# Astro 5.6

DevFeed: [Astro 5.6](<https://devfeed.tech/articles/astro-5-6-3244.md>)

Original publisher: [Read original article](<https://astro.build/blog/astro-560/>)

Author: Matt Kane; Emanuele Stoppa

Published: 2025-04-03T00:00:00Z

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>), [Cloudflare](<https://devfeed.tech/topics/cloudflare.md>), [Cloudflare Workers](<https://devfeed.tech/topics/cloudflare-workers.md>), [browser](<https://devfeed.tech/topics/browser.md>), [API](<https://devfeed.tech/topics/api.md>)

Tags: [astro](<https://devfeed.tech/tags/astro.md>), [cli](<https://devfeed.tech/tags/cli.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [cloudflare-workers](<https://devfeed.tech/tags/cloudflare-workers.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [experimental](<https://devfeed.tech/tags/experimental.md>), [integration](<https://devfeed.tech/tags/integration.md>), [network](<https://devfeed.tech/tags/network.md>), [storage](<https://devfeed.tech/tags/storage.md>)

## AI overview

Astro 5.6 adds first-class global environment variable access and experimental session support for Cloudflare, including automatic Cloudflare KV storage configuration. It also introduces experimental prefetch eagerness controls aligned with the browser's Speculation Rules API.

## Source excerpt

Astro 5.6 brings first-class astro:env and experimental session support to Cloudflare, and gives more control over prefetching.