# Astro 4.0

DevFeed: [Astro 4.0](<https://devfeed.tech/articles/astro-4-0-3186.md>)

Original publisher: [Read original article](<https://astro.build/blog/astro-4/>)

Author: Matthew Phillips; Bjorn Lu; Chris Swithinbank; Emanuele Stoppa; Erika; Martin Trapp; Nate Moore

Published: 2023-12-05T00:00:00Z

Content type: release

Language: en

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

Topics: [Web Development](<https://devfeed.tech/topics/web-development.md>), [User interface design](<https://devfeed.tech/topics/ui-design.md>)

Tags: [accessibility](<https://devfeed.tech/tags/accessibility.md>), [apis](<https://devfeed.tech/tags/apis.md>), [astro](<https://devfeed.tech/tags/astro.md>), [release](<https://devfeed.tech/tags/release.md>), [tooling](<https://devfeed.tech/tags/tooling.md>)

## AI overview

Astro 4.0 introduces new APIs, faster builds, redesigned documentation, and the Dev Toolbar for local development. The toolbar supports component inspection, accessibility audits, and integrations such as Sentry and Storyblok.

## Source excerpt

Astro 4.0 is here! New APIs, faster builds, redesigned docs, and a unique new Dev Toolbar for Astro that enhances your local dev environment in new and exciting ways.