---
title: "SvelteKit 3.0.0 needs TypeScript 6 | Agent Ready Checklist"
description: "SvelteKit 3.0.0 was released on 1 Oct 2026 with TypeScript 6 as the minimum, and adapter-static 4.0.0 shipped the same day."
canonical: https://agentreadychecklist.com/news/2026-10-01-sveltekit-3-0-0-released-with-typescript-6
site: "Agent Ready Checklist"
last_updated: 2026-11-05
date: 2026-10-01
section: "News"
---

# SvelteKit 3.0.0 needs TypeScript 6 | Agent Ready Checklist

> SvelteKit 3.0.0 was released on 1 Oct 2026 with TypeScript 6 as the minimum, and adapter-static 4.0.0 shipped the same day.

Source: https://agentreadychecklist.com/news/2026-10-01-sveltekit-3-0-0-released-with-typescript-6
Site: Agent Ready Checklist
Last reviewed: 2026-11-05
Agent endpoints: https://agentreadychecklist.com/llms.txt (index), https://agentreadychecklist.com/openapi.json (API), https://agentreadychecklist.com/mcp (MCP server), https://agentreadychecklist.com/ask (search)
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# SvelteKit 3.0.0 released with TypeScript 6 as the minimum

2026-10-01

SvelteKit 3.0.0 was released on 1 Oct 2026 with TypeScript 6 as the minimum, and adapter-static 4.0.0 shipped the same day. The recipes were read against 3.1.1, the latest on 4 Nov, so they apply to the new major version and not to the 2.x line.

## What changed

SvelteKit 3.0.0 shipped on 1 Oct 2026 with breaking changes including TypeScript 6 as the minimum and synchronous getRequest and setResponse; adapter-static 4.0.0 shipped the same day. 3.1.1 is the npm latest on 4 Nov and is the version the recipes were read against.

## Rows and pages it touches

-   [SvelteKit](https://agentreadychecklist.com/platforms/sveltekit/)SvelteKit (npm latest @sveltejs/kit 3.1.1, read 2026-11-04); docs at svelte.dev/docs/kit

## Sources

-   [github.com/sveltejs/kit/releases/tag/%40sveltejs/kit%403.0.0](https://github.com/sveltejs/kit/releases/tag/%40sveltejs/kit%403.0.0)read 2026-11-04

Last reviewed 2026-11-05. AgentReady v2.0, read 2026-11-04.