News for the week of March 3, 2026: minor updates in TypeScript 6 Release Candidate, what's new in Astro 6 updates, and latest Chrome revives Sanitizer API. From the community: when to use return types, remembering service workers, and why Patreon took seven years to adopt TypeScript.

Sponsored by Excalibur.js
Excalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games with TypeScript or JavaScript! Excalibur comes out-of-the-box with everything you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.

• Homepage and Docs: https://excaliburjs.com
• Make Your First Game in 10 Minutes
• Join the Discord: https://discord.gg/9UemP985Uy

Chapters

• (00:00) - Welcome to the Show

News

• Announcing TypeScript 6.0 RC
• TypeScript 7 buzz
• TC39: Intl era & monthCode to Stage 4
• TC39: Error.prototype.stack 
• Node: Reminder 1 major release per year starting with 27 
• Get features faster with Chrome's two-week release cycle
• New in Chrome 146 (Stable channel)
• Astro 6
• Eleventy is now Build Awesome 
• What’s new in Svelte: March 2026 

Library Watch

• Announcing ArkType 2.2 Type-safe regex, validated functions, and native Standard Schema definitions 
• Port of Deno @std/semver (via Kevin Deng)

From the Community

• Web Dev Simplified:  Stop Writing TypeScript Code Like This 
• Mauro Bieg: Whatever happened to JavaScript Service Workers?
• pnpm: Mitigating supply chain attacks
• Simon Treanor: The Functional Blueprint: Teaching TypeScript to Speak F#
• Jon Kuperman: Source Maps: Shipping Features Through Standards
• Patreon: Seven Years to TypeScript: Migrating 11,000 Files
• Asana: Scaling LunaDb, our in-house declarative data loading system
• Josh Goldberg: TypeScript with Aspire at Aspire Conf — March 23, 9:00a PT 
• Astronomy with TypeScript: How do you flatten the Sphere
• Kent C Dodds: Practical TypeScript: Foundations to Fluency
• Discussion: Why doesnt TS merge `private` and `#` syntax in the language? : r/typescript 

Cool Links

• Excalibur-based Steam Game: Now THAT's a Big Dragon!
• Web Weekly newsletter 
• Pokémon Quiz 
• C# Unions are Finally Here (by Ben Abt)

Music
Seahorse Dreams by Kubbi (Spotify)