TypeScript.fm - The Friendly Show for TypeScript Developers

State of JS, Node Release Schedule Revisited, and WebMCP | News | Ep 57

News for the week of Feb 23, 2026: highlights from the State of JS survey, Node is revamping its release schedule, and Bun finally gets stage 3 decorator support. From the community: Deno's code-first sandboxes, typesafe `Map.has()`, and Electrobun rendering with WebGPU.Support Our Troop 🍪 Buy Girl Scout Cookies!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 (06:37) - News: State of JS Survey Insights (16:48) - News: Deno 2.7 Marks Temporal API as Stable (19:24) - News: Node 24.14.0 and 25.7.0 Releases (21:13) - News: Node's New Release Schedule in 2027 (25:13) - News: Bun 1.3.10 Ships Stage 3 Decorators and Native REPL (28:04) - News: WebMCP Becomes a W3C Standard (33:20) - News: React Foundation Officially Launches (34:57) - Library Watch: unbash Parses Bash in Pure TypeScript (36:29) - Library Watch: decoders, a Zod-alternative That Reads Like TS (37:30) - Community Highlight: What's New in ViteLand February 2026 (38:42) - Community Highlight: Safe Cloud Execution with Dino Sandboxes (40:00) - Community Highlight: Fixing Map.has() by Typed Rocks (41:12) - Community Highlight: The React Doctor Is In by Better Stack (41:59) - Community Highlights: Electrobun with Native Window + WebGPU (43:55) - Community Highlight: TypeScript Foundations Workshop by KCD (45:33) - Cool Link: Firefox 148 Ships CSS shape() Support (46:36) - Cool Link: Hank Green on Why AI Scares Him (47:47) - Cool Link: Rebuilding Pokemon with OO Programming (48:52) - Cool Link: MCP is Dead. Long Live the CLI. (52:36) - Cool Cookies: Support My Girl Scout (54:44) - The Minnesota Long Goodbye NewsState of JS 2025Deno 2.7: Temporal API, Windows ARM, and npm overridesNode 24.14.0 and 25.7.0 releasesNode 27 release schedule sneak peekBun 1.3.10 introduces native REPL, TC39 Stage 3 decoratorsWebMCP: Expose your web app as MCP tools (client-side) (see Kamran's Bsky thread)The React Foundation: A New Home for React Hosted by the Linux FoundationLibrary WatchUnbash: zero dep bash parser written in TS decoders: a Zod alternative (via Chris Nicholas)From the CommunityVoidZero: What's New in ViteLand: February 2026Deno Safe Cloud Code Execution with Snapshots (Python Pre-Installed, Zero Wait)TypeRocks: I Fixed TypeScript's Map.has() Type Inference (Here's How)Better Stack: I thought I was a Senior React Dev... until I ran React Doctor.  Electrobun: Now with Native Window + WebGPU KCD has a new workshop, Practical TypeScriptCool LinksCool Tip: Firefox 148 and CSS shape() Cool Read: MCP is dead. Long live the CLI Cool Watch: Rebuilding Pokémon with Object Oriented ProgrammingCool Watch: Hank Green on AI: This is Going to be Very MessyCool Read: Red Queen EffectMusicSeahorse Dreams by Kubbi (Spotify)

npmx.dev, Chrome 145 Devtools, and K'nipping Yaks | News | Ep 56

News for the week of Feb 16, 2026: npmx.dev is a better frontend for npm, Chrome 145 includes some cool new toys, and we figure out that Knip is pronounced with a hard-K. From the community: fun with generics, Next.js adds an MCP server, and why OSS maintainers need to breaks (as should we all).Chapters(00:00) - Welcome to the Show (07:10) - News: We Made Our First Video Podcast Episode (09:02) - News: TS Native Gets Remote AST Speed-up of 6.4X (09:59) - News: npmx.dev is a New Frontend for npm Registry (14:13) - News: Chrome 145 Brings Some Cool New Devtools (18:41) - News: Safari 26.4 Looks to Improve CSS Grid Support (19:35) - Library Watch: Knip 5.85.0 Cleans Up Codebase Cruft (22:30) - Library Watch: @wasmground/emit Builds WASM with TS (23:58) - Library Watch: Tempest Generates Types from PHP (25:33) - Library Watch: runner 5.5.0, an All-in-one TS Framework (28:02) - Community Highlight: Build a Game Series by Deno (30:02) - Community Highlight: Next.js MCP Server (33:29) - Community Highlight: What is TC39 by Shop Talk Show (34:32) - Community Highlight: Open Source Developers Need to Take Breaks (38:16) - Community Highlight: Fun with TS Generics by Adam Rackis (39:38) - Bleet of the Week (39:59) - Cool Link: 400 Car Batteries Wired Together (40:39) - Cool Link: FragCoord.xyz is a ShaderToy Alternative (41:37) - Cool Link: Recreating a BBC Micro Game in TypeScript (43:19) - Cool Link: YootTower, Open Source Code for SimTower (44:33) - 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/9UemP985UyNewsWatch our TS 6.0 “Read Along” Vodcast!TS native preview got a 6.4X perf increase for “remote” AST materializationnpmx.dev is not a package managerChrome: What's new in DevTools (Chrome 145)Safari: 26.4 beta improves CSS grid supportLibrary WatchKnip includes monorepo memory optimizations@wasmgroundup/emit lets you build WASM with TypeScript for better learningTempest can generate types from PHP filesrunner shaved the yak until it got bald  From the CommunityDeno: https://deno.com/blog/build-a-game-with-deno-6 Next.js: Building Next.js for an agentic future Shop Talk Show: TC39 and how it works (via Rob Palmer) The Register: OSS Maintainers take a break (via Daniel Roe) Frontend Masters: Fun with TypeScript GenericsCool LinksCool Watch: 400 car batteries wired together!! Cool Tool: FragCoord is a ShaderToy alternativeCool Game: TypeScript version of BBC Micro gameCool Code: YootTower is the OG SimTower source codeMusicSeahorse Dreams by Kubbi (Spotify)

TypeScript 6.0 Beta, ESLint 10, and Deno Deploy Goes GA | News | Ep 55

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)

Mastro.js, the Simplest Web Framework and Site Generator | Mauro Bieg | Ep 54B

Mauro Bieg joins the two fools to talk about Mastro, a simple and minimal web framework and site generator. If 11ty and Astro had a baby, it might look like Mastro! With support for routing, HTML templating, streaming, and even reactive UI, Mastro might be a great fit for your next content-driven website.ResourcesMastro WebsiteMastro on GitHubMastro on BlueSkyWhere to Follow the TeamMauro on GitHubMauro on BlueSkyChapters(00:00) - Introducing Mauro Bieg (03:12) - What is Mastro.js? (05:39) - How Mastro Renders HTML (10:04) - Comparing Mastro.js with Other Frameworks (14:55) - Handling Server Requests in Mastro (20:00) - Client and Server Separation (26:39) - Client-Side Functionality with Reactive Mastro (32:18) - Leveraging Web Standards and Native Runtime Features (34:14) - Working with Multiple Runtimes (40:31) - TypeScript Integration and Type Checking (41:51) - Support for HTTP Streaming (47:07) - How Mastro Performs (49:01) - Getting Started with Mastro (51:33) - Where to Find Mauro Sponsored by Excalibur.jsExcalibur.js is the friendly TypeScript 2D game engine for the web. Use your TypeScript or JavaScript skills to make games! Excalibur comes out-of-the-box with everything you need to make web games, like physics, sprites, animations, sound effects, input, tile maps, particles, and more.Homepage and Docs: https://excaliburjs.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyMusicSeahorse Dreams by Kubbi (Spotify)

Yarn Rewritten in Rust, Anders on TypeScript, and Notepad++ Hacked | News | Ep 54

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)