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`assertUnreachable` is an advanced TypeScript technique popularized in a Stack Overflow post by Ryan Cavanaugh 👉 searyanc.dev on bsky (from the TypeScript team). So we thought it'd be cool for Ryan to return to the channel to talk about it! (😎link below😎)

My wild idea to improve the carbon footprint of Climate Pledge Arena is that if you take an umbrella to stay dry instead of driving to the arena, they don't make you throw it away when you get there. Thoughts?

Oh, yeeeeah, this has been merged 😍😍😍😍😍😍😍😍😍 TS 5.5 is gonna be one of the most epic releases in a while, once again - huge props to Dan Vanderkam 🦋 github.com/microsoft/Type…

Nice writeup of TypeScript's new ability to infer type predicates from Matt Pocock. I'm 0% surprised that Matt beat me to writing a blog post about this :)

Increasing the fidelity of types in TypeScript using arranged field definitions github.com/microsoft/Type…

What would you change about the output of tsc --init?

The line between data and code is not as clear as the Jedi would have you believe

Announcing TypeScript 5.5 Beta! 📣 Now with type predicate inference, more type narrowing, an @‍import tag for JSDoc, the --isolatedDeclarations flag, performance & reliability improvements, and much more! devblogs.microsoft.com/typescript/ann…

TypeScript 5.5 is now available! 🎉✨ Now with ✅ Inferred Type Predicates ✅ RegEx syntax checks ✅ The JSDoc @‍import Tag ✅ ${configDir} for easier tsconfig inheritance ✅ --isolatedDeclarations ✅ Lots of new optimizations And more! Try it today! devblogs.microsoft.com/typescript/ann…

Doom now runs in TypeScript types. What a journey this one's been.

✨What a dream come true!✨ The co-creator of TypeScript himself, Anders Hejlsberg, took some time to look at the Doom project! We also had a chance to chat about other TypeScript topics more broadly - and that video will go live in a few days! DREAM. COME. TRUE.🚀

Thrilled to announce... devblogs.microsoft.com/typescript/typ…

Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness! devblogs.microsoft.com/typescript/typ…

The new TypeScript is *really* fast

Several of you asked me why TypeScript chose Go instead of C#, and what that decision implies about Microsoft's commitment to C# and .NET. See github.com/microsoft/type… by Anders Hejlsberg TL;DR nothing has changed. #dotnet #csharp

LIVE NOW with Anders Hejlsberg: