ESM: -experimental-default-type flag to flip module defaults test.js extension across multiple directories usingĬontributed by Moshe Atlow in #47653. This means you can now use powerful glob patterns to run tests more efficiently and flexibly.įor example, you can execute tests for all files with the. With the latest Node.js update, the test runner introduces support for glob expressions when Support for globs in the Node.js test runner The V8 update was a contribution by Michaël Zasso in #47251. As any experimental feature,Īs per usual a new version of the V8 engine is included in Node.js (updated to version 11.8, which is part of Chromium 118) bringing improved performance and new language features including: Through the flag: -experimental-websocket. Built-in WebSocket clientĪ experimental browser-compatible WebSocket implementation arises with this release. This impacts WebStreams, FormData, Headers, Request, Response, and fetch.Ĭontributed by Steven in #45684. The recent update to Node.js, version 21, includes an important change to the fetch module as well as WebStreams.īoth modules were marked as stable after a recent update. Which contains the full list of commits included in this release. You can read more about our release policy at. This blog post will add some additional context on the larger body of work in relation to those changes. The project continues to make progress across a number of areas, with many new features and fixes flowing into existing LTS releases.įor that reason, the changes outlined in the changelog for Node.js 21 only represent a small subset of the features and 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.Īs per the release schedule, Node.js 21 will be ‘Current' release for the next 6 months, until April 2024. Stable fetch and WebStreams, a new experimental flag to flip module defaults ( -experimental-default-type),Ī built-in WebSocket client, many updates to our test runner, and more! We're excited to announce the release of Node.js 21! Highlights include updates of the V8 JavaScript engine to 11.8, Node.js 21 is now available! By The Node.js Project, Oct 17, 2023

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