

  cloudflare/workerd#6875 · Filter by author jpreynat opened on Jul 10, 2026

• JS RPC: pipelined calls fail with "The RPC receiver does not implement the method" when a method returns a Proxy-wrapped RpcTarget (awaited stub works; path traversal already special-cases Proxies)

  cloudflare/workerd#6873 · Filter by author jonastemplestein opened on Jul 10, 2026

• 🚀 Feature Request: Source map support for Worker Loader (dynamic workers) stack traces

  cloudflare/workerd#6870 · Filter by author devxpy opened on Jul 8, 2026

• 🐛 Bug Report — Runtime APIs: setAlarm

  cloudflare/workerd#6866 · Filter by author buzinas opened on Jul 6, 2026

• Tail Workers implicitly activate node:diagnostics_channel publishers and add unrequested overhead

  cloudflare/workerd#6861 · Filter by author astanciu opened on Jul 6, 2026
  10

• Local dev: containers never start on hosts with net.ipv4.conf.all.src_valid_mark=1 (e.g. Tailscale) — sidecar handshake packets dropped as martians

  cloudflare/workerd#6860 · Filter by author Flo-90 opened on Jul 5, 2026

• Support caching HTTP QUERY (RFC 10008) responses, keyed on the request body

  cloudflare/workerd#6849 · Filter by author jeswr opened on Jun 30, 2026
  2

• Surface the embedded V8 version

  cloudflare/workerd#6848 · Filter by author filipfalcon opened on Jun 29, 2026

• Outbound fetch stalls ~30s on requests with Expect: 100-continue instead of sending the body (breaks AWS SDK S3 PutObject under nodejs_compat)

  cloudflare/workerd#6845 · Filter by author lukaso opened on Jun 27, 2026

• Testing issues

  cloudflare/workerd#6843 · Filter by author Uzet opened on Jun 24, 2026
  4

• Queues: producer-side limit failures throw untyped Error with no code — add typed errors + a size helper

  cloudflare/workerd#6834 · Filter by author alexander-zuev opened on Jun 21, 2026
  1

• 🐛 Bug Report — Runtime APIs: client disconnect no longer cancels async ReadableStream response body (regressed in 1.20260619.1, persists in 1.20260717.1)

  cloudflare/workerd#6832 · Filter by author cnluzhang opened on Jun 19, 2026
  1

• Long-running worker OOMs in a memory-limited container: major/unified GC never triggers under sustained load (no cgroup-aware heap limit)

  cloudflare/workerd#6824 · Filter by author com6056 opened on Jun 17, 2026
  1

• Errored response-body streams terminate cleanly instead of aborting, silently truncating the response

  cloudflare/workerd#6818 · Filter by author mikepage opened on Jun 16, 2026
  1

• Garbled Unicode when logging Error.message with non-ASCII characters (e.g. Chinese UTF-8)

  cloudflare/workerd#6817 · Filter by author powfan opened on Jun 16, 2026

• Date.now() and process.hrtime() return wall clock at top-level (global scope) in wrangler dev / Miniflare, but 0 in deployed workerd

  Bug

  cloudflare/workerd#6839 · Filter by author JeremyFunk opened on Jun 15, 2026
  2

• 🐛 Bug Report — Runtime APIs: Facet ctx.storage.setAlarm() silently breaks SQLite-backed DO actor in local dev

  cloudflare/workerd#6810 · Filter by author firtoz opened on Jun 13, 2026
  1

• Devcontainer fails to build on Apple Silicon (arm64) due to trixie base image

  cloudflare/workerd#6808 · Filter by author tomashobza opened on Jun 12, 2026

• JsRpcStub destructor crashes workerd via CaptureDetailedStackTrace during V8 GC epilogue (SIGTRAP)

  Bug

  cloudflare/workerd#6842 · Filter by author ptim opened on Jun 12, 2026
  2

• content-length header dropped on HTTP/3 requests

  Bug

  cloudflare/workerd#6830 · Filter by author alukach opened on Jun 11, 2026