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News for the week of January 19, 2026: Rolldown reaches 1.0 release candidate, and a PDF library we all deserve. From the community: a better npm admin experience, supertype safety, and modern package.json targets.
Stand With Minnesota
We are native Minnesotans. The ICE occupation is affecting our community in so many ways and has disrupted daily life for thousands of us. Families are sheltering in place, fearing to go to work, let their kids walk to school, take the bus, or even attend school at all. Adults and children are being abducted from their workplaces, schools, cars, and homes with aggressive tactics and without due process. There have been dozens of well-documented violations of our civil liberties and rights as US citizens, including the illegal detainment of peaceful protestors, constitutional observers, and people of color. ICE has shot and killed two US citizens already in the span of 3 weeks: Renee Good, a mother of three, and Alex Pretti, a VA nurse. They are out of control, they are causing irreparable harm, and we want them out of our cities.
Go to StandWithMinnesota.com to learn how you can help.
Stand With Minnesota
We are native Minnesotans. The ICE occupation is affecting our community in so many ways and has disrupted daily life for thousands of us. Families are sheltering in place, fearing to go to work, let their kids walk to school, take the bus, or even attend school at all. Adults and children are being abducted from their workplaces, schools, cars, and homes with aggressive tactics and without due process. There have been dozens of well-documented violations of our civil liberties and rights as US citizens, including the illegal detainment of peaceful protestors, constitutional observers, and people of color. ICE has shot and killed two US citizens already in the span of 3 weeks: Renee Good, a mother of three, and Alex Pretti, a VA nurse. They are out of control, they are causing irreparable harm, and we want them out of our cities.
Go to StandWithMinnesota.com to learn how you can help.
Chapters
- (00:00) - Welcome to the Show
- (06:36) - News: TypeScript PR to Support Import Attributes in d.ts Files
- (09:00) - News: Deno 2.6.6 Brings Some QOL Improvements
- (10:15) - News: Rolldown 1.0 RC is Here
- (14:13) - News: TC39 ECMAScript Proposal Updates
- (19:04) - News: Firefox 147 Adds WebGPU on Apple Sillicon and Brotli Compression
- (21:04) - News: Nuxt 4.3 Supports Inlining Critical CSS for Webpack and Rspack
- (22:33) - PSA: Svelte Ecosystem Vulnerabilities
- (24:26) - Library Watch: LibPDF, the PDF Library TypeScript Developers Deserve
- (26:17) - Library Watch: ts2rs, Transforms TS Types to Rust Types
- (27:38) - Library Watch: Mastra, TS Agent Toolkit, Reaches 1.0
- (28:23) - PSA: Lodash Gets a Security Update and Governance from OpenJSF
- (29:20) - Community Highlight: Daniel Roe Wants to Hear Your npm Frustrations
- (29:57) - Community Highlight: Don't Assign a Map to WeakMap
- (30:59) - Community Highlight: Super Monkey Ball on the Web
- (31:38) - Community Highlight: Package.json for Modern Targets
- (33:18) - Community Highlight: How Next.js Built Turbopack
- (33:39) - Bleet of the Week
- (34:21) - Cool Link: Crudy, a Postman Alternative
- (35:05) - Cool Video: SystemOfLevers on How to Make a Gameboy Game
- (35:24) - Cool Video: How to Make a Homebrew GPU
- (35:57) - Cool Video: Transforms 101 by Scott
- (36:17) - Cool Link: StandWithMinnesota.com
- (37:29) - The Minnesota Long Goodbye
News
- TypeScript PR to add support for import attributes in ambient module declarations. Motivating example (from Vite team)
- Deno 2.6.6
- Rolldown 1.0 RC
- TC39 News via Rob Palmer
- Firefox 147 release notes for developers
- Nuxt 4.3
- CVEs affecting the Svelte ecosystem
- LibPDF, the PDF library TypeScript developers deserve
- ts2rs for converting TS types to Rust types
- Announcing Mastra 1.0!
- PSA: Lodash Rolls Out Major Security Overhaul
From the Community
- Daniel Roe calls out for npm frustrations, creating npmx.dev
- Tip: Supertype safety? WeakMap is a supertype of Map
- Super MonkeyBall in a browser
- Discussion: Types, Package.json, and Modules
- Next.js: Inside Turbopack: Building Faster by Building Less
Cool Links
- Crudy is an alternative to Postman
- Gameboy Games by @systemoflevers
- A Homebrew GPU for a Homebrew CPU
- Transforms 101 by Scott
Creators and Guests
What is TypeScript.fm - The Friendly Show for TypeScript Developers?
The two TypeScript Fools, Kamran Ayub and Erik Onarheim, get together weekly to bring you news, community highlights, and deep dives into the TypeScript ecosystem. Stay up-to-date on what's happening and learn new things to make you a better TypeScript developer along the way!