TypeScript.fm - The Friendly Show for TypeScript Developers

News for the week of June 15, 2026: TypeScript 7 RC, Astro 7, Babel 8, React Router 8, and a new Bun-like DX for Node.js. From the community: k8s simulated in the browser, relocating rigor, and which frameworks cost the most tokens.Sponsored by Excalibur.jsExcalibur.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.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyChapters(00:00) - Welcome to the Show (05:13) - News: TypeScript 7 RC Announcement (07:32) - News: nub, Bun-like DX on Top of Stock Node.js (10:51) - News: React Compiler Rust Rewrite Rolling Out (12:18) - News: Astro 7, Faster Than Ever (13:31) - News: React Router 8, a Big Boring Release (In a Good Way) (14:55) - News: Babel 8, ESM-only, Separate Polyfill Injection (18:14) - News: Localized Time Element HTML Proposal (19:43) - News: Chrome Third-party DevTools Integration for Agents (22:20) - Security: Node.js Patched for High Severity CVEs (23:56) - Security: Over 140 Mastra npm Packages Compromised (25:47) - Security: GH Actions Will Now Block pull_request_target (26:42) - Security: npm Malware is Trying to Thwart AI Scanners with Prompt Injection (30:10) - Security: Socket MCP Server Update (30:33) - Library Watch: Mastro.js Now with Zero Deps (31:01) - Library Watch: MapKit.js 6 for Embedding Apple Maps (31:24) - Library Watch: Monogatari 2.8, Visual Novel Engine in TS (32:51) - Community: Addy Osmani on Agentic Code Reviews (36:59) - Community: Relocating Rigor by Chad Fowler (42:08) - Community: Generating Endless "I Spy" from Wikipedia by Neal Agarwal (42:40) - Community: Webernetes, k8s in the Browser by Sam Rose (43:42) - Community: Josh Goldberg on JS Tooling, Future of Web Dev (44:01) - Community: Evan You on Joining Cloudflare by Red Monk (44:22) - Community: ShopTalk on TypeScript Complaints (46:28) - Community: The Token Cost of Frameworks by Andrey Kucherenko (49:33) - Community: Is It Worth Learning to Code in 2026? by Lost Relic Games (51:07) - Bleet of the Week (53:22) - Cool Link: Making a Brick Tower Using Shaders (54:50) - Cool Link: Words of Radiance by Brandon Sanderson (55:44) - The Minnesota Long Goodbye NewsTypescript: Announcing TypeScript 7.0 RC Nub: A bun-like DX on top of Node.jsReact: New React Compiler in Rust rolling outAstro: Astro 7.0 is out! React Router: React Router v8 release Babel 8: Releasing Babel 8 today: ESM-only, drop ES5 default, and a smooth migration path TC39: Localized <time> elementChrome: Introducing third-party developer tools for Chrome DevTools for agents Node: Thursday, June 18, 2026 Security Releases Socket.dev Mastra package compromise GH blocking pull_request_targetNPM malware using prompt injection MCP updatesLibrary WatchMastro: Now with Zero Dependencies Webkit: Discover MapKit JS 6: Rebuilt for Today’s Web DeveloperMonogatari 2.80: TypeScript rewrite From the CommunityAddy Osmani: Agentic Code Review Chad Fowler: Relocating Rigor Neal Agarwal: Endless I Spy Sam Rose: K8s in browserJosh Goldberg: Biome and the future of JS tooling Red Monk: Kate Holterhoff interviews Evan You about joining CloudflareShopTalk: TypeScript Complaints, Slowing Down, and AT Proto Protocols Andrey Kucherenko: Framework token taxLost Relic Games: Should You Still Learn To Code in 2026?Bleet of the WeekCool LinksCoding a brick tower (Shader toy)Words of Radiance by Brandon SandersonMusicSeahorse Dreams by Kubbi (Spotify)

News for the weeks of Feb 2 and Feb 9, 2026: TypeScript 6.0 beta drops, ESLint 10 config updates, and Electrobun 1.0 release. From the community: TypeScript types are not a security feature and breaking changes in TS 6.0 you need to know.Chapters(00:00) - Welcome to the Show (04:53) - News: TypeScript 6.0 Beta (17:28) - News: ESLint 10 Brings Flat Config Changes (19:47) - News: Deno Deploy is Now Generally Available (26:27) - PSA: React Native CLI Metro4Shell Vulnerability (28:32) - Library Watch: TanStack Query Now Supports Preact (28:58) - Library Watch: Nuxt Test Utils v4 Supports Vitest 4 (29:18) - Library Watch: Handy, a Desktop App for Speech-to-Text (30:40) - Library Watch: Colyseus 0.17 for Multiplayer Games (31:03) - Library Watch: Tabularis, a Minimalist TypeScript-based DBMS (31:47) - Library Watch: Electrobun 1.0 Release (32:52) - Community Highlight: What's New in ViteLand January 2026 (33:07) - Community Highlight: n8n RCE in 4 Acts by Fetih Çelik (36:32) - Community Highlight: TypeScript 6.0 Changes by TypeRocks (37:01) - Community Highlight: TypeScript Online Game Template (38:29) - Bleet of the Week (39:10) - Cool Link: Types in JSDoc (39:52) - Cool Link: Esoteric Math (40:49) - Cool Link: Virtual DSLs (42:32) - Cool Link: Someone Building an NES JRPG (43:05) - The Minnesota Long Goodbye Sponsored by Excalibur.jsExcalibur.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.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyNewsAnnouncing TypeScript 6.0 BetaESLint v10Deno Deploy is GAIntroducing Deno SandboxPSA: React Native CLI Metro4Shell VulnerabilityLibrary WatchPreact is added to TanStack QueryNuxt Test Utils v4 supports Vitest 4Handy is a universal speech-to-text appColyseus 0.17 lets you build multiplayer games with full-stack TypeScript safetyTabularis: a lightweight developer-focused database management toolElectrobun 1.0 release is the Electron alternative you’ve been waiting forFrom the CommunityVoidZero: What’s New in ViteLand January 2026Fatih Çelik: n8n RCE(s): A Tale of 4 Acts (CVE-2025-68613 & CVE-2026-25049)Typed Rocks: TypeScript 6: Breaking Changes You Need to Know TypeScript Online Game TemplateCool LinksTypes in JSDoc: excalibur.js browser extensionEsoteric Math: Happy Numbers and Vampire NumbersVirtual DSLs (via Dan Abramov)Do you like old-school NES JRPGs?MusicSeahorse Dreams by Kubbi (Spotify)

News for the week of January 26, 2026: Yarn 6.0 is rewritten in Rust, Anders interviewed on history and future of TypeScript, and a PSA on the Notepad++ update system. From the community: start using the satisfies keyword, learn more about Node Single Executable Applications (SEAs), and a DnD rule engine written in TS.Stand With MinnesotaWe 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. It is not just affecting immigrants, it is affecting all of us.Go to StandWithMinnesota.com to learn how you can help.Chapters(00:00) - Welcome to the Show (05:11) - News: Removing ES5 Target for TS 6.0 (08:46) - News: Yarn 6.0 is Rewritten in Rust (13:55) - News: Anders Interviewed on History and Future of TypeScript (17:56) - News: Astro 5.17 (18:24) - News: 11ty, 2025 Year in Review (19:33) - PSA: Notepad++ Hacked, Don't Use In-app Updater (21:09) - PSA: More React Vulnerabilities, Update RSC Packages (23:08) - Library Watch: ReliCSS, Fix Your Ancient CSS (24:23) - Library Watch: Clack 1.0, Stylish Prompts for CLI Tools (25:28) - Library Watch: TypeScript D20 Rule Engine for DnD (27:02) - Community Highlight: satisfies Keyword is OP (28:26) - Community Highlight: Does JIT Go Brrr? by Savannah.dev (29:22) - Community Highlight: Node SEAs by Joyee Cheung (30:08) - Community Highlight: Node is Getting a Virtual File System (31:29) - Community Highlight: Deno on Windows ARM? (32:27) - Community Highlight: Mocha.js Gets a Fresh Website (32:51) - Community Highlight: In Mastro, Everything is a Route (33:20) - Community Highlight: Hacking Compiler to Get const-known TemplateStringArray (35:04) - Community Highlight: Gamedev.js Survey Results Are In (37:19) - Bleet of the Week (39:41) - Cool Video: Metroid's 8-bit Gravity by NESHacker (40:21) - Cool Video: AI LEGO PixelArt Robot (41:10) - Cool Link: Giantbomb x MinnMax Fundraiser for VEAP (43:26) - Cool Watch: Planet Earth Series (44:41) - The Minnesota Long Goodbye NewsTS 6.0: PR to remove ES5 merged! (via Rob Palmer)Yarn: New 6.0 preview, rewritten in RustGitHub: 7 learnings from Anders Hejlsberg: The architect behind C# and TypeScriptAstro 5.17 release notes Eleventy, 2025 in Review PSA: Notepad++ Update Servers Got Hacked, download 8.9.1 manually!PSA: Denial of Service Vulnerabilities in React Server ComponentsLibrary Watch: Introducing ReliCSS: A Tool for Front-End ArchaeologyLibrary Watch: Clack 1.0 lets you build stylish interactive CLI promptsLibrary Watch: DnD D20 rule engine written in TypeScriptFrom the CommunityWeb Dev Simplified: satisfies keyword is awesomeSavannah Ostrowski: Does JIT go brrr? Joyee Cheung: Improving Single Executable Application Building for Node.js Matteo Collina: VFS coming soonDeno: Windows ARM BUILD!?Joshua Goldberg: Mocha has a new Astro frontend!!Mastro: Everything in Mastro is a RouteCinny.bun.how: patching TypeScript compiler to get const-known TemplateStringsArray Gamedev.js Survey Results are In: The State of Web Game Dev in 2025Cool LinksMetroid's 8-Bit Gravity I made an AI LEGO® PixelArt Robot GiantBomb and MinnMax fundraiser for VEAPPlanet Earth (HBO)MusicSeahorse Dreams by Kubbi (Spotify)

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.Sponsored by Excalibur.jsExcalibur.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.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyChapters(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 NewsAstro: 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 ThreadChrome 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 PolyfillDifferential serving / bundling by Jeremy WagnerLibrary Watch: Ohm (via JavaScript Weekly Issue 768: January 13, 2026)PSA: Fastify Express middleware can be bypassedFrom the CommunityDaniel Rosenwasser found a latent bug in TS 6.0 with BOMs and strict testingAndrew Hathaway: Type-Safe User Interfaces & the Manifest Pattern Carlos Menezes: Forcing TypeScript to be exhaustive Deno: P99 Latency is 72% Lower Than Node.jsDeno: 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 containersColum 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 LinksCool Buy: Game Boy™ 72046 LEGO setCool 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 MusicSeahorse Dreams by Kubbi (Spotify)

News for the weeks of December 22 and 29, 2025: MongoDB exploit drops on Christmas day in true Grinchy fashion, a new backend library called Vla that is far from blah, and starter templates for your next React Native app. From the community: NodeTLV keynote, strongly-typed events in gamedev, and a 6-hour deep dive into Doom in TS.Sponsored by Excalibur.jsExcalibur.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.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyChapters(00:00) - Welcome to the New Year (07:52) - News: The Grinch Stole Your Secrets with MongoBleed (10:39) - News: Node.js Security Release Expected January 7 (11:13) - Library Watch: Vla, the Missing Backend Library for TypeScript (13:13) - Library Watch: macOS iMessage API SDK for TypeScript (13:53) - Library Watch: React Native UI Templates (14:51) - Library Watch: js-draw, a Canvas Drawing Library (15:48) - Community Highlight: Strongly-typed Events in GameDev by Justin Young (16:19) - Community Highlight: Flint, a Modern Linting Engine by Josh Goldberg (16:42) - Community Highlight: Tooling Like It's 2025 by Josh Goldberg (16:59) - Community Highlight: Major Color.js Update by Lea Verou (19:18) - Community Highlight: Building Reusable Form Component Library with TanStack Form by Matt Huggins (19:54) - Community Highlight: Static Hermes is Pretty Cool by Devon Govett (21:11) - Community Highlight: DOOM in TS Types Stream by MiTS (22:09) - Community Highlight: Solitaire in TypeScript by Oidoid (22:57) - Community Highlight: Lo-fi Valley Engine by Leocast (24:12) - Bleet of the Year (25:26) - Cool Link: TypeScript Function Inlining (25:49) - Cool Link: Pass Key Explainer (29:58) - Cool Game: Outer Worlds 2 (31:26) - The Minnesota Long Goodbye NewsPSA: Exploited MongoBleed flaw leaks MongoDB secrets, 87K servers exposed PSA: Node.js — Wednesday, January 7, 2026 Security Releases Library Watch: Vla, a data layer that integrates into any TypeScript frameworkLibrary Watch: TypeScript SDK for iMessage automation on macOSLibrary Watch: React Native UI TemplatesLibrary Watch: js-draw, pencil/pen drawing utilities for JS and CanvasFrom the CommunityJustin Young: Strongly Typed Events in GameDevJosh Goldberg: NodeTLV Keynote, Tooling Like It's 2025 Josh Goldberg: What Flint Does DifferentlyLea Verou: ColorJS major releaseMatt Huggins: Building a Reusable Form Component Library with TanStack FormDevon Govett: Static Hermes is pretty coolMiTS: Doom TS deep dive streamoidoid: Super Patience - Pixelated Solitaire in TypescriptLeoocast: Lofi Valley Engine - Make your dream Stardew Valley cloneCool LinksCool Watch: How Passkeys Work - Computerphile Cool Tool: JoshuaKGoldberg/ts-function-inliner: TypeScript transformation that inlines calls to small functionsCool Game: Outer Worlds 2, from the developers of Fallout: New Vegas and AvowedMusicSeahorse Dreams by Kubbi (Spotify)