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RELEASE NOTESOPENJS FOUNDATIONVERIFIED

PUBLISHER UPDATE · NODEJS-26.11.0

NODEJS-26.11.0 release notes and known issues

2026-10-07, Version 26.11.0 (Current), @aduh95

Scope: Node.js. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Notable Changes [ 232f178825 ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ 27778036de ] - (SEMVER-MINOR) buffer : add Buffer.stringLength() (Matteo Collina) #66064 [ 4f84c4bda2 ] - build, doc : move to redesign (Aviv Keller) #62045 [ 6f6296fef9 ] - (SEMVER-MINOR) doc : promote Alpine Linux to tier 2 support (Stewart X Addison) #63737 [ e998d260d0 ] - (SEMVER-MINOR) http : add isValidHeaderName() and isValidHeaderValue() (James M Snell) #66334 [ 7702a50e08 ] - (SEMVER-MINOR) http2 : add connectionWindowSize option (Tim Perry) #65619 [ e06aa62cec ] - (SEMVER-MINOR) perf_hooks : fix truncation of monitorEventLoopDelay() resolution (James M Snell) #66115 [ ee126e37e8 ] - (SEMVER-MINOR) perf_hooks : allow RecordableHistogram to record 0 (James M Snell) #66114 [ 1fef8f54db ] - (SEMVER-MINOR) perf_hooks : add histogram.diff() (James M Snell) #66099 [ f1b9758c4e ] - (SEMVER-MINOR) perf_hooks : add histogram.snapshot() (James M Snell) #66099 [ 291d56ea3e ] - (SEMVER-MINOR) perf_hooks : harden histogram CBOR import validation (James M Snell) #66098 [ 6299b09d5c ] - (SEMVER-MINOR) process : graduate process.ref / unref to stable (James M Snell) #66213 [ 41d6707b63 ] - (SEMVER-MINOR) sqlite : rename DatabaseSync and StatementSync (Guilherme Araújo) #65988 [ 60d0aa0cd4 ] - (SEMVER-MINOR) src : add --process-timeout=N (James M Snell) #66138 [ f39916a7e3 ] - (SEMVER-MINOR) src : expose size and count in heap profile output (Ilyas Shabi) #65737 [ 0b00d5ea59 ] - (SEMVER-MINOR) src : let embedders exempt linked bindings from the addon permission (Shelley Vohr) #66067 Commits [ 11c3d7115d ] - benchmark : add implicit-framing case to http/set-header (Matteo Collina) #66420 [ 168b764fec ] - benchmark : add zstdCompress benchmark (James Ross) #66358 [ 69182564a7 ] - benchmark : add a node::MakeCallback benchmark (Nigro Simone) #66316 [ 12e540582f ] - (SEMVER-MINOR) benchmark : add http header validator benchmark (James M Snell) #66334 [ e6abdf6b01 ] - benchmark : remove duplicate ffi string length direct (Donghoon Kang) #66278 [ 480ca7cc55 ] - benchmark : fix shadowing that broke h=20 on incoming_headers benchmark (Tim Perry) #66257 [ c6bbc1b128 ] - benchmark : cover Web Crypto conversion costs (Filip Skokan) #66237 [ 85a2e4e270 ] - benchmark : remove duplicate ffi add-64 benchmark (Soul Lee) #66121 [ d0a72f2c12 ] - buffer : fix negative index for large buffers (Hilary Asogwa) #66325 [ b7f6a66a9f ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ 232f178825 ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ f7d3d11c11 ] - buffer : fix odd UTF-16LE indexOf start (Yuya Inoue) #65960 [ 27778036de ] - (SEMVER-MINOR) buffer : add Buffer.stringLength() (Matteo Collina) #66064 [ 9f1db461d2 ] - build : update common.gypi for z/OS (Gaby Baghdadi) #66449 [ 0002037b3f ] - build : update configure.py for z/OS (Gaby Baghdadi) #66449 [ a341ac460a ] - build : fix vcbuild format-md install and exit (Ved Chaudhari) #66475 [ bec52d9103 ] - build : fix vcbuild lint skipping lint-md-build (Ved Chaudhari) #66467 [ 9acdb5910c ] - build : toggle doc-kit verbosity based on V (Brian Muenzenmeyer) #66293 [ 6ee32f857a ] - build : support LIEF 0.17.x and 1.x (Yuya Inoue) #66240 [ 2248869955 ] - build : add clang support for pgo on macOS/Linux (Chengzhong Wu) #66136 [ 49069529eb ] - build : add GZIP_COMPRESSION Make variable (inoway46) #66228 [ 9066d33aa2 ] - build : port make_temporal_zoneinfo_cpp to GYP (Antoine du Hamel) #66183 [ 1f4a8fb1cb ] - build : add v8_enable_temporal_systemicu (Steven R. Loomis) #65992 [ 4f84c4bda2 ] - build, doc : move to redesign (Aviv Keller) #62045 [ a0e7141ffc ] - child_process : build the default env block in one native pass (Shelley Vohr) #65325 [ 9fa31096d4 ] - crypto : improve random synchronous number generation performance (Mert Can Altin) #66348 [ 53cde9d1f8 ] - crypto : fix raw key export error for wrong key type (한국) #66217 [ 32ba6d5ada ] - crypto : use backend cSHAKE and KMAC (Filip Sk

Improvements and security content

  • Notable Changes [ 232f178825 ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ 27778036de ] - (SEMVER-MINOR) buffer : add Buffer.stringLength() (Matteo Collina) #66064 [ 4f84c4bda2 ] - build, doc : move to redesign (Aviv Keller) #62045 [ 6f6296fef9 ] - (SEMVER-MINOR) doc : promote Alpine Linux to tier 2 support (Stewart X Addison) #63737 [ e998d260d0 ] - (SEMVER-MINOR) http : add isValidHeaderName() and isValidHeaderValue() (James M Snell) #66334 [ 7702a50e08 ] - (SEMVER-MINOR) http2 : add connectionWindowSize option (Tim Perry) #65619 [ e06aa62cec ] - (SEMVER-MINOR) perf_hooks : fix truncation of monitorEventLoopDelay() resolution (James M Snell) #66115 [ ee126e37e8 ] - (SEMVER-MINOR) perf_hooks : allow RecordableHistogram to record 0 (James M Snell) #66114 [ 1fef8f54db ] - (SEMVER-MINOR) perf_hooks : add histogram.diff() (James M Snell) #66099 [ f1b9758c4e ] - (SEMVER-MINOR) perf_hooks : add histogram.snapshot() (James M Snell) #66099 [ 291d56ea3e ] - (SEMVER-MINOR) perf_hooks : harden histogram CBOR import validation (James M Snell) #66098 [ 6299b09d5c ] - (SEMVER-MINOR) process : graduate process.ref / unref to stable (James M Snell) #66213 [ 41d6707b63 ] - (SEMVER-MINOR) sqlite : rename DatabaseSync and StatementSync (Guilherme Araújo) #65988 [ 60d0aa0cd4 ] - (SEMVER-MINOR) src : add --process-timeout=N (James M Snell) #66138 [ f39916a7e3 ] - (SEMVER-MINOR) src : expose size and count in heap profile output (Ilyas Shabi) #65737 [ 0b00d5ea59 ] - (SEMVER-MINOR) src : let embedders exempt linked bindings from the addon permission (Shelley Vohr) #66067 Commits [ 11c3d7115d ] - benchmark : add implicit-framing case to http/set-header (Matteo Collina) #66420 [ 168b764fec ] - benchmark : add zstdCompress benchmark (James Ross) #66358 [ 69182564a7 ] - benchmark : add a node::MakeCallback benchmark (Nigro Simone) #66316 [ 12e540582f ] - (SEMVER-MINOR) benchmark : add http header validator benchmark (James M Snell) #66334 [ e6abdf6b01 ] - benchmark : remove duplicate ffi string length direct (Donghoon Kang) #66278 [ 480ca7cc55 ] - benchmark : fix shadowing that broke h=20 on incoming_headers benchmark (Tim Perry) #66257 [ c6bbc1b128 ] - benchmark : cover Web Crypto conversion costs (Filip Skokan) #66237 [ 85a2e4e270 ] - benchmark : remove duplicate ffi add-64 benchmark (Soul Lee) #66121 [ d0a72f2c12 ] - buffer : fix negative index for large buffers (Hilary Asogwa) #66325 [ b7f6a66a9f ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ 232f178825 ] - (SEMVER-MINOR) buffer : add isLatin1 (James M Snell) #66298 [ f7d3d11c11 ] - buffer : fix odd UTF-16LE indexOf start (Yuya Inoue) #65960 [ 27778036de ] - (SEMVER-MINOR) buffer : add Buffer.stringLength() (Matteo Collina) #66064 [ 9f1db461d2 ] - build : update common.gypi for z/OS (Gaby Baghdadi) #66449 [ 0002037b3f ] - build : update configure.py for z/OS (Gaby Baghdadi) #66449 [ a341ac460a ] - build : fix vcbuild format-md install and exit (Ved Chaudhari) #66475 [ bec52d9103 ] - build : fix vcbuild lint skipping lint-md-build (Ved Chaudhari) #66467 [ 9acdb5910c ] - build : toggle doc-kit verbosity based on V (Brian Muenzenmeyer) #66293 [ 6ee32f857a ] - build : support LIEF 0.17.x and 1.x (Yuya Inoue) #66240 [ 2248869955 ] - build : add clang support for pgo on macOS/Linux (Chengzhong Wu) #66136 [ 49069529eb ] - build : add GZIP_COMPRESSION Make variable (inoway46) #66228 [ 9066d33aa2 ] - build : port make_temporal_zoneinfo_cpp to GYP (Antoine du Hamel) #66183 [ 1f4a8fb1cb ] - build : add v8_enable_temporal_systemicu (Steven R. Loomis) #65992 [ 4f84c4bda2 ] - build, doc : move to redesign (Aviv Keller) #62045 [ a0e7141ffc ] - child_process : build the default env block in one native pass (Shelley Vohr) #65325 [ 9fa31096d4 ] - crypto : improve random synchronous number generation performance (Mert Can Altin) #66348 [ 53cde9d1f8 ] - crypto : fix raw key export error for wrong key type (한국) #66217 [ 32ba6d5ada ] - crypto : use backend cSHAKE and KMAC (Filip Sk

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Node.js

Affected versions

  • 26.11.0
  • 0.17

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

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Official publisher evidence

OPENJS FOUNDATIONVERIFIED

2026-10-07, Version 26.11.0 (Current), @aduh95

Checked 11 Nov 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source