Node.js 26 has been released, featuring the Temporal API enabled by default, an updated V8 engine to version 14.6, and the Undici HTTP client upgraded to 8.0. The release also removes deprecated legac

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Node.js 26 has been released with the Temporal API enabled by default (no experimental flag needed), the V8 engine updated to 14.6 with new helpers like Map.prototype.getOrInsert() and Iterator.concat(), and Undici bumped to 8.0. The release removes several legacy APIs including http.Server.prototype.writeHeader() and the _stream_* modules. NODE_MODULE_VERSION is now 147, requiring native add-ons to be rebuilt. Node.js 26 will remain the Current release for six months before entering LTS in October 2026, and is the last release under the old odd/even versioning schedule.

Node.js 26: Temporal API Enabled by Default, V8 14.6, and a Round of Deprecations