Update Node.js to v21 #260
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This PR contains the following updates:
16.20.2-bullseye->21.7.3-bullseyeRelease Notes
nodejs/node (node)
v21.7.3: 2024-04-10, Version 21.7.3 (Current), @RafaelGSSCompare Source
This is a security release.
Notable Changes
child_process.spawnwithout shell option enabled on WindowsCommits
v21.7.2: 2024-04-03, Version 21.7.2 (Current), @RafaelGSS prepared by @marco-ippolitoCompare Source
This is a security release.
Notable changes
Commits
v21.7.1: 2024-03-08, Version 21.7.1 (Current), @targosCompare Source
Notable Changes
This release reverts #51389, which
landed in Node.js 21.7.0. It is a documented feature that
t.after()hooks arerun even if a test has no subtests. The hook can be used to clean up the test
itself.
Commits
v21.7.0: 2024-03-06, Version 21.7.0 (Current), @RafaelGSS prepared by @marco-ippolitoCompare Source
Text Styling
util.styleText(format, text): This function returns a formatted text considering theformatpassed.A new API has been created to format text based on
util.inspect.colors, enabling you to style text in different colors (such as red, blue, ...) and emphasis (italic, bold, ...).Contributed by Rafael Gonzaga and Hemanth HM in #51850.
Loading and parsing environment variables
process.loadEnvFile(path):.envfile. If no path is specified, it automatically loads the .env file in the current directory. Example:process.loadEnvFile().process.loadEnvFile('./development.env').util.parseEnv(content):require('node:util').parseEnv('HELLO=world').Contributed by Yagiz Nizipli in #51476
Support for multi-line values for
.envfileNode.js 21.7.0 will now support multi-line values in the .env file:
Contributed by Ilyas Shabi #51289
sea: support embedding assets
Users can now include assets by adding a key-path dictionary
to the configuration as the
assetsfield. At build time, Node.jswould read the assets from the specified paths and bundle them into
the preparation blob. In the generated executable, users can retrieve
the assets using the
sea.getAsset()andsea.getAssetAsBlob()API.The single-executable application can access the assets as follows:
Contributed by Joyee Cheung in #50960
vm: support using the default loader to handle dynamic import()
This patch adds support for using
vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADERas theimportModuleDynamicallyoption in all vm APIs that take this option exceptvm.SourceTextModule. This allows users to have a shortcut to support dynamicimport()in the compiled code without missing the compilation cache if they don't need customization of the loading process. We emit an experimental warning when theimport()is actually handled by the default loader through this option instead of requiring--experimental-vm-modules.Contributed by Joyee Cheung in #51244
crypto: implement crypto.hash()
This patch introduces a helper crypto.hash() that computes
a digest from the input at one shot. This can be 1.2-2x faster
than the object-based createHash() for smaller inputs (<= 5MB)
that are readily available (not streamed) and incur less memory
overhead since no intermediate objects will be created.
Contributed by Joyee Cheung in #51044
Other Notable Changes
Commits
v21.6.2: 2024-02-14, Version 21.6.2 (Current), @RafaelGSSCompare Source
Notable changes
This is a security release.
Notable changes
Commits
v21.6.1: 2024-01-22, Version 21.6.1 (Current), @RafaelGSSCompare Source
Notable Changes
This release fixes a bug in
undiciusing WebStreamsCommits
v21.6.0: 2024-01-15, Version 21.6.0 (Current), @RafaelGSSCompare Source
New connection attempt events
Three new events were added in the
net.createConnectionflow:connectionAttempt: Emitted when a new connection attempt is established. In case of Happy Eyeballs, this might emitted multiple times.connectionAttemptFailed: Emitted when a connection attempt failed. In case of Happy Eyeballs, this might emitted multiple times.connectionAttemptTimeout: Emitted when a connection attempt timed out. In case of Happy Eyeballs, this will not be emitted for the last attempt. This is not emitted at all if Happy Eyeballs is not used.Additionally, a previous bug has been fixed where a new connection attempt could have been started after a previous one failed and after the connection was destroyed by the user.
This led to a failed assertion.
Contributed by Paolo Insogna in #51045.
Changes to the Permission Model
Node.js 21.6.0 comes with several fixes for the experimental permission model and two new semver-minor commits.
We're adding a new flag
--allow-addonsto enable addon usage when using the Permission Model.Contributed by Rafael Gonzaga in #51183
And relative paths are now supported through the
--allow-fs-*flags.Therefore, with this release one can use:
To give only read access to the entrypoint of the application.
Contributed by Rafael Gonzaga and Carlos Espa in #50758
Support configurable snapshot through
--build-snapshot-configflagWe are adding a new flag
--build-snapshot-configto configure snapshots through a custom JSON configuration file.When using this flag, additional script files provided on the command line will
not be executed and instead be interpreted as regular command line arguments.
These changes were contributed by Joyee Cheung and Anna Henningsen in #50453
Other Notable Changes
Commits
v21.5.0: 2023-12-19, Version 21.5.0 (Current), @RafaelGSSCompare Source
Notable Changes
Deprecations
Commits
v21.4.0: 2023-12-05, Version 21.4.0 (Current), @targosCompare Source
Notable Changes
This release fixes a regression introduced in v21.3.0 that caused the
fs.writeFileSyncmethod to throw when called with
'utf8'encoding, no flag option, and if the target file didn't exist yet.Commits
v21.3.0: 2023-11-30, Version 21.3.0 (Current), @RafaelGSSCompare Source
Notable Changes
New
--disable-warningflagThis version adds a new
--disable-warningoption that allows users to disable specific warnings either by code(i.e. DEP0025) or type (i.e. DeprecationWarning, ExperimentalWarning).
This option works alongside existing
--warningsand--no-warnings.For example, the following script will not emit DEP0025
require('node:sys')when executed withnode --disable-warning=DEP0025:Contributed by Ethan-Arrowood in #50661
Update Root Certificates to NSS 3.95
This is the certdata.txt from NSS 3.95, released on 2023-11-16.
This is the version of NSS that will ship in Firefox 121 on
2023-12-19.
Certificates added:
Certificates removed:
A626340Fast fs.writeFileSync with UTF-8 Strings
Enhanced writeFileSync functionality by implementing a highly efficient fast path primarily in C++ for UTF8-encoded string data.
Additionally, optimized the
appendFileSyncmethod by leveraging the improvedwriteFileSyncfunctionality.For simplicity and performance considerations, the current implementation supports only string data,
as benchmark results raise concerns about the efficacy of using Buffer for this purpose.
Future optimizations and expansions may be explored, but for now, the focus is on maximizing efficiency for string data operations.
Contributed by CanadaHonk in #49884.
Other Notable Changes
Commits
v21.2.0: 2023-11-14, Version 21.2.0 (Current), @targosCompare Source
Notable Changes
Commits
v21.1.0: 2023-10-24, Version 21.1.0 (Current), @targosCompare Source
Notable Changes
Automatically detect and run ESM syntax
The new flag
--experimental-detect-modulecan be used to automatically runES modules when their syntax can be detected. For “ambiguous” files, which are
.jsor extensionless files with nopackage.jsonwith atypefield, Node.jswill parse the file to detect ES module syntax; if found, it will run the file
as an ES module, otherwise it will run the file as a CommonJS module.
The same applies to string input via
--evalorSTDIN.We hope to make detection enabled by default in a future version of Node.js.
Detection increases startup time, so we encourage everyone — especially package
authors — to add a
typefield topackage.json, even for the default"type": "commonjs". The presence of atypefield, or explicit extensionssuch as
.mjsor.cjs, will opt out of detection.Contributed by Geoffrey Booth in #50096.
Other Notable Changes
Commits
v21.0.0: 2023-10-17, Version 21.0.0 (Current), @RafaelGSS and @targosCompare Source
We're excited to announce the release of Node.js 21! Highlights include updates of the V8 JavaScript engine to 11.8,
stable
fetchandWebStreams, a new experimental flag to change the interpretation of ambiguous codefrom CommonJS to ES modules (
--experimental-default-type), many updates to our test runner, and more!Node.js 21 will replace Node.js 20 as our ‘Current’ release line when Node.js 20 enters long-term support (LTS) later this month.
As per the release schedule, Node.js 21 will be ‘Current' release for the next 6 months, until April 2024.
Other Notable Changes
Semver-Major Commits
Semver-Minor Commits
Semver-Patch Commits
v20.12.2: 2024-04-10, Version 20.12.2 'Iron' (LTS), @RafaelGSSCompare Source
This is a security release.
Notable Changes
child_process.spawnwithout shell option enabled on WindowsCommits
v20.12.1: 2024-04-03, Version 20.12.1 'Iron' (LTS), @RafaelGSSCompare Source
This is a security release
Notable Changes
Commits
v20.12.0: 2024-03-26, Version 20.12.0 'Iron' (LTS), @richardlauCompare Source
Notable Changes
crypto: implement crypto.hash()
This patch introduces a helper crypto.hash() that computes
a digest from the input at one shot. This can be 1.2-2x faster
than the object-based createHash() for smaller inputs (<= 5MB)
that are readily available (not streamed) and incur less memory
overhead since no intermediate objects will be created.
Contributed by Joyee Cheung in #51044.
Loading and parsing environment variables
process.loadEnvFile(path):.envfile. If no path is specified, it automatically loads the .env file in the current directory. Example:process.loadEnvFile().process.loadEnvFile('./development.env').util.parseEnv(content):require('node:util').parseEnv('HELLO=world').Contributed by Yagiz Nizipli in #51476.
New connection attempt events
Three new events were added in the
net.createConnectionflow:connectionAttempt: Emitted when a new connection attempt is established. In case of Happy Eyeballs, this might emitted multiple times.connectionAttemptFailed: Emitted when a connection attempt failed. In case of Happy Eyeballs, this might emitted multiple times.connectionAttemptTimeout: Emitted when a connection attempt timed out. In case of Happy Eyeballs, this will not be emitted for the last attempt. This is not emitted at all if Happy Eyeballs is not used.Additionally, a previous bug has been fixed where a new connection attempt could have been started after a previous one failed and after the connection was destroyed by the user.
This led to a failed assertion.
Contributed by Paolo Insogna in #51045.
Permission Model changes
Node.js 20.12.0 comes with several fixes for the experimental permission model and two new semver-minor commits.
We're adding a new flag
--allow-addonsto enable addon usage when using the Permission Model.Contributed by Rafael Gonzaga in #51183
And relative paths are now supported through the
--allow-fs-*flags.Therefore, with this release one can use:
To give only read access to the entrypoint of the application.
Contributed by Rafael Gonzaga and Carlos Espa in #50758.
sea: support embedding assets
Users can now include assets by adding a key-path dictionary
to the configuration as the
assetsfield. At build time, Node.jswould read the assets from the specified paths and bundle them into
the preparation blob. In the generated executable, users can retrieve
the assets using the
sea.getAsset()andsea.getAssetAsBlob()API.The single-executable application can access the assets as follows:
Contributed by Joyee Cheung in #50960.
Support configurable snapshot through
--build-snapshot-configflagWe are adding a new flag
--build-snapshot-configto configure snapshots through a custom JSON configuration file.When using this flag, additional script files provided on the command line will
not be executed and instead be interpreted as regular command line arguments.
These changes were contributed by Joyee Cheung and Anna Henningsen in #50453
Text Styling
util.styleText(format, text): This function returns a formatted text considering theformatpassed.A new API has been created to format text based on
util.inspect.colors, enabling you to style text in different colors (such as red, blue, ...) and emphasis (italic, bold, ...).Contributed by Rafael Gonzaga in #51850.
vm: support using the default loader to handle dynamic import()
This patch adds support for using
vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADERas theimportModuleDynamicallyoption in all vm APIs that take this option exceptvm.SourceTextModule. This allows users to have a shortcut to support dynamicimport()in the compiled code without missing the compilation cache if they don't need customization of the loading process. We emit an experimental warning when theimport()is actually handled by the default loader through this option instead of requiring--experimental-vm-modules.Contributed by Joyee Cheung in #51244.
Root certificates updated to NSS 3.98
Certificates added:
Certificates removed:
Updated dependencies
Other notable changes
Commits
v20.11.1: 2024-02-14, Version 20.11.1 'Iron' (LTS), @RafaelGSS prepared by @marco-ippolitoCompare Source
Notable changes
This is a security release.
Notable changes
Commits
v20.11.0: 2024-01-09, Version 20.11.0 'Iron' (LTS), @UlisesGasconCompare Source
Notable Changes
Commits
v20.10.0: 2023-11-22, Version 20.10.0 'Iron' (LTS), @targosCompare Source
Notable Changes
--experimental-default-typeflag to flip module defaultsThe new flag
--experimental-default-typecan be used to flip the defaultmodule system used by Node.js. Input that is already explicitly defined as ES
modules or CommonJS, such as by a
package.json"type"field or.mjs/.cjsfile extension or the
--input-typeflag, is unaffected. What is currentlyimplicitly CommonJS would instead be interpreted as ES modules under
--experimental-default-type=module:String input provided via
--evalor STDIN, if--input-typeis unspecified.Files ending in
.jsor with no extension, if there is nopackage.jsonfilepresent in the same folder or any parent folder.
Files ending in
.jsor with no extension, if the nearest parentpackage.jsonfield lacks atypefield; unless the folder is inside anode_modulesfolder.In addition, extensionless files are interpreted as Wasm if
--experimental-wasm-modulesis passed and the file contains the "magic bytes"Wasm header.
Contributed by Geoffrey Booth in #49869.
Detect ESM syntax in ambiguous JavaScript
The new flag
--experimental-detect-modulecan be used to automatically run ESmodules when their syntax can be detected. For “ambiguous” files, which are
.jsor extensionless files with nopackage.jsonwith atypefield, Node.jswill parse the file to detect ES module syntax; if found, it will run the file
as an ES module, otherwise it will run the file as a CommonJS module. The same
applies to string input via
--evalorSTDIN.We hope to make detection enabled by default in a future version of Node.js.
Detection increases startup time, so we encourage everyone—especially package
authors—to add a
typefield topackage.json, even for the default"type": "commonjs". The presence of atypefield, or explicit extensionssuch as
.mjsor.cjs, will opt out of detection.Contributed by Geoffrey Booth in #50096.
New
flushoption in file system functionsWhen writing to files, it is possible that data is not immediately flushed to
permanent storage. This allows subsequent read operations to see stale data.
This PR adds a
'flush'option to thefs.writeFilefamily of functions whichforces the data to be flushed at the end of a successful write operation.
Contributed by Colin Ihrig in #50009 and #50095.
Experimental WebSocket client
Adds a
--experimental-websocketflag that adds aWebSocketglobal, as standardized by WHATWG.
Contributed by Matthew Aitken in #49830.
vm: fix V8 compilation cache support for vm.Script
Previously repeated compilation of the same source code using
vm.Scriptstopped hitting the V8 compilation cache after v16.x when support for
importModuleDynamicallywas added tovm.Script, resulting in a performanceregression that blocked users (in particular Jest users) from upgrading from
v16.x.
The recent fixes allow the compilation cache to be hit again
for
vm.Scriptwhen--experimental-vm-modulesis not used even in thepresence of the
importModuleDynamicallyoption, so that users affected by theperformance regression can now upgrade. Ongoing work is also being done to
enable compilation cache support for
vm.CompileFunction.Contributed by Joyee Cheung in #49950
and #50137.
Other notable changes
Commits
v20.9.0: 2023-10-24, Version 20.9.0 'Iron' (LTS), @richardlauCompare Source
Notable Changes
This release marks the transition of Node.js 20.x into Long Term Support (LTS)
with the codename 'Iron'. The 20.x release line now moves into "Active LTS"
and will remain so until October 2024. After that time, it will move into
"Maintenance" until end of life in April 2026.
Known issue
Collecting code coverage via the
NODE_V8_COVERAGEenvironment variable maylead to a hang. This is not thought to be a regression in Node.js 20 (some
reports are on Node.js 18). For more information, including some potential
workarounds, see issue #49344.
v20.8.1: 2023-10-13, Version 20.8.1 (Current), @RafaelGSSCompare Source
This is a security release.
Notable Changes
The following CVEs are fixed in this release:
nghttp2Security Release (High)undiciSecurity Release (High)More detailed information on each of the vulnerabilities can be found in October 2023 Security Releases blog post.
Commits
v20.8.0: 2023-09-28, Version 20.8.0 (Current), @ruyadornoCompare Source
Notable Changes
Stream performance improvements
Performance improvements to writable and readable streams, improving the creation and destruction by ±15% and reducing the memory overhead each stream takes in Node.js
Contributed by Benjamin Gruenbaum in #49745 and Raz Luvaton in #49834.
Performance improvements for readable webstream, improving readable stream async iterator consumption by ±140% and improving readable stream
pipeToconsumption by ±60%Contributed by Raz Luvaton in #49662 and #49690.
Rework of memory management in
vmAPIs with theimportModuleDynamicallyoptionThis rework addressed a series of long-standing memory leaks and use-after-free issues in the following APIs that support
importModuleDynamically:vm.Scriptvm.compileFunctionvm.SyntheticModulevm.SourceTextModuleThis should enable affected users (in particular Jest users) to upgrade from older versions of Node.js.
Contributed by Joyee Cheung in #48510.
Other notable changes
Commits
v20.7.0: 2023-09-18, Version 20.7.0 (Current), @UlisesGasconCompare Source
Notable Changes
Commits
v20.6.1: 2023-09-08, Version 20.6.1 (Current), @ruyadorno and @RafaelGSSCompare Source
Commit
v20.6.0: 2023-09-04, Version 20.6.0 (Current), @juanarbol prepared by @UlisesGasconCompare Source
Notable changes
built-in
.envfile supportStarting from Node.js v20.6.0, Node.js supports
.envfiles for configuring environment variables.Your configuration file should follow the INI file format, with each line containing a key-value pair for an environment variable.
To initialize your Node.js application with predefined configurations, use the following CLI command:
node --env-file=config.env index.js.For example, you can access the following environment variable using
process.env.PASSWORDwhen your application is initialized:In addition to environment variables, this change allows you to define your
NODE_OPTIONSdirectly in the.envfile, eliminating the need to include it in yourpackage.json.This feature was contributed by Yagiz Nizipli in #48890.
import.meta.resolveunflaggedIn ES modules,
import.meta.resolve(specifier)can be used to get an absolute URL string to whichspecifierresolves, similar torequire.resolvein CommonJS. This aligns Node.js with browsers and other server-side runtimes.This feature was contributed by Guy Bedford in #49028
New
node:moduleAPIregisterfor module customization hooks; newinitializehookThere is a new API
registeravailable onnode:moduleto specify a file that exports module customization hooks, and pass data to the hooks, and establish communication channels with them. The “define the file with the hooks” part was previously handled by a flag--experimental-loader, but when the hooks moved into a dedicated thread in 20.0.0 there was a need to provide a way to communicate between the main (application) thread and the hooks thread. This can now be done by callingregisterfrom the main thread and passing data, includingMessageChannelinstances.We encourage users to migrate to an approach that uses
--importwithregister, such as:Using
--importensures that the customization hooks are registered before any application code runs, even the entry point.This feature was contributed by Izaak Schroeder in #48842 and #48559
Module customization
loadhook can now support CommonJSAuthors of module customization hooks can how handle both ES module and CommonJS sources in the
loadhook. This works for CommonJS modules referenced via eitherimportorrequire, so long as the main entry point of the application is handled by the ES module loader (such as because the entry point is an ES module file, or if the--importflag is passed). This should simplify the customization of the Node.js module loading process, as package authors can customize more of Node.js without relying on deprecated APIs such asrequire.extensions.This feature was contributed by Antoine du Hamel in #47999
Node.js C++ addons now have experimental support for cppgc (Oilpan), a C++ garbage collection library in V8.
Now when Node.js starts up, it makes sure that there is a
v8::CppHeapattached to the V8 isolate. This enables users to allocate in thev8::CppHeapusing<cppgc/*>headers from V8, which are now also included into the Node.js headers available to addons. Note that since Node.js only bundles the cppgc library coming from V8, the ABI stability of cppgc is currently not guaranteed in semver-minor and -patch updates, but we do not expect the ABI to break often, as it has been stable and battle-tested in Chromium for years. We may consider including cppgc into the ABI stability guarantees when it gets enough adoption internally and externally.To help addon authors create JavaScript-to-C++ references of which V8's garbage collector can be aware, a helper function
node::SetCppgcReference(isolate, js_object, cppgc_object)has been added tonode.h. V8 may provide a native alternative in the future, which could then replace this Node.js-specific helper. In the mean time, users can use this API to avoid having to hard-code the layout of JavaScript wrapper objects. An example of how to create garbage-collected C++ objects in the unified heap and wrap it in a JavaScript object can be found in the Node.js addon tests.The existing
node::ObjectWraphelper would continue to work, while cppgc-based object management serves as an alternative with some advantages mentioned in the V8 blog post about Oilpan.This feature was contributed by Daryl Haresign and Joyee Cheung in #48660 and #45704.
Other notable changes
Commits
v20.5.1: 2023-08-09, Version 20.5.1 (Current), @RafaelGSSCompare Source
This is a security release.
Notable Changes
The following CVEs are fixed in this release:
More detailed information on each of the vulnerabilities can be found in August 2023 Security Releases blog post.
Commits
v20.5.0: 2023-07-18, Version 20.5.0 (Current), @juanarbolCompare Source
Notable Changes
Commits
v20.4.0: 2023-07-05, Version 20.4.0 (Current), @RafaelGSSCompare Source
Notable Changes
Mock Timers
The new feature allows developers to write more reliable and predictable tests for time-dependent functionality.
It includes
MockTimerswith the ability to mocksetTimeout,setIntervalfromglobals,node:timers, andnode:timers/promises.The feature provides a simple API to advance time, enable specific timers, and release all timers.
This feature was contributed by Erick Wendel in #47775.
Support to the explicit resource management proposal
Node is adding support to the explicit resource management
proposal to its resources allowing users of TypeScript/babel to use
using/await usingwithV8 support for everyone else on the way.
This feature was contributed by Moshe Atlow and Benjamin Gruenbaum in #48518.
Other notable changes
Commits
v20.3.1: 2023-06-20, Version 20.3.1 (Current), @RafaelGSSCompare Source
This is a security release.
Notable Changes
The following CVEs are fixed in this release:
mainModule.__proto__Bypass Experimental Policy Mechanism (High)More detailed information on each of the vulnerabilities can be found in June 2023 Security Releases blog post.
Commits
v20.3.0: 2023-06-08, Version 20.3.0 (Current), @targosCompare Source
Notable Changes
Commits
v20.2.0: 2023-05-16, Version 20.2.0 (Current), @targosCompare Source
Notable Changes
Commits
v20.1.0: 2023-05-03, Version 20.1.0 (Current), @targosCompare Source
Notable Changes
Commits
v20.0.0: 2023-04-18, Version 20.0.0 (Current), @RafaelGSSCompare Source
We're excited to announce the release of Node.js 20! Highlights include the new Node.js Permission Model,
a synchronous
import.meta.resolve, a stable test_runner, updates of the V8 JavaScript engine to 11.3, Ada to 2.0,and more!
As a reminder, Node.js 20 will enter long-term support (LTS) in October, but until then, it will be the "Current" release for the next six months.
We encourage you to explore the new features and benefits offered by this latest release and evaluate their potential impact on your applications.
Notable Changes
Permission Model
Node.js now has an experimental feature called the Permission Model.
It allows developers to restrict access to specific resources during program execution, such as file system operations,
child process spawning, and worker thread creation.
The API exists behind a flag
--experimental-permissionwhich when enabled will restrict access to all available permissions.By using this feature, developers can prevent their applications from accessing or modifying sensitive data or running potentially harmful code.
More information about the Permission Model can be found in the Node.js documentation.
The Permission Model was a contribution by Rafael Gonzaga in #44004.
Custom ESM loader hooks run on dedicated thread
ESM hooks supplied via loaders (
--experimental-loader=foo.mjs) now run in a dedicated thread, isolated from the main thread.This provides a separate scope for loaders and ensures no cross-contamination between loaders and application code.
Synchronous
import.meta.resolve()In alignment with browser behavior, this function now returns synchronously.
Despite this, user loader
resolvehooks can still be defined as async functions (or as sync functions, if the author prefers).Even when there are async
resolvehooks loaded,import.meta.resolvewill still return synchronously for application code.Contributed by Anna Henningsen, Antoine du Hamel, Geoffrey Booth, Guy Bedford, Jacob Smith, and Michaël Zasso in #44710
V8 11.3
The V8 engine is updated to version 11.3, which is part of Chromium 113.
This version includes three new features to the JavaScript API:
The V8 update was a contribution by Michaël Zasso in #47251.
Stable Test Runner
The recent update to Node.js, version 20, includes an important change to the test_runner module. The module has been marked as stable after a recent update.
Previously, the test_runner module was experimental, but this change marks it as a stable module that is ready for production use.
Contributed by Colin Ihrig in #46983
Ada 2.0
Node.js v20 comes with the latest version of the URL parser, Ada. This update brings significant performance improvements
to URL parsing, including enhancements to the
url.domainToASCIIandurl.domainToUnicodefunctions innode:url.Ada 2.0 has been integrated into the Node.js codebase, ensuring that all parts of the application can benefit from the
improved performance. Additionally, Ada 2.0 features a significant performance boost over its predecessor, Ada 1.0.4,
while also eliminating the need for the ICU requirement for URL hostname parsing.
Contributed by Yagiz Nizipli and Daniel Lemire in #47339
Preparing single executable apps now requires injecting a Blob
Building a single executable app now requires injecting a blob prepared by
Node.js from a JSON config instead of injecting the raw JS file.
This opens up the possibility of embedding multiple co-existing resources into the SEA (Single Executable Apps).
Contributed by Joyee Cheung in #47125
Web Crypto API
Web Crypto API functions' arguments are now coerced and validated as per their WebIDL definitions like in other Web Crypto API implementations.
This further improves interoperability with other implementations of Web Crypto API.
This change was made by Filip Skokan in #46067.
Official support for ARM64 Windows
Node.js now includes binaries for ARM64 Windows, allowing for native execution on the platform.
The MSI, zip/7z packages, and executable are available from the Node.js download site along with all other platforms.
The CI system was updated and all changes are now fully tested on ARM64 Windows, to prevent regressions and ensure compatibility.
ARM64 Windows was upgraded to tier 2 support by Stefan Stojanovic in #47233.
WASI version must now be specified
When
new WASI()is called, the version option is now required and has no default value.Any code that relied on the default for the version will need to be updated to request a specific version.
This change was made by Michael Dawson in #47391.
Deprecations and Removals
url.parse()accepts URLs with ports that are not numbers. This behavior might result in host name spoofing with unexpected input.These URLs will throw an error in future versions of Node.js, as the WHATWG URL API does already.
Starting with Node.js 20, these URLS cause
url.parse()to emit a warning.Semver-Major Commits
Semver-Minor Commits
Semver-Patch Commits
v19.9.0: 2023-04-10, Version 19.9.0 (Current), @RafaelGSSCompare Source
Notable Changes
Tracing Channel in diagnostic_channel
TracingChanneladds a new, high-performance channel to publish tracing data about the timing and purpose of function executions.Contributed by Stephen Belanger in #44943
New URL.canParse API
A new API was added to the URL.
URL.canParsechecks if aninputwith an optional base value can be parsed correctlyaccording to WHATWG URL specification.
Contributed by Khafra in #47179
Other notable changes
events:
msi:
node-api:
stream:
test_runner:
Commits
v19.8.1: 2023-03-15, Version 19.8.1 (Current), @targosCompare Source
Notable Changes
This release contains a single revert of a change that was introduced in v19.8.0
and introduced application crashes.
Fixes: #47096
Commits
v19.7.0: 2023-02-21, Version 19.7.0 (Current), @MylesBorinsCompare Source
Notable Changes
Commits
v19.6.1: 2023-02-16, Version 19.6.1 (Current), @RafaelGSSCompare Source
This is a security release.
Notable Changes
The following CVEs are fixed in this release:
process.mainModule.require(High)More detailed information on each of the vulnerabilities can be found in February 2023 Security Releases blog post.
This security release includes OpenSSL security updates as outlined in the recent
OpenSSL security advisory and
undicisecurity update.Commits
v19.6.0: 2023-02-02, Version 19.6.0 (Current), @ruyadornoCompare Source
Notable changes
ESM: Leverage loaders when resolving subsequent loaders
Loaders now apply to subsequent loaders, for example:
--experimental-loader ts-node --experimental-loader loader-written-in-typescript.Upgrade npm to 9.4.0
Added
--install-strategy=linkedoption for installations similar to pnpm.Other notable changes
Commits
v19.5.0: 2023-01-24, Version 19.5.0 (Current), @RafaelGSSCompare Source
Notable Changes
Commits
v19.4.0: 2023-01-06, Version 19.4.0 (Current), @RafaelGSSCompare Source
Notable Changes
Commits
v19.3.0: 2022-12-14, Version 19.3.0 (Current), @targosCompare Source
Notable Changes
Updated npm to 9.2.0
Based on the list of guidelines we've established on integrating
npmandnode,here is a grouped list of the breaking changes with the reasoning as to why they
fit within the guidelines linked above. Note that all the breaking changes were
made in 9.0.0.
All subsequent minor and patch releases after
npm@9.0.0do not contain anybreaking changes.
Engines
npmis now compatible with the following semver range for node:^14.17.0 || ^16.13.0 || >=18.0.0Filesystem
npmwill no longer attempt to modify ownership of files it creates.Auth
registry found in a config file is no longer supported and will throw errors.
Login
sso,saml&legacyhave been consolidated into"legacy".auth-typedefaults to"web"loginandadduserare now separate commands that send different data to the registry.auth-typeconfig valueswebandlegacyonly try their respective methods,npm no longer tries them all and waits to see which one doesn't fail.
Tarball Packing
npm packnow follows a strict order of operations when applying ignore rules.If a
filesarray is present in thepackage.json, then rules in.gitignoreand
.npmignorefiles from the root will be ignored.Display/Debug/Timing Info
HEADinstead ofmasteras the default ref.timinghas been removed as a value for--loglevel.--timingwill show timing information regardless of--loglevel, except when--silent.--timingflag,npmnow writes timing data to a filealongside the debug log data, respecting the
logs-diroption and fallingback to
<CACHE>/_logs/dir, instead of directly inside the cache directory.will create a uniquely named
<ID>-timing.jsonfile, with the<ID>portionbeing the same as the debug log.
npmnow outputs some json errors on stdout. Previouslynpmwould outputall json formatted errors on stderr, making it difficult to parse as the
stderr stream usually has logs already written to it.
Config/Command Deprecations or Removals
--install-strategy.npm config setwill no longer accept deprecated or invalid config options.install-linksconfig defaults to"true".node-versionconfig has been removed.npm-versionconfig has been removed.npm accesssubcommands have been renamed.npm birthdayhas been removed.npm set-scripthas been removed.npm binhas been removed (usenpxornpm execto execute binaries).Other notable changes
Commits
v19.2.0: 2022-11-29, Version 19.2.0 (Current), @ruyadornoCompare Source
Notable changes
Time zone update
Time zone data has been updated to 2022f. This includes changes to Daylight Savings Time (DST) for Fiji and Mexico. For more information, see https://mm.icann.org/pipermail/tz-announce/2022-October/000075.html.
Other notable changes
Fileclass (Khafra) #45139url.parse(Antoine du Hamel) #45576Commits
v19.1.0: 2022-11-14, Version 19.1.0 (Current), @RafaelGSSCompare Source
Notable changes
Support function mocking on Node.js test runner
The
node:testmodule supports mocking during testing via a top-levelmockobject.
Contributed by Colin Ihrig in #45326
fs.watch recursive support on Linux
fs.watchsupports recursive watch using therecursive: trueoption.Contributed by Yagiz Nizipli in #45098
Other notable changes
Commits
v19.0.1: 2022-11-04, Version 19.0.1 (Current), @RafaelGSSCompare Source
This is a security release.
Notable changes
The following CVEs are fixed in this release:
More detailed information on each of the vulnerabilities can be found in November 2022 Security Releases blog post.
Commits
v19.0.0: 2022-10-18, Version 19.0.0 (Current), @RafaelGSS and @ruyadornoCompare Source
Node.js 19 is here! Highlights include the update of the V8 JavaScript engine to 10.7, HTTP(s)/1.1 KeepAlive enabled by default, and ESM Resolution adjustments.
Node.js 19 will replace Node.js 18 as our ‘Current’ release line when Node.js 18 enters long-term support (LTS) later this month.
As per the release schedule, Node.js 19 will be ‘Current' release for the next 6 months, until April 2023.
Notable Changes
Deprecations and Removals
HTTP(S)/1.1 KeepAlive by default
Starting with this release, Node.js sets
keepAliveto true by default. This means that any outgoing HTTP(s) connection will automatically use HTTP 1.1 Keep-Alive. The default waiting window is 5 seconds.Enable keep-alive will deliver better throughput as connections are reused by default.
Additionally, the agent is now able to parse the response
Keep-Alivewhich the servers might send. This header instructs the client on how much to stay connected.On the other side, the Node.js HTTP server will now automatically disconnect idle clients (which are using HTTP Keep-Alive to reuse the connection) when
close()is invoked).Node.js HTTP(S)/1.1 requests may experience a better throughput/performance by default.
Contributed by Paolo Insogna in #43522
DTrace/SystemTap/ETW Support were removed
The main reason is the lack of resources from the Node.js team. The complexity to keep the support up-to-date has proved not worth it without a clear plan to support those tools. Hence, an issue was raised in the Node.js repository to assess better support, for
DTracein specific.Contributed by Ben Noordhuis in #43651 and #43652
V8 10.7
The V8 engine is updated to version 10.7, which is part of Chromium 107.
This version include a new feature to the JavaScript API:
Intl.NumberFormat.Intl.NumberFormatv3 API is a new TC39 ECMA402 stage 3 proposalextend the pre-existing
Intl.NumberFormat.The V8 update was a contribution by Michaël Zasso in #44741.
llhttp 8.1.0
llhttp has been updated to version 8.1.0. Collectively, this version brings many updates to the llhttp API, introducing new callbacks and allow all callback to be pausable.
Contributed by Paolo Insogna in #44967
Other Notable Changes
Semver-Major Commits
Semver-Minor Commits
Semver-Patch Commits
v18.20.2: 2024-04-10, Version 18.20.2 'Hydrogen' (LTS), @RafaelGSSCompare Source
This is a security release.
Notable Changes
child_process.spawnwithout shell option enabled on WindowsCommits
v18.20.1: 2024-04-03, Version 18.20.1 'Hydrogen' (LTS), @RafaelGSSCompare Source
This is a security release.
Notable Changes
Commits
v18.20.0: 2024-03-26, Version 18.20.0 'Hydrogen' (LTS), @richardlauCompare Source
Notable Changes
Added support for import attributes
Support has been added for import attributes, to replace the old import
assertions syntax. This will aid migration by making the new syntax available
across all currently supported Node.js release lines.
This adds the
withkeyword which should be used in place of the previousassertkeyword, which will be removed in a future semver-major Node.jsrelease.
For example,
should be replaced with
For more details, see
Contributed by Nicolò Ribaudo in #51136
and Antoine du Hamel in #50140.
Doc deprecation for
dirent.pathPlease use newly added
dirent.parentPathinstead.Contributed by Antoine du Hamel in #50976
and #51020.
Experimental node-api feature flags
Introduces an experimental feature to segregate finalizers that affect GC state.
A new type called
node_api_nogc_envhas been introduced as the const versionof
napi_envandnode_api_nogc_finalizeas a variant ofnapi_finalizethataccepts a
node_api_nogc_envas its first argument.This feature can be turned off by defining
NODE_API_EXPERIMENTAL_NOGC_ENV_OPT_OUT.Contributed by Gabriel Schulhof in #50060.
Root certificates updated to NSS 3.98
Certificates added:
Certificates removed:
Updated dependencies
vm: fix V8 compilation cache support for vm.Script
Previously repeated compilation of the same source code using
vm.Scriptstopped hitting the V8 compilation cache after v16.x when support for
importModuleDynamicallywas added tovm.Script, resulting in a performanceregression that blocked users (in particular Jest users) from upgrading from
v16.x.
The recent fixes allow the compilation cache to be hit again
for
vm.Scriptwhen--experimental-vm-modulesis not used even in thepresence of the
importModuleDynamicallyoption, so that users affected by theperformance regression can now upgrade. Ongoing work is also being done to
enable compilation cache support for
vm.CompileFunction.Contributed by Joyee Cheung in #49950
and #50137.
Commits
v18.19.1: 2024-02-14, Version 18.19.1 'Hydrogen' (LTS), @RafaelGSS prepared by @marco-ippolitoCompare Source
Notable changes
This is a security release.
Notable changes
Commits
v18.19.0: 2023-11-29, Version 18.19.0 'Hydrogen' (LTS), @targosCompare Source
Notable Changes
npm updated to v10
After two months of baking time in Node.js 20, npm 10 is backported, so that all
release lines include a supported version of npm. This release includes npm v10.2.3.
Refer to nodejs/Release#884 for the plan to land npm 10.
ESM and customization hook changes
Leverage loaders when resolving subsequent loaders
Loaders now apply to subsequent loaders, for example:
--experimental-loader ts-node --experimental-loader loader-written-in-typescript.Contributed by Maël Nison in #43772.
New
node:moduleAPIregisterfor module customization hooks; newinitializehookThere is a new API
registeravailable onnode:moduleto specify a file that exports module customization hooks, and pass data to the hooks, and establish communication channels with them. The “define the file with the hooks” part was previously handled by a flag--experimental-loader, but when the hooks moved into a dedicated thread in 20.0.0 there was a need to provide a way to communicate between the main (application) thread and the hooks thread. This can now be done by callingregisterfrom the main thread and passing data, includingMessageChannelinstances.We encourage users to migrate to an approach that uses
--importwithregister, such as:Using
--importensures that the customization hooks are registered before any application code runs, even the entry point.Contributed by João Lenon and Jacob Smith in #46826, Izaak Schroeder and Jacob Smith in #48842 and #48559.
import.meta.resolveunflaggedIn ES modules,
import.meta.resolve(specifier)can be used to get an absolute URL string to which
specifierresolves, similarto
require.resolvein CommonJS. This aligns Node.js with browsers and other server-side runtimes.Contributed by Guy Bedford in #49028.
--experimental-default-typeflag to flip module defaultsThe new flag
--experimental-default-typecan be used to flip the defaultmodule system used by Node.js. Input that is already explicitly defined as ES
modules or CommonJS, such as by a
package.json"type"field or.mjs/.cjsfile extension or the
--input-typeflag, is unaffected. What is currentlyimplicitly CommonJS would instead be interpreted as ES modules under
--experimental-default-type=module:String input provided via
--evalor STDIN, if--input-typeis unspecified.Files ending in
.jsor with no extension, if there is nopackage.jsonfilepresent in the same folder or any parent folder.
Files ending in
.jsor with no extension, if the nearest parentpackage.jsonfield lacks atypefield; unless the folder is inside anode_modulesfolder.In addition, extensionless files are interpreted as Wasm if
--experimental-wasm-modulesis passed and the file contains the "magic bytes"Wasm header.
Contributed by Geoffrey Booth in #49869.
Other ESM-related changes
Test runner changes
Many changes to the built-in test runner have been backported. This includes
the following additions:
Other notable changes
Commits
Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
This PR has been generated by Renovate Bot.
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From your project repository, check out a new branch and test the changes.Step 2:
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