# Astro 3.5: i18n Routing

DevFeed: [Astro 3.5: i18n Routing](<https://devfeed.tech/articles/astro-3-5-i18n-routing-3182.md>)

Original publisher: [Read original article](<https://astro.build/blog/astro-350/>)

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

Published: 2023-11-08T00:00:00Z

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>), [Internationalization (i18n)](<https://devfeed.tech/topics/i18n.md>), [Routing (disambiguation)](<https://devfeed.tech/topics/routing.md>), [Optimization](<https://devfeed.tech/topics/optimization.md>), [browser](<https://devfeed.tech/topics/browser.md>)

Tags: [astro](<https://devfeed.tech/tags/astro.md>), [browser](<https://devfeed.tech/tags/browser.md>), [experimental](<https://devfeed.tech/tags/experimental.md>), [features](<https://devfeed.tech/tags/features.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [optimization](<https://devfeed.tech/tags/optimization.md>), [release](<https://devfeed.tech/tags/release.md>), [releases](<https://devfeed.tech/tags/releases.md>), [routing](<https://devfeed.tech/tags/routing.md>)

## AI overview

Astro 3.5 introduces experimental internationalization routing, bringing configurable default and fallback languages, browser language detection, and relative localized URLs. It also adds opt-in prefetching to Astro core with configurable strategies and improved controls for avoiding unnecessary requests.

## Source excerpt

Astro 3.5 is out! It includes experimental support for i18n routing, prefetch for speedier page loads, form support with ViewTransitions, image optimization improvements, and more.