# Starlight 0.42

DevFeed: [Starlight 0.42](<https://devfeed.tech/articles/starlight-0-42-3339.md>)

Original publisher: [Read original article](<https://astro.build/blog/starlight-042/>)

Author: Chris Swithinbank

Published: 2026-09-02T00:00:00Z

Content type: release

Language: en

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

Topics: [releases](<https://devfeed.tech/topics/releases.md>), [Accessibility](<https://devfeed.tech/topics/accessibility.md>), [build times](<https://devfeed.tech/topics/build-times.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [changelog](<https://devfeed.tech/topics/changelog.md>)

Tags: [accessibility](<https://devfeed.tech/tags/accessibility.md>), [astro](<https://devfeed.tech/tags/astro.md>), [build-times](<https://devfeed.tech/tags/build-times.md>), [changelog](<https://devfeed.tech/tags/changelog.md>), [cli](<https://devfeed.tech/tags/cli.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [release](<https://devfeed.tech/tags/release.md>), [typescript](<https://devfeed.tech/tags/typescript.md>)

## AI overview

Starlight 0.42 reduces client-side JavaScript through the Popover API, compiles its published source to JavaScript with type definitions, and includes build-time and accessibility improvements.

## Source excerpt

Less JavaScript, and more JavaScript, all in one release.