What's Changed

• refactor: version cleanup by @tsctx in https://github.com/nodejs/undici/pull/2605
• cacheStorage: separate matchAll logic by @KhafraDev in https://github.com/nodejs/undici/pull/2599
• cleanup index by @KhafraDev in https://github.com/nodejs/undici/pull/2598
• feat: port balanced-pool, ca-fingerprint, client-abort tests to node:test by @sosukesuzuki in https://github.com/nodejs/undici/pull/2584
• ci: unpin nodejs workflow version by @dominykas in https://github.com/nodejs/undici/pull/2434
• test(#2600): Flaky debug test by @metcoder95 in https://github.com/nodejs/undici/pull/2607
• fix: h2 hang issue with empty body by @timursevimli in https://github.com/nodejs/undici/pull/2601
• Fix tests for Node.js v21 by @sosukesuzuki in https://github.com/nodejs/undici/pull/2609
• perf(cache): avoid Request and Response initialization by @tsctx in https://github.com/nodejs/undici/pull/2610
• Add more libraries to benchmarks by @mcollina in https://github.com/nodejs/undici/pull/2614
• feat: port client-connect, client-dispatch, client-errors test to node:test by @sosukesuzuki in https://github.com/nodejs/undici/pull/2591
• exit with 1 if WPT runner has unexpected errors by @KhafraDev in https://github.com/nodejs/undici/pull/2621
• Fix tests for Node.js v20.11.0 by @mcollina in https://github.com/nodejs/undici/pull/2618
• fix(mock-agent): split set-cookie by @tsctx in https://github.com/nodejs/undici/pull/2619
• feat: implement throwOnMaxRedirect option for RedirectHandler by @mertcanaltin in https://github.com/nodejs/undici/pull/2563
• test: fix flaky debug test by @metcoder95 in https://github.com/nodejs/undici/pull/2613
• fix: hide statusOutput if empty in handleRunnerCompletion by @Uzlopak in https://github.com/nodejs/undici/pull/2624
• docs: Fix typo in Debug.md by @Skn0tt in https://github.com/nodejs/undici/pull/2625
• fix(cache): set AbortSignal by @tsctx in https://github.com/nodejs/undici/pull/2612
• Use correct http Agent for node-fetch, axios, got and request by @mcollina in https://github.com/nodejs/undici/pull/2629

New Contributors

• @timursevimli made their first contribution in https://github.com/nodejs/undici/pull/2601
• @mertcanaltin made their first contribution in https://github.com/nodejs/undici/pull/2563
• @Skn0tt made their first contribution in https://github.com/nodejs/undici/pull/2625

Full Changelog: https://github.com/nodejs/undici/compare/v6.3.0...v6.4.0