News for the week of January 12, 2026: Astro finds a new home, Chrome ships Temporal API, and latest Node marks require(esm) as stable. From the community: type-safe UI, how TypeScript differs at dev-time vs runtime, and Deno's (impressive) latency under load.

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Chapters

• (00:00) - Welcome to the Show
• (05:11) - News: Astro Joins Cloudflare
• (06:09) - News: Astro 6 Beta Brings Parity to Dev and Prod Behavior
• (07:46) - News: Node 25.4.0 Brings Stable require(esm)
• (09:42) - News: Chrome 144 Ships Temporal, Safari... wen?
• (12:58) - Library Watch: Ohm Lets You Build Parsers, Interpreters, and Compilers
• (14:07) - PSA: Fastify Express Middleware Bypass Vulnerability
• (15:09) - Community Highlight: Daniel Rosenwasser Fixes BOM Bug
• (15:53) - Community Highlight: Type-safe UI by Andrew Hathaway
• (16:51) - Community Highlight: Forcing TS to Be Exhaustive by Carlos Menezes
• (18:11) - Community Highlight: Deno's Low Latency Under Load
• (19:43) - Community Highlight: Deno 2.6.5 Adds WebP and GIF Support to createImageBitmap
• (20:08) - Community Highlight: TypeScript. Runtime. And In-between by Ariel Shulman
• (20:48) - Community Highlight: You Should Be Using Dev Containers
• (21:42) - Community Highlight: useOptimistic Won't Save You by Colum Kelly
• (22:09) - Community Highlight: React Native Best Practices for AI Agents by Callstack
• (23:39) - Bleet of the Week
• (24:23) - Cool Link: Gameboy LEGO Set
• (25:00) - Cool Link: Global Game Jam is Happening Soon
• (25:56) - Cool Link: Realistic Terrain with Wave Function Collapse
• (27:19) - Cool Link: Complete CSS Course by Andy Bell
• (29:13) - The Minnesota Long Goodbye

News

• Astro: The Astro Technology Company joins Cloudflare 
  • Theo: Cloudflare takes on Next.js 
• Astro: Astro 6 Beta 
• Node 25.4.0 is out: Joyee Cheung BSky Thread
• Chrome 144: Temporal shipped, Safari its your turn (via Andy Bell)
  • Sarah Gooding: Temporal API Ships in Chrome 144, Marking a Major Shift for JavaScript Date Handling (via Rob Palmer)
  • Temporal Polyfill
  • Differential serving / bundling by Jeremy Wagner
• Library Watch: Ohm (via JavaScript Weekly Issue 768: January 13, 2026)
• PSA: Fastify Express middleware can be bypassed

From the Community

• Daniel Rosenwasser found a latent bug in TS 6.0 with BOMs and strict testing
• Andrew Hathaway: Type-Safe User Interfaces & the Manifest Pattern 
• Carlos Menezes: Forcing TypeScript to be exhaustive 
• Deno: P99 Latency is 72% Lower Than Node.js
• Deno: Deno 2.6.5 Adds WebP and GIF Support to createImageBitmap 
• Ariel Shulman: Typescript. Runtime. And in Between. - Ariel Shulman - NDC Copenhagen 2025
•  Syntax/Coding Garden: you should be using dev containers
• Colum Kelly: useOptimistic Won't Save You (via React Weekly Issue #3) 
• Callstack: Announcing: React Native Best Practices for AI Agents (via React Weekly Issue #3)

Cool Links

• Cool Buy: Game Boy™ 72046 LEGO set
• Cool Link: Global Game Jam  is happening!
• Cool Code: Wave Function Collapse by jyoung4242 (plus a sprite animation creator)
• Cool Course: Complete CSS - Piccalilli by Andy Bell 

Music
Seahorse Dreams by Kubbi (Spotify)