Astro 7.2 was released on 6 August 2026 with experimental incremental static builds. The idea is simple: do not regenerate a prerendered page when its code and data have not changed. That can materially reduce build time on a large content site. The word experimental still matters, and a major-version upgrade is not a performance toggle in isolation. The release also adds an option to disable session support, background mode for astro preview , and a simpler relative entry point for a custom...