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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

Importing undici v8 silently breaks Node's bundled fetch via the legacy globalDispatcher bridge (v8's stricter core Request rejects opts the bundled v6 core accepts — e.g. request-set Content-Length)

Status: Open.

#5500 In nodejs/undici;

· jeswr opened on Jul 4, 2026

HTTP2 POST requests over fetch() to the same origin can't run concurrently

bugSomething isn't workingSomething isn't working

Status: Open.

#5494 In nodejs/undici;

· wgoodall01 opened on Jul 2, 2026

Idle-socket validation adds ~1.3ms to every keep-alive request reuse (setTimeout(0) in scheduleIdleSocketValidation)

Status: Open.

#5493 In nodejs/undici;

· carlotestor opened on Jul 2, 2026

removeAbortListener is not a function regression in v8.4.0

bugSomething isn't workingSomething isn't working

Status: Open.

#5486 In nodejs/undici;

· mix4242 opened on Jul 2, 2026

Support for HTTP/3 (QUIC)

Status: Open.

#5471 In nodejs/undici;

· jeswr opened on Jun 30, 2026