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

Author: marco-ippolito

CHANGELOG.md

@@ -72,7 +72,8 @@ release.
 <a href="doc/changelogs/CHANGELOG_V22.md#22.0.0">22.0.0</a><br/>
   </td>
   <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

@@ -1081,6 +1081,7 @@ changes:
   - version:
     - v23.0.0
     - v22.12.0
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: This is now true by default.
 -->
@@ -1713,6 +1714,7 @@ added:
 changes:
   - version:
     - v22.7.0
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/53619
     description: Syntax detection is enabled by default.
 -->
@@ -1747,6 +1749,7 @@ changes:
   - version:
     - v23.0.0
     - v22.12.0
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: This is now false by default.
 -->
@@ -2801,6 +2804,7 @@ i.e. invoking `process.exit()`.
 added:
  - v23.5.0
  - v22.13.0
+ - v20.19.0
 -->
 
 Prints information about usage of [Loading ECMAScript modules using `require()`][].

doc/api/errors.md

@@ -2598,6 +2598,7 @@ changes:
   - version:
     - v23.0.0
     - v22.12.0
+    - v20.19.0
     pr-url: https://github.com/nodejs/node/pull/55085
     description: require() now supports loading synchronous ES modules by default.
 -->

doc/api/modules.md

@@ -178,12 +178,14 @@ changes:
   - version:
     - v23.5.0
     - v22.13.0
+    - 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:
     - v23.0.0
     - v22.12.0
+    - 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:

doc/api/packages.md

@@ -114,6 +114,7 @@ added:
 changes:
   - version:
     - v22.7.0
+    - 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 +330,9 @@ most convenient for scripts).
 ### Event: `'workerMessage'`
 
 <!-- YAML
-added: v22.5.0
+added:
+- v22.5.0
+- v20.19.0
 -->
 
 * `value` {any} A value transmitted using [`postMessageToThread()`][].
@@ -1970,6 +1972,7 @@ Since all Node.js builds have IPv6 support, this value is always `true`.
 added:
  - v23.0.0
  - v22.10.0
+ - v20.19.0
 -->
 
 * {boolean}

doc/api/worker_threads.md

@@ -329,7 +329,9 @@ if (isMainThread) {
 ## `worker.postMessageToThread(threadId, value[, transferList][, timeout])`
 
 <!-- YAML
-added: v22.5.0
+added:
+- v22.5.0
+- v20.19.0
 -->
 
 > Stability: 1.1 - Active development