2021-03-30, Version 12.22.0 'Erbium' (LTS)

Notable changes The legacy HTTP parser is runtime deprecated: - The legacy HTTP parser, selected by the `--http-parser=legacy` command line option, is deprecated with the pending End-of-Life of Node.js 10.x (where it is the only HTTP parser implementation provided) at the end of April 2021. It will now warn on use but otherwise continue to function and may be removed in a future Node.js 12.x release. - The default HTTP parser based on llhttp is not affected. By default it is stricter than the now deprecated legacy HTTP parser. If interoperability with HTTP implementations that send invalid HTTP headers is required, the HTTP parser can be started in a less secure mode with the `--insecure-http-parser` command line option. ES Modules: - ES Modules are now considered stable. node-api: - Updated to node-api version 8 and added an experimental API to allow retrieval of the add-on file name. New API's to control code coverage data collection: - `v8.stopCoverage()` and `v8.takeCoverage()` have been added. New API to monitor event loop utilization by Worker threads - `worker.performance.eventLoopUtilization()` has been added. PR-URL: #37797
nodejs · Mar 19, 2021 · e91a165 · e91a165
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -28,7 +28,8 @@ release.
 </tr>
 <tr>
     <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V12.md#12.21.0">12.21.0</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V12.md#12.22.0">12.22.0</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V12.md#12.21.0">12.21.0</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.20.2">12.20.2</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.20.1">12.20.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V12.md#12.20.0">12.20.0</a><br/>

diff --git a/doc/api/cli.md b/doc/api/cli.md
@@ -384,7 +384,7 @@ Specify the file name of the heap profile generated by `--heap-prof`.
 <!-- YAML
 added: v11.4.0
 changes:
-  - version: REPLACEME
+  - version: v12.22.0
     pr-url: https://github.com/nodejs/node/pull/37603
     description: The legacy HTTP parser will emit a deprecation warning.
 -->

diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md
@@ -2469,7 +2469,7 @@ Module.createRequireFromPath() is deprecated. Please use [`module.createRequire(
 ### DEP0131: Legacy HTTP parser
 <!-- YAML
 changes:
-  - version: REPLACEME
+  - version: v12.22.0
     pr-url: https://github.com/nodejs/node/pull/37603
     description: Runtime deprecation.
   - version: v12.3.0

diff --git a/doc/api/esm.md b/doc/api/esm.md
@@ -6,7 +6,7 @@
 added: v8.5.0
 changes:
   - version:
-    - REPLACEME
+    - v12.22.0
     pr-url: https://github.com/nodejs/node/pull/35781
     description: Stabilize modules implementation.
   - version:

diff --git a/doc/api/n-api.md b/doc/api/n-api.md
@@ -5790,7 +5790,7 @@ This API may only be called from the main thread.
 ## node_api_get_module_file_name
 
 <!-- YAML
-added: REPLACEME
+added: v12.22.0
 -->
 
 > Stability: 1 - Experimental

diff --git a/doc/api/v8.md b/doc/api/v8.md
@@ -217,7 +217,7 @@ setTimeout(() => { v8.setFlagsFromString('--notrace_gc'); }, 60e3);
 ## `v8.takeCoverage()`
 
 <!-- YAML
-added: REPLACEME
+added: v12.22.0
 -->
 
 The `v8.takeCoverage()` method allows the user to write the coverage started by
@@ -232,7 +232,7 @@ disk, unless [`v8.stopCoverage()`][] is invoked before the process exits.
 ## `v8.stopCoverage()`
 
 <!-- YAML
-added: REPLACEME
+added: v12.22.0
 -->
 
 The `v8.stopCoverage()` method allows the user to stop the coverage collection

diff --git a/doc/api/worker_threads.md b/doc/api/worker_threads.md
@@ -769,15 +769,15 @@ immediately with an [`ERR_WORKER_NOT_RUNNING`][] error.
 
 ### `worker.performance`
 <!-- YAML
-added: REPLACEME
+added: v12.22.0
 -->
 
 An object that can be used to query performance information from a worker
 instance. Similar to [`perf_hooks.performance`][].
 
 #### `performance.eventLoopUtilization([utilization1[, utilization2]])`
 <!-- YAML
-added: REPLACEME
+added: v12.22.0
 -->
 
 * `utilization1` {Object} The result of a previous call to

diff --git a/doc/changelogs/CHANGELOG_V12.md b/doc/changelogs/CHANGELOG_V12.md
@@ -11,6 +11,7 @@
 </tr>
 <tr>
 <td valign="top">
+<a href="#12.22.0">12.22.0</a><br/>
 <a href="#12.21.0">12.21.0</a><br/>
 <a href="#12.20.2">12.20.2</a><br/>
 <a href="#12.20.1">12.20.1</a><br/>
@@ -69,6 +70,68 @@
   * [io.js](CHANGELOG_IOJS.md)
   * [Archive](CHANGELOG_ARCHIVE.md)
 
+<a id="12.22.0"></a>
+## 2021-03-30, Version 12.22.0 'Erbium' (LTS), @richardlau
+
+### Notable changes
+
+#### The legacy HTTP parser is runtime deprecated
+
+The legacy HTTP parser, selected by the `--http-parser=legacy` command line
+option, is deprecated with the pending End-of-Life of Node.js 10.x (where it
+is the only HTTP parser implementation provided) at the end of April 2021. It
+will now warn on use but otherwise continue to function and may be removed in
+a future Node.js 12.x release.
+
+The default HTTP parser based on llhttp is not affected. By default it is
+stricter than the now deprecated legacy HTTP parser. If interoperability with
+HTTP implementations that send invalid HTTP headers is required, the HTTP
+parser can be started in a less secure mode with the
+[`--insecure-http-parser`](https://nodejs.org/docs/latest-v12.x/api/cli.html#cli_insecure_http_parser)
+command line option.
+
+Contributed by Beth Griggs [#37603](https://github.com/nodejs/node/pull/37603).
+
+#### ES Modules
+
+ES Modules are now considered stable.
+
+Contributed by Guy Bedford [#35781](https://github.com/nodejs/node/pull/35781)
+
+#### node-api
+
+Updated to node-api version 8 and added an experimental API to allow retrieval of the add-on file name.
+
+Contributed by Gabriel Schulhof [#37652](https://github.com/nodejs/node/pull/37652) and [#37195](https://github.com/nodejs/node/pull/37195).
+
+#### New API's to control code coverage data collection
+
+`v8.stopCoverage()` and `v8.takeCoverage()` have been added.
+
+Contributed by Joyee Cheung [#33807](https://github.com/nodejs/node/pull/33807).
+
+#### New API to monitor event loop utilization by Worker threads
+
+`worker.performance.eventLoopUtilization()` has been added.
+
+Contributed by Trevor Norris [#35664](https://github.com/nodejs/node/pull/35664).
+
+### Commits
+
+* [[`1872625990`](https://github.com/nodejs/node/commit/1872625990)] - **(SEMVER-MINOR)** **deps**: update to cjs-module-lexer@1.1.0 (Guy Bedford) [#37712](https://github.com/nodejs/node/pull/37712)
+* [[`dfa04d9035`](https://github.com/nodejs/node/commit/dfa04d9035)] - **deps**: V8: cherry-pick beebee4f80ff (Peter Marshall) [#37293](https://github.com/nodejs/node/pull/37293)
+* [[`bf8733fe22`](https://github.com/nodejs/node/commit/bf8733fe22)] - **doc**: mark modules implementation as stable (Guy Bedford) [#35781](https://github.com/nodejs/node/pull/35781)
+* [[`0a35d49f56`](https://github.com/nodejs/node/commit/0a35d49f56)] - ***Revert*** "**embedding**: make Stop() stop Workers" (Anna Henningsen) [#32623](https://github.com/nodejs/node/pull/32623)
+* [[`a0b610450a`](https://github.com/nodejs/node/commit/a0b610450a)] - **(SEMVER-MINOR)** **http**: runtime deprecate legacy HTTP parser (Beth Griggs) [#37603](https://github.com/nodejs/node/pull/37603)
+* [[`93dd799a86`](https://github.com/nodejs/node/commit/93dd799a86)] - **(SEMVER-MINOR)** **node-api**: define version 8 (Gabriel Schulhof) [#37652](https://github.com/nodejs/node/pull/37652)
+* [[`f5692093d3`](https://github.com/nodejs/node/commit/f5692093d3)] - **(SEMVER-MINOR)** **node-api**: allow retrieval of add-on file name (Gabriel Schulhof) [#37195](https://github.com/nodejs/node/pull/37195)
+* [[`6cef0e3678`](https://github.com/nodejs/node/commit/6cef0e3678)] - **src,test**: add regression test for nested Worker termination (Anna Henningsen) [#32623](https://github.com/nodejs/node/pull/32623)
+* [[`d7a4ccdf09`](https://github.com/nodejs/node/commit/d7a4ccdf09)] - **test**: correct test-worker-eventlooputil (Gerhard Stoebich) [#35891](https://github.com/nodejs/node/pull/35891)
+* [[`0f6d44500c`](https://github.com/nodejs/node/commit/0f6d44500c)] - **test**: add cpu-profiler-crash test (Santiago Gimeno) [#37293](https://github.com/nodejs/node/pull/37293)
+* [[`86f34ee18c`](https://github.com/nodejs/node/commit/86f34ee18c)] - **(SEMVER-MINOR)** **v8**: implement v8.stopCoverage() (Joyee Cheung) [#33807](https://github.com/nodejs/node/pull/33807)
+* [[`8ddea3f16d`](https://github.com/nodejs/node/commit/8ddea3f16d)] - **(SEMVER-MINOR)** **v8**: implement v8.takeCoverage() (Joyee Cheung) [#33807](https://github.com/nodejs/node/pull/33807)
+* [[`eec7542781`](https://github.com/nodejs/node/commit/eec7542781)] - **(SEMVER-MINOR)** **worker**: add eventLoopUtilization() (Trevor Norris) [#35664](https://github.com/nodejs/node/pull/35664)
+
 <a id="12.21.0"></a>
 ## 2021-02-23, Version 12.21.0 'Erbium' (LTS), @richardlau
 

diff --git a/src/node_version.h b/src/node_version.h
@@ -23,13 +23,13 @@
 #define SRC_NODE_VERSION_H_
 
 #define NODE_MAJOR_VERSION 12
-#define NODE_MINOR_VERSION 21
-#define NODE_PATCH_VERSION 1
+#define NODE_MINOR_VERSION 22
+#define NODE_PATCH_VERSION 0
 
 #define NODE_VERSION_IS_LTS 1
 #define NODE_VERSION_LTS_CODENAME "Erbium"
 
-#define NODE_VERSION_IS_RELEASE 0
+#define NODE_VERSION_IS_RELEASE 1
 
 #ifndef NODE_STRINGIFY
 #define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)