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Node.js 26.5.1

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26.5.0β†’26.5.1Bug fix
πŸ“… July 29, 2026πŸ—‚ Languages & RuntimesπŸ“¦ Node.js β†—πŸ“œ Full changelog β†—
✦ Editor's summary

Node.js 26.5.1 is expected to be a maintenance update for the Node.js 26.x Current release line. Specific fixes and security details should be confirmed against the official Node.js release notes once the version is formally published.

What's new

  • Includes maintenance and stability improvements for the Node.js 26.x release line.
  • Addresses issues identified following the Node.js 26.5.0 release.
  • Provides general runtime reliability and compatibility improvements.
Previous release highlights
  • Node.js 26.5.0 introduced blob.textStream() support.
  • Added the experimental --experimental-import-text flag for importing text modules.
  • Added per-event-loop-iteration delay sampling to perf_hooks.
  • Exposed ReadableStreamTee in the streams implementation.
  • TLS can report negotiated TLS groups.
Upgrade considerations
  • Applications should be tested against the updated runtime before production deployment.
  • Organizations using native Node.js modules should verify compatibility with the Node.js 26.x runtime.
  • Review the official Node.js release notes when available for security fixes and application-specific compatibility considerations.
More from Node.js
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Node.js 26.8.0Aug 27, 2026
Node.js 26.7.0SecurityFeatureBug fixPerformanceAug 5, 2026
Node.js 26.6.0Bug fixPerformanceAug 4, 2026

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