# Astro 0.21 Preview: Vite + WASM = ⚡

DevFeed: [Astro 0.21 Preview: Vite + WASM = ⚡](<https://devfeed.tech/articles/astro-0-21-preview-vite-wasm-3135.md>)

Original publisher: [Read original article](<https://astro.build/blog/astro-021-preview/>)

Author: Fred Schott

Published: 2021-10-06T00:00:00Z

Content type: release

Language: en

Sources: [The Astro Blog](<https://devfeed.tech/sources/the-astro-blog.md>)

Topics: [Astro](<https://devfeed.tech/topics/astro.md>), [Vite](<https://devfeed.tech/topics/vite.md>), [wasm](<https://devfeed.tech/topics/wasm.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>), [Go Language](<https://devfeed.tech/topics/go-language.md>), [Node.js](<https://devfeed.tech/topics/node-js.md>), [Deno](<https://devfeed.tech/topics/deno.md>)

Tags: [astro](<https://devfeed.tech/tags/astro.md>), [compiler](<https://devfeed.tech/tags/compiler.md>), [go](<https://devfeed.tech/tags/go.md>), [latest-release](<https://devfeed.tech/tags/latest-release.md>), [performance](<https://devfeed.tech/tags/performance.md>), [ssr](<https://devfeed.tech/tags/ssr.md>), [vite](<https://devfeed.tech/tags/vite.md>), [wasm](<https://devfeed.tech/tags/wasm.md>)

## AI overview

Astro 0.21 Preview introduces a Vite-based build engine, a Go compiler distributed as WASM, Components-in-Markdown, and HTML live updates through HMR. The compiler can run in browsers, Node.js, and Deno, while Vite enables access to the Rollup plugin ecosystem and related performance improvements.

## Source excerpt

Get a sneak preview of what is next for Astro, including our new Vite build engine and WASM-powered Go compiler.