News for the week of October 20, 2025: Deno Deploy revamp, Vitest 4, Nuxt 4.2, and Next.js 16, all in a single week. From the community: 4 weird ways to cast in TypeScript (+2 to Arcana rolls), type-safe API clients, and the hottest JS REPL around.

Chapters

• (00:00) - Welcome to the Show

News

• Deno: My highlights from the new Deno Deploy
• Vitest 4.0 is out!
• Nuxt 4.2 is out!
• Next.js 16 is out!
• React Native 0.82 - A New Era (h/t TheNewStack)
• Node 22.21 LTS features native HTTP proxy support
• AshTypeScript 0.6.0 (bsky summary)
• A heroic update to DefinitelyTyped to prepare for TypeScript 6
• PSA: Critical Account Takeover in better-auth

From the Community

• Jake Archibald: PSA, don’t use top-level await right now in browsers
• Brian Muenzenmeyer: You Don’t Need a Dependency talk from JSConf is now live
• Brian Vaughn: react-window got a small TS compatibility fix for React 18-18.2
• Wolf Girl: 4 Unconventional Ways to Cast In TypeScript
• Matteo Collina: From curl Commands to Type-Safe API Clients: A Complete Workflow 
• Shola Jegede: How to Build a To-Do List MCP Server Using TypeScript – with Auth, Database, and Billing 
• Ge Gao: JS REPL with Types! (h/t Reddit)
• Moosestack (FiveOneFour): Just OLAP It: Transform Your OLTP ORM into a Type-Safe OLAP Data Model
• Library Watch: FTA Fast TypeScript Analyzer
• Bleet of the Week: “Anyone who writes bare JavaScript in 2025… is a maniac you shouldn’t trust”

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

Music
Seahorse Dreams by Kubbi (Spotify)