May 15, 2025

What's New in Node 24 | Deep Dive | Ep 17B

37 minutes

In this week's deep dive, we cover everything TypeScript developers need to know about the latest Node 24 release, including examples of each new language feature. We've even put together a code snippet repo you can check out!

Chapters

(00:00) - Introduction to Node 24 and TypeScript Support

(02:49) - Type Stripping and Experimental Transform Types

(05:53) - Stable Permission Flag Security Model

(09:38) - V8 13.6 Brings New Language Features

(10:04) - API: CPU Hinting Micro-waits with Atomics.pause

(12:35) - API: Reduce Memory Using Float16Array

(14:56) - API: Format Time Durations with Intl.DurationFormat

(16:33) - API: Explicit Resource Management with using

(17:07) - API: What's Really an Error with Error.isError

(18:48) - API: Parse Routes with URLPattern API

(20:51) - API: Sanitize Input with RegExp.escape

(21:39) - API: RegExp Modifiers in Sub-expressions

(23:05) - API: RegExp Duplicate Named Capture Groups

(24:07) - PSA: Node 24 Typings Are Still a WIP

(25:14) - Deprecations and Removals

(29:17) - npm 11: Changes to Lifecycle Scripts

(30:41) - Undici 7 Brings HTTP Performance Enhancements

(31:11) - Test Runner Now Waits for Sub-tests

(31:45) - next-10 and the Future of Node.js

Links

Repo: Node 24 Examples in TypeScript (by Kamran)
Node 24 Release Blog
Node 24 typings PR
TypeScript 5.8 Release Notes
Docs: Typescript support
Docs: Permissions
Rob Palmer's quick Bluesky thread on Node 24
Multithreading in Node.js: Using Atomics for Safe Shared Memory Operations (Pavel Romanov)
Everything You Need to Know About Node.js Type Stripping (Marco Ippolito)
tc39/proposal-regexp-modifiers
tc39/proposal-duplicate-named-capturing-groups
next-10 technical priorities
next-10 security model

Sponsored by Excalibur.js
Excalibur.js is the friendly TypeScript game engine for making 2D web games. Use your TypeScript or JavaScript skills to make games! Excalibur comes out-of-the-box with everything you need to make web games, like physics, sprites, animations, sound effects, input, and particles. Design your assets with tools like Aseprite and Tiled, then load them natively using first-party plugins.

Music
Seahorse Dreams by Kubbi (Spotify)

Creators & Guests

Erik Onarheim - Host

Kamran Ayub - Host

...more

View all episodes

By Kamran Ayub and Erik Onarheim

4.8

55 ratings