# Astro 4.7

DevFeed: [Astro 4.7](<https://devfeed.tech/articles/astro-4-7-3211.md>)

Original publisher: [Read original article](<https://astro.build/blog/astro-470/>)

Author: Erika; Emanuele Stoppa; Matthew Phillips; Nate Moore; Bjorn Lu; Sarah Rainsberger

Published: 2024-04-25T00:00:00Z

Content type: article

Language: en

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

Topics: [Astro](<https://devfeed.tech/topics/astro.md>), [API](<https://devfeed.tech/topics/api.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [TypeScript](<https://devfeed.tech/topics/typescript.md>), [Documentation](<https://devfeed.tech/topics/documentation.md>), [Preact.js](<https://devfeed.tech/topics/preact.md>), [React](<https://devfeed.tech/topics/react.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [astro](<https://devfeed.tech/tags/astro.md>), [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [cli](<https://devfeed.tech/tags/cli.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [preact](<https://devfeed.tech/tags/preact.md>), [react](<https://devfeed.tech/tags/react.md>), [release](<https://devfeed.tech/tags/release.md>), [typescript](<https://devfeed.tech/tags/typescript.md>)

## AI overview

Astro 4.7 introduces major improvements to the Dev Toolbar App API, including helpers for defining toolbar apps, messaging between the toolbar and server, a new starter project, a step-by-step recipe, and updated documentation. The release also adds periodic update checks in the development server and changes the strictest TypeScript preset to allow JavaScript files by default. It includes additional bug fixes and smaller improvements.

## Source excerpt

Astro 4.7 is out now! This release includes significant improvements to the API for making toolbar apps, a new way to keep yourself up to date, and more.