2026-04-28, Version 26.0.0 (Current)

assert:
  * (SEMVER-MAJOR) allow printf-style messages as assertion error (Ruben Bridgewater) #58849
build:
  * (SEMVER-MAJOR) enable V8_VERIFY_WRITE_BARRIERS in debug build (Joyee Cheung) #61898
  * (SEMVER-MAJOR) reset embedder string to "-node.0" (Michaël Zasso) #61898
  * (SEMVER-MAJOR) target Power 9 for AIX/IBM i (Richard Lau) #62296
  * (SEMVER-MAJOR) drop support for Python 3.9 (Mike McCready) #61177
  * (SEMVER-MAJOR) enable maglev for Linux on s390x (Richard Lau) #60863
  * (SEMVER-MAJOR) reset embedder string to "-node.0" (Michaël Zasso) #60488
  * (SEMVER-MAJOR) reset embedder string to "-node.0" (Michaël Zasso) #60111
build,test:
  * (CVE-2026-21717) (SEMVER-MAJOR) test array index hash collision (Joyee Cheung) #61898
crypto:
  * (SEMVER-MAJOR) unify asymmetric key import through KeyObjectHandle::Init (Filip Skokan) #62499
  * (SEMVER-MAJOR) runtime-deprecate DEP0203 and DEP0204 (Filip Skokan) #62453
  * (SEMVER-MAJOR) decorate async crypto job errors with OpenSSL error details (Filip Skokan) #62348
  * (SEMVER-MAJOR) default ML-KEM and ML-DSA pkcs8 export to seed-only format (Filip Skokan) #62178
  * (SEMVER-MAJOR) move DEP0182 to End-of-Life (Tobias Nießen) #61084
  * (SEMVER-MAJOR) fix DOMException name for non-extractable key error (Filip Skokan) #60830
deps:
  * (SEMVER-MAJOR) fix V8 race condition for AIX (Abdirahim Musse) #61898
  * (SEMVER-MAJOR) V8: cherry-pick cd2c216e7658 (LuYahan) #61898
  * (SEMVER-MAJOR) V8: backport 088b7112e7ab (Igor Sheludko) #61898
  * (SEMVER-MAJOR) V8: cherry-pick 00f6e834029f (Joyee Cheung) #61898
  * (SEMVER-MAJOR) V8: backport bef0d9c1bc90 (Joyee Cheung) #61898
  * (SEMVER-MAJOR) V8: cherry-pick cf1bce40a5ef (Richard Lau) #61898
  * (SEMVER-MAJOR) V8: cherry-pick daf4656ba85e (Milad Fa) #61898
  * (SEMVER-MAJOR) V8: cherry-pick d83f479604c8 (Joyee Cheung) #61898
  * (SEMVER-MAJOR) V8: cherry-pick edeb0a4fa181 (Joyee Cheung) #61898
  * (SEMVER-MAJOR) V8: cherry-pick aa0b288f87cc (Richard Lau) #61898
  * (SEMVER-MAJOR) patch V8 to fix Windows build (StefanStojanovic) #61898
  * (SEMVER-MAJOR) V8: cherry-pick highway@989a498fdf3 (Richard Lau) #61898
  * (SEMVER-MAJOR) support madvise(3C) across ALL illumos revisions (Dan McDonald) #61898
  * (SEMVER-MAJOR) patch V8 for illumos (Dan McDonald) #61898
  * (SEMVER-MAJOR) remove problematic comment from v8-internal (Michaël Zasso) #61898
  * (SEMVER-MAJOR) define V8_PRESERVE_MOST as no-op on Windows (Stefan Stojanovic) #61898
  * (SEMVER-MAJOR) patch V8 to avoid duplicated zlib symbol (Michaël Zasso) #61898
  * (SEMVER-MAJOR) update V8 to 14.6.202.33 (Michaël Zasso) #61898
  * (SEMVER-MAJOR) update undici to 8.0.2 (Node.js GitHub Bot) #62384
  * (SEMVER-MAJOR) V8: backport 151d0a44a1b2 (Abdirahim Musse) #60488
  * (SEMVER-MAJOR) V8: cherry-pick 47800791b35c (Jakob Kummerow) #60488
  * (SEMVER-MAJOR) patch V8 for illumos (Dan McDonald) #59805
  * (SEMVER-MAJOR) use std::map in MSVC STL for EphemeronRememberedSet (Joyee Cheung) #58070
  * (SEMVER-MAJOR) remove problematic comment from v8-internal (Michaël Zasso) #58070
  * (SEMVER-MAJOR) patch V8 to avoid duplicated zlib symbol (Michaël Zasso) #54077
  * (SEMVER-MAJOR) update V8 to 14.3.127.12 (Michaël Zasso) #60488
  * (SEMVER-MAJOR) V8: cherry-pick ff34ae20c8e3 (Chengzhong Wu) #60111
  * (SEMVER-MAJOR) V8: backport fed47445bbdd (Abdirahim Musse) #60111
  * (SEMVER-MAJOR) patch V8 for illumos (Dan McDonald) #59805
  * (SEMVER-MAJOR) use std::map in MSVC STL for EphemeronRememberedSet (Joyee Cheung) #58070
  * (SEMVER-MAJOR) remove problematic comment from v8-internal (Michaël Zasso) #58070
  * (SEMVER-MAJOR) patch V8 to avoid duplicated zlib symbol (Michaël Zasso) #54077
  * (SEMVER-MAJOR) update V8 to 14.2.231.9 (Michaël Zasso) #60111
diagnostics_channel:
  * (SEMVER-MAJOR) ensure tracePromise consistency with non-Promises (René) #61766
doc:
  * (SEMVER-MAJOR) remove extensionless CJS exception for type:module packages (Matteo Collina) #62176
  * (SEMVER-MAJOR) update supported Windows SDK version to 11 (Mike McCready) #61973
  * (SEMVER-MAJOR) drop p8 and z13 support (Milad Fa) #61005
http:
  * (SEMVER-MAJOR) move writeHeader to end-of-life (Sebastian Beltran) #60635
  * (SEMVER-MAJOR) fix handling of HTTP upgrades with bodies (Tim Perry) #60016
lib:
  * (SEMVER-MAJOR) return undefined for localStorage without file (Matteo Collina) #61333
lib,src:
  * (SEMVER-MAJOR) implement QuotaExceededError as DOMException-derived interface (Filip Skokan) #62293
module:
  * (SEMVER-MAJOR) runtime-deprecate module.register() (Geoffrey Booth) #62401
  * (SEMVER-MAJOR) remove --experimental-transform-types (Marco Ippolito) #61803
src:
  * (SEMVER-MAJOR) replace uses of deprecated v8::External APIs (gahaas) #61898
  * (SEMVER-MAJOR) stop using `v8::PropertyCallbackInfo<T>::This()` (Igor Sheludko) #61898
  * (SEMVER-MAJOR) avoid deprecated Wasm API (Clemens Backes) #61898
  * (SEMVER-MAJOR) avoid deprecated `FixedArray::Get` (Clemens Backes) #61898
  * (SEMVER-MAJOR) update NODE_MODULE_VERSION to 147 (Michaël Zasso) #61898
  * (SEMVER-MAJOR) remove deprecated and unused isolate fields (Michaël Zasso) #60488
  * (SEMVER-MAJOR) update NODE_MODULE_VERSION to 144 (Michaël Zasso) #60488
  * (SEMVER-MAJOR) include `node_api_types.h` instead of `node_api.h` in `node.h` (Anna Henningsen) #60496
  * (SEMVER-MAJOR) update NODE_MODULE_VERSION to 142 (Michaël Zasso) #60111
stream:
  * (SEMVER-MAJOR) promote DEP0201 to runtime deprecation (René) #62173
  * (SEMVER-MAJOR) move _stream_* to end-of-life (Sebastian Beltran) #60657
  * (SEMVER-MAJOR) readable read one buffer at a time (Robert Nagy) #60441
  * (SEMVER-MAJOR) preserve AsyncLocalStorage on finished only when needed (avcribl) #59873
test:
  * (SEMVER-MAJOR) skip wasm allocation tests in workers (Michaël Zasso) #61898
  * (SEMVER-MAJOR) update wpt Wasm jsapi expectations (Michaël Zasso) #61898
  * (SEMVER-MAJOR) support presence of Temporal global (Michaël Zasso) #61898
  * (SEMVER-MAJOR) add type tags to uses of v8::External (gahaas) #61898
  * (SEMVER-MAJOR) fix test-linux-perf-logger for V8 14.3 (Michaël Zasso) #60488
tools:
  * (SEMVER-MAJOR) remove v8_initializers_slow workaround from v8.gyp (Michaël Zasso) #61898
  * (SEMVER-MAJOR) add Rust args to `tools/make-v8.sh` (Richard Lau) #61898
  * (SEMVER-MAJOR) update V8 gypfiles for 14.6 (Michaël Zasso) #61898
  * (SEMVER-MAJOR) update V8 gypfiles for 14.5 (Michaël Zasso) #61898
  * (SEMVER-MAJOR) update V8 gypfiles for 14.4 (Michaël Zasso) #61898
util:
  * (SEMVER-MAJOR) mark proxied objects as such when inspecting them (Ruben Bridgewater) #61029
  * (SEMVER-MAJOR) reduce TextEncoder.encodeInto function size (Yagiz Nizipli) #60339

PR-URL: #62526

Author: RafaelGSS

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 Select a Node.js version below to view the changelog history:
 
+* [Node.js 26](doc/changelogs/CHANGELOG_V26.md) **Current**
 * [Node.js 25](doc/changelogs/CHANGELOG_V25.md) **Current**
 * [Node.js 24](doc/changelogs/CHANGELOG_V24.md) **Long Term Support**
 * [Node.js 23](doc/changelogs/CHANGELOG_V23.md) End-of-Life
@@ -34,14 +35,19 @@ release.
 
 <table>
 <tr>
+  <th title="Current"><a href="doc/changelogs/CHANGELOG_V26.md">26</a> (Current)</th>
   <th title="Current"><a href="doc/changelogs/CHANGELOG_V25.md">25</a> (Current)</th>
   <th title="LTS Until 2028-04"><a href="doc/changelogs/CHANGELOG_V24.md">24</a> (LTS)</th>
   <th title="LTS Until 2027-04"><a href="doc/changelogs/CHANGELOG_V22.md">22</a> (LTS)</th>
   <th title="LTS Until 2026-04"><a href="doc/changelogs/CHANGELOG_V20.md">20</a> (LTS)</th>
 </tr>
 <tr>
   <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V25.md#25.8.2">25.8.2</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V26.md#26.0.0">26.0.0</a></b><br/>
+  </td>
+  <td valign="top">
+<b><a href="doc/changelogs/CHANGELOG_V25.md#25.9.0">25.9.0</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V25.md#25.8.2">25.8.2</a><br/>
 <a href="doc/changelogs/CHANGELOG_V25.md#25.8.1">25.8.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V25.md#25.8.0">25.8.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V25.md#25.7.0">25.7.0</a><br/>

doc/abi_version_registry.json

@@ -3,7 +3,7 @@
     { "modules": 147,"runtime": "node",     "variant": "v8_14.6",              "versions": "26.0.0-pre" },
     { "modules": 146,"runtime": "electron", "variant": "electron",             "versions": "42" },
     { "modules": 145,"runtime": "electron", "variant": "electron",             "versions": "41" },
-    { "modules": 144,"runtime": "node",     "variant": "v8_14.3",              "versions": "26.0.0-pre" },
+    { "modules": 144,"runtime": "node",     "variant": "v8_14.3",              "versions": "26.0.0" },
     { "modules": 143,"runtime": "electron", "variant": "electron",             "versions": "40" },
     { "modules": 142,"runtime": "node",     "variant": "v8_14.2",              "versions": "26.0.0-pre" },
     { "modules": 141,"runtime": "node",     "variant": "v8_14.1",              "versions": "25.0.0" },

doc/api/assert.md

@@ -327,7 +327,7 @@ destructuring and call methods directly on the instance.
 <!-- YAML
 added: v0.5.9
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
 -->
@@ -342,7 +342,7 @@ An alias of [`assert.ok()`][].
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v25.0.0
@@ -861,7 +861,7 @@ added:
   - v13.6.0
   - v12.16.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v16.0.0
@@ -1104,7 +1104,7 @@ assert.doesNotThrow(
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version:
@@ -1292,7 +1292,7 @@ added:
   - v13.6.0
   - v12.16.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v16.0.0
@@ -1344,7 +1344,7 @@ instance of {Error} then it will be thrown instead of the
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version:
@@ -1471,7 +1471,7 @@ instead of the `AssertionError`.
 <!-- YAML
 added: v1.2.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v9.0.0
@@ -1534,7 +1534,7 @@ instead of the [`AssertionError`][].
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version:
@@ -1601,7 +1601,7 @@ parameter is an instance of {Error} then it will be thrown instead of the
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v10.0.0
@@ -1657,7 +1657,7 @@ instead of the `AssertionError`.
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v10.0.0
@@ -1904,7 +1904,7 @@ argument gets considered.
 <!-- YAML
 added: v0.1.21
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/58849
     description: Message may now be a `printf`-like format string or function.
   - version: v10.0.0

doc/api/crypto.md

@@ -1193,7 +1193,7 @@ When passing a string as the `buffer`, please consider
 <!-- YAML
 added: v1.0.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/61084
     description: Using GCM tag lengths other than 128 bits without specifying
                  the `authTagLength` option when creating `decipher` is not
@@ -2256,7 +2256,7 @@ be listed in the `transferList` argument.
 <!-- YAML
 added: v15.0.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a non-extractable CryptoKey as `key` is deprecated.
 -->
@@ -2397,11 +2397,11 @@ type, value, and parameters. This method is not
 <!-- YAML
 added: v11.6.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62240
     description: Added support for `'raw-public'`, `'raw-private'`,
                  and `'raw-seed'` formats.
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62178
     description: ML-KEM and ML-DSA private key `'pkcs8'` export now
                  uses seed-only format by default when a seed is
@@ -3530,7 +3530,7 @@ operations. The specific constants currently defined are described in
 <!-- YAML
 added: v0.1.94
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a CryptoKey as `key` is deprecated.
   - version:
@@ -3607,7 +3607,7 @@ given IV will be.
 <!-- YAML
 added: v0.1.94
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a CryptoKey as `key` is deprecated.
   - version:
@@ -3833,7 +3833,7 @@ input.on('readable', () => {
 <!-- YAML
 added: v0.1.94
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a CryptoKey as `key` is deprecated.
   - version: v15.0.0
@@ -3926,10 +3926,10 @@ input.on('readable', () => {
 <!-- YAML
 added: v11.6.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a CryptoKey as `key` is deprecated.
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62240
     description: Added support for `'raw-private'` and `'raw-seed'`
                  formats.
@@ -3977,10 +3977,10 @@ of the passphrase is limited to 1024 bytes.
 <!-- YAML
 added: v11.6.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62453
     description: Passing a CryptoKey as `key` is deprecated.
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62240
     description: Added support for `'raw-public'` format.
   - version: v24.6.0
@@ -6060,7 +6060,7 @@ Throws an error if FIPS mode is not available.
 <!-- YAML
 added: v12.0.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62474
     description: Add support for Ed25519 context parameter.
   - version: v24.8.0
@@ -6189,7 +6189,7 @@ not introduce timing vulnerabilities.
 <!-- YAML
 added: v12.0.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/62474
     description: Add support for Ed25519 context parameter.
   - version: v24.8.0

doc/api/globals.md

@@ -661,7 +661,7 @@ A browser-compatible implementation of {Headers}.
 <!-- YAML
 added: v22.4.0
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/60351
     description: Accessing the `localStorage` global without providing
                  `--localstorage-file` now throws a `DOMException`, for
@@ -979,7 +979,7 @@ DataHandler.prototype.load = async function load(key) {
 ## Class: `QuotaExceededError`
 
 <!-- YAML
-added: REPLACEME
+added: v26.0.0
 -->
 
 The WHATWG {QuotaExceededError} class. Extends {DOMException}.

doc/api/http.md

@@ -1690,7 +1690,7 @@ per connection (in the case of HTTP Keep-Alive connections).
 <!-- YAML
 added: v0.1.94
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/60016
     description: Request bodies are no longer exposed raw (unparsed) on the
                  socket argument. Instead, if a body is received, the stream

doc/api/typescript.md

@@ -2,7 +2,7 @@
 
 <!-- YAML
 changes:
-  - version: REPLACEME
+  - version: v26.0.0
     pr-url: https://github.com/nodejs/node/pull/61803
     description: Removed `--experimental-transform-types` flag.
   - version:

doc/changelogs/CHANGELOG_ARCHIVE.md

@@ -156,6 +156,7 @@
 </table>
 
 * Other Versions
+  * [26.x](CHANGELOG_V26.md)
   * [25.x](CHANGELOG_V25.md)
   * [24.x](CHANGELOG_V24.md)
   * [23.x](CHANGELOG_V23.md)

doc/changelogs/CHANGELOG_IOJS.md

@@ -62,6 +62,7 @@
 </table>
 
 * Other Versions
+  * [26.x](CHANGELOG_V26.md)
   * [25.x](CHANGELOG_V25.md)
   * [24.x](CHANGELOG_V24.md)
   * [23.x](CHANGELOG_V23.md)

doc/changelogs/CHANGELOG_V010.md

@@ -64,6 +64,7 @@
 </table>
 
 * Other Versions
+  * [26.x](CHANGELOG_V26.md)
   * [25.x](CHANGELOG_V25.md)
   * [24.x](CHANGELOG_V24.md)
   * [23.x](CHANGELOG_V23.md)