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ProxyAgent: "Cannot read properties of undefined (reading 'origin')" in Agent#closeClientIfUnused for HTTP targets (regression in 8.7.0)

bugSomething isn't workingSomething isn't working

Status: Open.

#5529 In nodejs/undici;

· tonynelson19 opened on Jul 8, 2026

uncaughtException in unidici.request()

bugSomething isn't workingSomething isn't working

Status: Open.

#5525 In nodejs/undici;

· jeroen opened on Jul 8, 2026

HTTP/2: fetch POST hangs while an SSE stream is open

bugSomething isn't workingSomething isn't working

Status: Open.

#5524 In nodejs/undici;

· percederberg-mermaid opened on Jul 8, 2026

normalizeHeaders fails with opts.headers is not a valid header map depending on interceptor ordering

bugSomething isn't workingSomething isn't working

Status: Open.

#5522 In nodejs/undici;

· peterhirn opened on Jul 7, 2026

request() with a cross-realm FormData (e.g. Node's global) hangs forever instead of erroring; via the legacy globalDispatcher claim this also breaks undici v6 clients in the same process

Status: Open.

#5520 In nodejs/undici;

· Pyker opened on Jul 6, 2026

cache: unsafe-method invalidation does not invalidate Location / Content-Location URIs (RFC 9111 §4.4)

Status: Open.

#5509 In nodejs/undici;

· jeswr opened on Jul 4, 2026

cache: stale-if-error only honored for 500-504 responses, not connection/network errors (RFC 5861 §4)

Status: Open.

#5507 In nodejs/undici;

· jeswr opened on Jul 4, 2026

cache: response "must-revalidate" ignored when request has "max-stale" — stale served without validation (RFC 9111 §5.2.2.2)

Status: Open.

#5508 In nodejs/undici;

· jeswr opened on Jul 4, 2026

cache: revalidation sends If-Modified-Since derived from local insertion time instead of the stored Last-Modified (RFC 9110 §13.1.3)

Status: Open.

#5506 In nodejs/undici;

· jeswr opened on Jul 4, 2026

cache: 304 revalidation response never updates the stored entry on the synchronous path (RFC 9111 §4.3.4) — entry stays stale forever

Status: Open.

#5505 In nodejs/undici;

· jeswr opened on Jul 4, 2026

cache interceptor ignores request "Cache-Control: max-age=0" (falsy check) — breaks fetch(url, {cache:'no-cache'}) through composed cache dispatchers

Status: Open.

#5504 In nodejs/undici;

· jeswr opened on Jul 4, 2026

WebSocketStream: receive backpressure is not implemented — a slow consumer buffers every received message in memory

Status: Open.

#5503 In nodejs/undici;

· carlotestor opened on Jul 4, 2026