What's Changed

• feat: add proxy-agent by @RafaelGSS in https://github.com/nodejs/undici/pull/1070
• fix: avoid loading wasm on main thread by @ronag in https://github.com/nodejs/undici/pull/1075

New Contributors

• @RafaelGSS made their first contribution in https://github.com/nodejs/undici/pull/1070

Full Changelog: https://github.com/nodejs/undici/compare/v4.8.1...v4.8.2

What's Changed

• Avoid the stream/web warning in Node v16. by @mcollina in https://github.com/nodejs/undici/pull/1068

Full Changelog: https://github.com/nodejs/undici/compare/v4.8.0...v4.8.1

What's Changed

• Implements BalancedPool by @mcollina in https://github.com/nodejs/undici/pull/1064

Full Changelog: https://github.com/nodejs/undici/compare/v4.7.3...v4.8.0

What's Changed

• Support for Node v17 by @mcollina in https://github.com/nodejs/undici/pull/1063

Full Changelog: https://github.com/nodejs/undici/compare/v4.7.2...v4.7.3

What's Changed

• fix: don't rely on allowSyntheticDefaultImports by @RA80533 in https://github.com/nodejs/undici/pull/1059
• fix: update llhttp by @ronag in https://github.com/nodejs/undici/pull/1060

New Contributors

• @RA80533 made their first contribution in https://github.com/nodejs/undici/pull/1059

Full Changelog: https://github.com/nodejs/undici/compare/v4.7.1...v4.7.2

What's Changed

• Expose the socket in case of SocketError by @delvedor in https://github.com/nodejs/undici/pull/1041
• Add more diagnostic channels by @fatal10110 in https://github.com/nodejs/undici/pull/1036
• fix: Rename File.filename property to File.name by @octet-stream in https://github.com/nodejs/undici/pull/1044
• fix: Improve File and FormData types declarations. by @octet-stream in https://github.com/nodejs/undici/pull/1042
• docs: add basic example of fetch by @o-t-w in https://github.com/nodejs/undici/pull/1035
• Update .socket property of SocketError class by @delvedor in https://github.com/nodejs/undici/pull/1045
• perf: use bigger HWM by default by @ronag in https://github.com/nodejs/undici/pull/1038

New Contributors

• @fatal10110 made their first contribution in https://github.com/nodejs/undici/pull/1036
• @octet-stream made their first contribution in https://github.com/nodejs/undici/pull/1044
• @o-t-w made their first contribution in https://github.com/nodejs/undici/pull/1035

Full Changelog: https://github.com/nodejs/undici/compare/v4.6.0...v4.7.0

Fixes

• Simplify and fix assertion (#1033)
• Only pause on >=200 body (a48f9f009f88dbe3233507414216d068b47e711d)
• BodyMixin.arrayBuffer Buffer -> ArrayBuffer typedefs (#1025)
• FormData.set empties this[kState] if k exists (#1017) …
• Prioritize host header (#1007)
• Fetch response body may be undefined

Improvements

• Add blocking request option (#1034)
• Add experimental diagnostics channel (#1000)
• Improve code coverage of lib/fetch/headers.js (#1027)
• Avoid duplicate require (#1023)
• Add onInfo option (#977)

Fixes

• Accept undefined signal (#1004)
• Revert incorrect servername fix (#1005)
• Fetch request body null check (1973c626dc779b241e9db748a08a4f141f647ea8)

Improvements

• fetch types (#997)
• Add notes about gc spec compliance (#999)

Fixes

• Fix servername calculation (#993)
• Include final URL in redirect history (#994).

Improvements

• Lazy load llhttp (#989)

Fixes

• Follow fetch spec in regards to USVString (#986)

Improvements

• Support async iterable body in Request(eeadb5ec6e52c36df2230fcd4719215b42798fed)

Fixes

• decodedBodySize on failure (d244b90595fae421ca470434f6cb66621fe633ee)
• prefer stream.compose when available (32543652635c1d3e1d858680593a1b965f888bae)
• FormData File fixes (075d80a89297679f5e7f57c843b87d0930e556df)
• Improve test coverage

Improvements

• FormData (#961)

Improvements

• Add doc for url object (#970)

Fixes

• Redirect handler should not modify stream state (#973)
• Coverage reports (#972)
• Post with paused stream (#969)
• toWebReadable finishing too early (#962) …
• Various fetch fixes and spec compliance improvements.

Improvements

• Decompression support (#954)

Fixes

• Terminate fetch on gc (#950)
• request body.body regression (#955)
• Misc bug fixes and spec compliance improvements.

Improvements

• Experimental implementation of fetch standard (https://github.com/nodejs/undici/pull/928).

Improvements

• Implement body mixin on Readable (#907)
• Expose Connector in the public API (#906, #909)
• Improve connect option type definitions (#899)

Fixes

• Accept URL origin in Agent (#892)
• origin as optional parameter on Client and Pool types definitions (#901, #903)
• Broken link for examples on website (#897)

Improvements

• Creating util function to validate handlers (#894)

Fixes

• Always clear the connectTimeout (#896)
• Accept URL origin in Agent (#892)

Improvements

• connect option (#881, 104be9ce66167d010a6c5e87865715260bb92280, #887)
• Documentation and test for using client certificates (#890)
• Reduce code duplication (#891)
• Add onBodyChunkSent callback to dispatch (#847)
• Add documentation and types for request headerTimeout & bodyTimeout (3b669058282a29a218a3ba29709e60efb04bb347, #888)

Fixes

• Validate opts (ad2a490babc2687eaa49805d38ba2149a6d72360)
• Forward connectionError(5172fd98fbaa449cd2b85ccca8024d34458779a3)

Improvements

• Add support for request iterator body (#848)
• Same origin redirect (#781)

Fixes

• Add missing string[] option for passed headers (#836)
• Fix errors in documentation (#846)