Issues

• H2: a session Node has reset for memory (ENHANCE_YOUR_CALM) stays in the pool and fails every later request

  nodejs/undici#6149 · Filter by author mishushakov opened on Nov 3, 2026

• ProxyAgent fails with IP-address HTTPS proxies on Node 26

  bug
  nodejs/undici#6144 · Filter by author mathieudutour opened on Nov 3, 2026

• HTTP/2: aborting fetch on an established session causes uncaught socket idle timeout

  bug
  nodejs/undici#6143 · Filter by author mathieudutour opened on Nov 3, 2026

• Pool hangs forever after a request is rejected while the protocol probe is pending (fresh Pool / after clientTtl rotation)

  nodejs/undici#6141 · Filter by author timothyliu opened on Nov 3, 2026

• Content-Length with trailing whitespace fails with UND_ERR_RES_CONTENT_LENGTH_MISMATCH (regression since #5124)

  nodejs/undici#6135 · Filter by author MattieTK opened on Nov 2, 2026

• setCookie turns finite out-of-range expires values into a Unix-epoch expiry

  nodejs/undici#6123 · Filter by author Roshanraj2580 opened on Nov 1, 2026

• fetch: errors from Node's bundled fetch have an empty stack

  nodejs/undici#6115 · Filter by author cpetrov opened on Oct 29, 2026

• formData() rejects a valid multipart body when a part contains the boundary text mid-line

  nodejs/undici#6112 · Filter by author mar-maradnus opened on Oct 29, 2026

• Aborting an unread data URL response throws an uncaught TypeError

  nodejs/undici#6110 · Filter by author vincentkoc opened on Oct 29, 2026
  1

• HTTP/2: Client never recovers when a request is dispatched during session teardown

  nodejs/undici#6106 · Filter by author Acache opened on Oct 27, 2026

• RetryHandler: option to retry only before response headers (disable mid-body resume)

  nodejs/undici#6095 · Filter by author atarutin opened on Oct 26, 2026

• extractBody: a byte-sequence body is enqueued again on each pull until the stream closes (since 8.12.0)

  nodejs/undici#6092 · Filter by author davi-pandektes opened on Oct 26, 2026
  1

• ProxyAgent: unsupported proxy scheme (e.g. socks5h:) reports "URL must start with http: or https:" even though socks5:/socks: are supported

  bug
  nodejs/undici#6082 · Filter by author petrroll opened on Oct 23, 2026

• v7.x: backport #5547, writeH1's setTypeOfService still throws an uncaught EINVAL on macOS (Node 24 LTS, undici 7.30.1)

  nodejs/undici#6075 · Filter by author kristofk opened on Oct 22, 2026

• HTTP/2 (default since v8): requests keep being dispatched onto a silently dead h2 session until headersTimeout, no PING health check

  nodejs/undici#6073 · Filter by author DLazaridis opened on Oct 22, 2026

• HTTP/2: requests dispatched around a graceful GOAWAY (lastStreamId = 2^31-1) stall or fail with "frameError" and are never requeued

  nodejs/undici#6064 · Filter by author mohamed-rdr opened on Oct 20, 2026
  1

• Add author information to package.json for automatic retrieval for SBOM

  enhancement
  nodejs/undici#6063 · Filter by author SmartHMI-OSS opened on Oct 20, 2026

• dns interceptor runs a DNS lookup for IPv6 literal origins and fails with ENOTFOUND

  nodejs/undici#6060 · Filter by author sebxt opened on Oct 20, 2026

• Pool permanently stalls after synchronous request validation errors

  bug
  nodejs/undici#6054 · Filter by author justsl opened on Oct 19, 2026

• Un-experimental DecompressInterceptor

  enhancement
  nodejs/undici#6046 · Filter by author domenic opened on Oct 17, 2026

• RFC: publish diagnostics_channel events for interceptor hops

  nodejs/undici#6043 · Filter by author 61465 opened on Oct 16, 2026
  4

• MockPool/MockClient cleanMocks() doesn't clear the interceptors that Node.js global fetch uses

  nodejs/undici#6013 · Filter by author Anoesj opened on Oct 14, 2026

• Node 22 fetch hangs forever on a broken gzip body

  bug
  nodejs/undici#5999 · Filter by author zaitsman opened on Oct 13, 2026
  1

• Undici WG meeting: let's fix our governance so we can resolve our disagreements

  tsc-agenda
  nodejs/undici#5989 · Filter by author mcollina opened on Oct 9, 2026
  6

• DNS interceptor does not deduplicate concurrent lookups for the same hostname

  bug
  nodejs/undici#5974 · Filter by author kholstinin opened on Oct 7, 2026