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🐛 Bug Report — Durable Objects with hibernatable WebSockets fail to hibernate when two connections are established near-simultaneously

Status: Open.

#6862 In cloudflare/workerd;

· apeacock1991 opened on Jul 6, 2026

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

Status: Open.

#6861 In cloudflare/workerd;

· astanciu opened on Jul 6, 2026

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

Status: Open.

#6860 In cloudflare/workerd;

· Flo-90 opened on Jul 5, 2026

🐛 Bug: cross-Worker invocation of a [restore]()-backed persistent stub hangs at 0 CPU

Status: Open.

#6854 In cloudflare/workerd;

· ndisidore opened on Jul 2, 2026

🐛 Bug: ctx.id.name is undefined in DO alarm handlers after the actor is evicted (local dev)

Status: Open.

#6850 In cloudflare/workerd;

· apeacock1991 opened on Jul 1, 2026

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

Status: Open.

#6849 In cloudflare/workerd;

· jeswr opened on Jun 30, 2026

Surface the embedded V8 version

Status: Open.

#6848 In cloudflare/workerd;

· 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)

Status: Open.

#6845 In cloudflare/workerd;

· lukaso opened on Jun 27, 2026

Testing issues

Status: Open.

#6843 In cloudflare/workerd;

· Uzet opened on Jun 24, 2026

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

Status: Open.

#6834 In cloudflare/workerd;

· alexander-zuev opened on Jun 21, 2026

🐛 Bug Report — Runtime APIs: client disconnect no longer cancels async ReadableStream response body (regressed in 1.20260619.1, persists in 1.20260701.1)

Status: Open.

#6832 In cloudflare/workerd;

· cnluzhang opened on Jun 19, 2026

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

Status: Open.

#6824 In cloudflare/workerd;

· com6056 opened on Jun 17, 2026