TS 6 RC, Astro 6, and Web Sanitizer API | News | Ep 58

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.

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Chapters

• (00:00) - Welcome to the Show
• (05:35) - News: TypeScript 6 Release Candidate
• (07:17) - News: TypeScript 7 Buzz
• (07:54) - News: TC39 Intl Era Advances to Stage 4
• (08:41) - News: TC39 error.prototype.stack Advances to Stage 2.7
• (09:04) - News: Node is Switching Up Release Schedule
• (09:46) - News: Chrome Moves to Two Week Release Cycle
• (10:43) - News: Chrome 146 Re-introduces Web Sanitizer API
• (13:27) - News: Astro 6 Brings the Noise
• (20:11) - News: Eleventy Will Become Build Awesome in v4
• (21:11) - News: What's New in Svelte for March 2026
• (21:32) - PSA: Qwik Remote Code Execution Vulnerability
• (22:15) - Library Watch: ArkType 2.2 Brings Runtime Validated Functions
• (26:00) - Library Watch: std-semver Ports JSR @std/semver to npm
• (27:15) - Community Highlight: When to Use Return Types by Web Dev Simplified
• (28:21) - Community Highlight: Whatever Happened to Service Workers? by Mauro Bieg
• (30:05) - Community Highlight: Mitigating Supply Chain Attacks with pnpm
• (33:28) - Community Highlight: F# in TypeScript
• (34:11) - Community Highlight: Standardizing Source Maps by Jon Kuperman
• (34:42) - Community Highlight: Patreon's Seven Years to TS
• (36:01) - Community Highlight: Asana Scales with TypeScript and Scala Using GraalVM
• (36:49) - Community Highlight: Josh Goldberg at AspireConf
• (37:41) - Community Highlight: Flatten a Sphere with TypeScript
• (38:27) - Community Highlight: Practical TypeScript by KCD
• (39:26) - Secret of the Handbook: private Keyword vs. #private Syntax
• (42:01) - Cool Tip: window.stop() API
• (42:47) - Cool Quiz: How Well Do You Know Pokemon?
• (43:42) - Cool Video: How Pokemon Stitched Together Maps on Gameboy
• (44:41) - Cool Link: Union Types Coming to C#
• (45:22) - Cool Game: Resident Evil 9
• (46:20) - The Minnesota Long Goodbye

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)