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The State of Flint - Spring 2026

Hello, and welcome to the first State of Flint blog post! These posts explain the high-level status of the Flint project - what’s been done, what’s coming up next, and what’s being pushed to the backlog. For this first post, we’ll cover progress made from Flint’s start in 2025 through the first few months of 2026.

Fully Type-Aware Linting for Astro, Svelte, and Vue

Traditional approaches to linting TypeScript-based languages have had significant drawbacks for many years. They’re often difficult to configure and come with limitations that prevent rules from fully understanding the types of code. Flint introduces a comprehensive Volar.js-based architecture that enables fully type-aware lint rules for languages like Astro, Svelte, and Vue. Learn how Flint’s architecture solves this once and for all!

Introducing Flint

ESLint has been the leading web ecosystem linter for a decade. Its dominance is being challenged by new native speed linters such as Biome and Oxlint that implement blazing fast linting using native speed languages. Even TypeScript’s source is being ported from TypeScript to Go. Yet, this Flint project -a new, experimental linter- is implemented in TypeScript rather than Go or Rust. Why does Flint exist when there are so many other linters already, and why is it implemented the way it is?

Made with ❤️‍🔥 around the world by the Flint team and contributors.