iiinova — where your digital self keeps evolving

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ArkType @arktype.io · 04/03/2026

📢ArkType 2.2 is here. This is a big one, and it's long overdue. Validated functions, type-safe regex, bidirectional JSON Schema, and universal schema interop. Here's what's new 🧵

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ArkType @arktype.io · 22/12/2025

all you need to "learn" ArkType syntax: 1️⃣ start with a typescript keyword 2️⃣ .autocomplete to discover constraints 3️⃣ compose if needed with &, |, etc.

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ArkType @arktype.io · 18/12/2025

tools are just introspectable functions... what if you could define them like this?🤔

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ArkType @arktype.io · 17/12/2025

wish TS had rust-style pattern matching? (it already does)🪄

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ArkType @arktype.io · 16/12/2025

🚨Standard JSON Schema v1 just dropped🚨 🟢libraries can now accept ArkType wherever they need JSON Schema 🟢100% type-safe with inference built-in 🟢day one support from AI SDK 🟢TanStack AI and MCP SDK support imminent

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David Blass @ssalbdivad.dev · 16/12/2025

🎉Announcing Standard JSON Schema🎉 The next spec in the Standard Schema family is here to bring library-agnostic JSON Schema to TS. Let's make sure everyone sees it🔁

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Colin McDonnell 💎 Zod @colinhacks.com · 15/12/2025

Introducing ✨ Standard JSON Schema ✨ It's a sister spec to Standard Schema that provides a common interface for any entity that can be converted to JSON Schema

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ArkType @arktype.io · 11/12/2025

mission accomplished @mattpocock.com

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David Blass @ssalbdivad.dev · 11/12/2025

the typescript ecosystem *desperately* needs type performance tooling. it's not an overstatement to say this is one of the biggest leaps in that area in the history of the language🙇

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David Blass @ssalbdivad.dev · 10/12/2025

sounds fake but I'm starting a company with my nemesis Colin P. Zod and our first hire is @AndaristRake and our first product is now in beta

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ArkType @arktype.io · 08/12/2025

95% of ArkType syntax is just TypeScript. The other 5% are extensions like this that are... ✅composable ✅consistent across data types ✅100% safe with helpful type-level error messages

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ArkType @arktype.io · 05/12/2025

once you go type("string") you never go z.back()

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ArkType @arktype.io · 01/12/2025

In the next version of ArkType, any Standard Schema is a valid definition. Zod migration is about to get a whole lot easier🚀

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ArkType @arktype.io · 26/11/2025

fastest, cleanest tuple validation around

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ArkType @arktype.io · 24/11/2025

RIP z.shark() long live sharktype

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David Blass @ssalbdivad.dev · 19/11/2025

agonized for a long time on syntax to return a regex's capture groups rather than just validating the input string... what do you think?

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ArkType @arktype.io · 18/11/2025

📈arkregex just hit 100k installs/week📈 if you're still using untyped RegExp() you may as well just write raw .js

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ArkType @arktype.io · 13/11/2025

string validation has never been this easy arktype🤝arkregex

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ArkType @arktype.io · 12/11/2025

problem: your RegExp is beyond human comprehension solution: pnpm i arkregex

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ArkType @arktype.io · 10/11/2025

I'll take "meticulously typed regex features you probably didn't know existed" for $500

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ArkType @arktype.io · 07/11/2025

in the latest version of arktype: regex properties and index signatures from arkregex🔒

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ArkType @arktype.io · 06/11/2025

imagine using untyped regex in 2025

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ArkType @arktype.io · 05/11/2025

arkregex is ridiculously optimized. even expressions like this are inferred instantly. but what about the most extreme cases?🧵

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ArkType @arktype.io · 03/11/2025

new RegExp(): ❌types 😴tired arkregex: ✅types 🫨wired

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Josh Goldberg @joshuakgoldberg.com · 30/10/2025

I am looking for a full-time job. Being independent in open source for 3.5+ years has been wonderful. I've gotten done most of the high-level goals I wanted to, and miss having people & structure around me. If you know of a role for a staff-level TypeScript+web developer, let me know! 🙂

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David Blass @ssalbdivad.dev · 30/10/2025

hopefully this is not too insensitive

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David Blass @ssalbdivad.dev · 28/10/2025

my abusive relationship with typescript's type system continues

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ArkType @arktype.io · 28/10/2025