2025-03-13, Version 20.19.0 'Iron' (LTS)

Notable changes:

crypto:
  * update root certificates to NSS 3.107 (Node.js GitHub Bot) #56566
module:
  * (SEMVER-MINOR) only emit require(esm) warning under --trace-require-module (Joyee Cheung) #56194
  * (SEMVER-MINOR) unflag --experimental-require-module (Joyee Cheung) #55085
  * (SEMVER-MINOR) implement the "module-sync" exports condition (Joyee Cheung) #54648
  * (SEMVER-MINOR) unflag detect-module (Geoffrey Booth) #53619
  * (SEMVER-MINOR) add __esModule to require()'d ESM (Joyee Cheung) #52166
process:
  * (SEMVER-MINOR) add process.features.require_module (Joyee Cheung) #55241
worker:
  * (SEMVER-MINOR) add postMessageToThread (Paolo Insogna) #53682

PR-URL: #57349

CHANGELOG.md

@@ -35,7 +35,8 @@ release.
 </tr>
 <tr>
   <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V20.md#20.18.3">20.18.3</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V20.md#20.19.0">20.19.0</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V20.md#20.18.3">20.18.3</a><br/>
 <a href="doc/changelogs/CHANGELOG_V20.md#20.18.2">20.18.2</a><br/>
 <a href="doc/changelogs/CHANGELOG_V20.md#20.18.1">20.18.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V20.md#20.18.0">20.18.0</a><br/>

doc/api/cli.md

@@ -1001,7 +1001,7 @@ added:
   - v22.0.0
   - v20.17.0
 changes:
-  - version: REPLACEME
+  - version: v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: This is now true by default.
 -->
@@ -1527,7 +1527,7 @@ added:
   - v20.10.0
 changes:
   - version:
-    - REPLACEME
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/53619
     description: Syntax detection is enabled by default.
 -->
@@ -1573,7 +1573,7 @@ added:
   - v22.0.0
   - v20.17.0
 changes:
-  - version: REPLACEME
+  - version: v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: This is now false by default.
 -->
@@ -1686,7 +1686,7 @@ Node.js which is `nodejs_conf` and is default when this option is not used.
 ### `--env-file-if-exists=config`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development
@@ -2407,7 +2407,7 @@ i.e. invoking `process.exit()`.
 
 <!-- YAML
 added:
- - REPLACEME
+ - v20.19.0
 -->
 
 Prints information about usage of [Loading ECMAScript modules using `require()`][].

doc/api/errors.md

@@ -2563,7 +2563,7 @@ before looking for the top-level awaits).
 
 <!-- YAML
 changes:
-  - version: REPLACEME
+  - version: v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: require() now supports loading synchronous ES modules by default.
 -->
@@ -3199,7 +3199,7 @@ nor a relative path starting with `./` or `../`.
 ### `ERR_WORKER_MESSAGING_ERRORED`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development
@@ -3211,7 +3211,7 @@ The destination thread threw an error while processing a message sent via [`post
 ### `ERR_WORKER_MESSAGING_FAILED`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development
@@ -3223,7 +3223,7 @@ The thread requested in [`postMessageToThread()`][] is invalid or has no `worker
 ### `ERR_WORKER_MESSAGING_SAME_THREAD`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development
@@ -3235,7 +3235,7 @@ The thread id requested in [`postMessageToThread()`][] is the current thread id.
 ### `ERR_WORKER_MESSAGING_TIMEOUT`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development

doc/api/modules.md

@@ -176,15 +176,15 @@ added:
   - v20.17.0
 changes:
   - version:
-    - REPLACEME
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/56194
     description: This feature no longer emits an experimental warning by default,
                  though the warning can still be emitted by --trace-require-module.
   - version:
-    - REPLACEME
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: This feature is no longer behind the `--experimental-require-module` CLI flag.
-  - version: REPLACEME
+  - version: v20.19.0
     pr-url: https://github.com/nodejs/node/pull/54563
     description: Support `'module.exports'` interop export in `require(esm)`.
 -->

doc/api/packages.md

@@ -123,7 +123,7 @@ added:
   - v20.10.0
 changes:
   - version:
-    - REPLACEME
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/53619
     description: Syntax detection is enabled by default.
 -->

doc/api/process.md

@@ -330,7 +330,7 @@ most convenient for scripts).
 ### Event: `'workerMessage'`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 * `value` {any} A value transmitted using [`postMessageToThread()`][].
@@ -1932,7 +1932,7 @@ A boolean value that is `true` if the current Node.js build includes support for
 ## `process.features.require_module`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 * {boolean}

doc/api/worker_threads.md

@@ -223,7 +223,7 @@ if (isMainThread) {
 ## `worker.postMessageToThread(threadId, value[, transferList][, timeout])`
 
 <!-- YAML
-added: REPLACEME
+added: v20.19.0
 -->
 
 > Stability: 1.1 - Active development

src/node_version.h

@@ -23,13 +23,13 @@
 #define SRC_NODE_VERSION_H_
 
 #define NODE_MAJOR_VERSION 20
-#define NODE_MINOR_VERSION 18
-#define NODE_PATCH_VERSION 4
+#define NODE_MINOR_VERSION 19
+#define NODE_PATCH_VERSION 0
 
 #define NODE_VERSION_IS_LTS 1
 #define NODE_VERSION_LTS_CODENAME "Iron"
 
-#define NODE_VERSION_IS_RELEASE 0
+#define NODE_VERSION_IS_RELEASE 1
 
 #ifndef NODE_STRINGIFY
 #define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)