Astro release calendar
The latest Astro releases, straight from GitHub and refreshed every few hours. The newest version sits in the core, click a node or row for the notes.
Released on June 17, 2026
- Harden the limits on the number of decoding on the URL.
- v6.4.8June 17, 2026
Harden the limits on the number of decoding on the URL.
- v6.4.7June 15, 2026
Fixes getRelativeLocaleUrl, getAbsoluteLocaleUrl, and getAbsoluteLocaleUrlList to strip trailing slashes when trailingSlash: 'never' is configured
- v6.4.6June 10, 2026
Fixes an issue where renaming an image file while the dev server is running triggers a build error. Now Astro correctly hot-reloads the image witho...
- v6.4.5June 9, 2026
Fixes the experimental.logger destination not being used for the "Server listening on..." startup message. The logger is now resolved before the se...
- v6.4.4June 3, 2026
Prevents App.match() from throwing on request paths that contain an invalid percent-sequence.
- v6.4.3June 2, 2026
Bumps devalue dependency to v5.8.1
- v6.4.2May 28, 2026
Fixes a plugins is not iterable crash when using a pre-6.0 @astrojs/mdx alongside integrations (e.g. Starlight) that set markdown.remarkPlugins, ma...
- v6.4.0May 28, 2026
Adds a new preserveBuildServerDir adapter feature
- v6.3.8May 26, 2026
Fixes 404s for dynamically imported JS chunks when using an adapter with assetQueryParams (e.g. Vercel skew protection)
- v6.3.7May 21, 2026
Fixes request body handling in the Node adapter when req.body is a Buffer, Uint8Array, or ArrayBuffer. Previously, binary body data was incorrectly...
- v6.3.6May 20, 2026
Fixes markdown images with empty alt text () in content collections dropping the alt attribute entirely. The alt="" attribute is now ...