What's New in Node.js 21

1. performance

   1 3 382 5.9 Shell

   Node.js team focusing on performance (by nodejs)

   

   The Node.js performance team landed a few key improvements in this release:

2. CodeRabbit

   coderabbit.ai featured

   CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

   

3. proposal-array-grouping

   2 19 513 0.0 HTML

   Discontinued A proposal to make grouping of array items easier

   

   Array grouping to combine like data into groups using Object.groupBy() and Map.groupBy().

4. volta

   3 94 11,624 9.1 Rust

   Volta: JS Toolchains as Code. ⚡

   

   Alternatively, a better way to manage Node.js releases on your machine is to use an environment management tool like Volta that can install and switch between multiple versions seamlessly.

5. extended-const

   4 1 14 7.2 WebAssembly

   Discontinued [complete] Proposal for extended constant expressions

   

   WebAssembly extended-const expressions.

6. readable-stream

   5 37 1,036 5.5 JavaScript

   Node-core streams for userland

   

   Note that the older Node.js streams API hasn't been deprecated or removed. It will co-exist with the new API, and it even provides a way to convert from a web stream and vice versa using the .fromWeb() and .toWeb() methods (both added in Node 17, although both methods still retain their experimental status).

7. bun

   6 367 76,675 10.0 Zig

   Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

   

   Node.js v21 introduces numerous improvements in tooling, language features, standard library additions, and performance optimizations, enhancing its position as a robust JavaScript runtime and aligning it more closely with modern alternatives like Deno and Bun.

8. cli

   7 79 8,743 9.7 JavaScript

   the package manager for JavaScript (by npm)

   

   Node.js v21 includes npm v10.2.0, which notably introduces a new sbom command that allows you to generate a Software Bill of Materials (SBOM) for the current project. You can read more about the changes in recent NPM releases on GitHub.

9. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. node

    8 1,171 110,127 10.0 JavaScript

    Node.js JavaScript runtime ✨🐢🚀✨

    

    To learn more about the Node.js community and how you can contribute, check out the project's open issues and contribution guidelines on GitHub.

Suggest a related project