Node.js — Node.js v20.19.6 (LTS)
Node.js v20.19.6 "Iron" (LTS) — Release Notes
Author: Marco Ippolito
Release date: 2025-11-25
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📌 Notable Changes
- [6277910a15] crypto: Updated root certificates to NSS 3.114 (Node.js GitHub Bot) — #59571
- [082e50d4a2] docs: Updated instructions on verifying releases (Antoine du Hamel) — #59113
- [db68cec4cb] docs: Deprecated HTTP/2 priority signaling (Matteo Collina) — #58313
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🔨 Build & Platform Improvements
- [0f644df42e] build: Fixed `implicit-function-declaration` on OpenHarmony — #59547
- [fba0025b9c] build: Adopt Windows-2025 CI runner — #59673
- [3456ec946d] crypto: Updated root certificates to NSS 3.116 — #59956
- [1788fb5f3d] deps: Updated undici to v6.22.0 — #60112
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📦 Dependencies & Security Updates
- Updates to uvwasi v0.0.23, histogram v0.11.9, googletest, Corepack 0.34.1, OpenSSL 3.0.17, and V8 cherry-picks.
- Multiple dependency version bumps — see commit list for details.
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📚 Documentation Enhancements
- Typos resolved in `child_process.md` and microtask order section.
- Added security escalation policy & incident response plan.
- Clarified experimental platform vulnerability policy.
- Deprecated HTTP/2 priority signaling documentation.
- Clarified stability labels in index.
- History entries added to `--input-type` section.
- Bug fix in `http2` mismatched ping buffer handling.
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🛠 Meta & Process Changes
- CI workflow bump for GitHub Actions and related security actions.
- Improvements to module detection for `top-level await`.
- `process` async context fix under strict unhandled-rejection mode.
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⚡ REPL & Source Improvements
- Reduced CPU load on large paste inputs.
- Additional validity checks for parentheses.
- Order fix for null checks and dereference calls.
- Removed duplicate file constant assignments.
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✅ Test Suite Adjustments
- SEA test skips and flake handling across macOS, Linux ppc64le, and Windows.
- Updated punctuation and skip logic in `test_runner`.
- CI runner updates, removing deprecated macOS-13 runner.
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🧰 Tooling Fixes
- Makefile updates for clang.
- `numericSeparator` parsing fix with negative fractional numbers.
- Improved error formatting in `util.inspect`.
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📥 Download Links
Windows Installers:
Windows Binaries:
macOS:
Linux & Other Platforms:
(See full list in original release page — includes PPC64LE, S390x, ARMv7/8, AIX.)
Source Code: node-v20.19.6.tar.gz
Docs: API Reference
Full File List: Index
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🔑 SHASUMS (Integrity Verification)
To verify your download:
sha256sum your-downloaded-file.tar.gzCompare against the official SHA256 values listed in the release SHASUMS.
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📢 Content Creator Note
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PGP Signature Validation Available — ensuring authenticity and security of downloaded artifacts.
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✅ Next Release: Node.js v25.2.1 (Current) — contains incremental improvements and bug fixes.
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