Astro 7.2 is now available, bringing several notable improvements for developers building static and hybrid sites. This release focuses on performance, flexibility, and debugging, with a mix of experimental features and quality-of-life enhancements.
Key changes in this version include:
Experimental incremental static builds: A new
experimental.incrementalStaticBuildsoption enables partial rebuilds, only regenerating pages that changed. This can drastically speed up CI/CD pipelines for large sites. To enable it, addexperimental: { incrementalStaticBuilds: true }to yourastro.config.mjs. Note that this feature is opt-in and may have limitations with dynamic routes.Session support opt-out: Astro 7.0 introduced built-in session support, but now you can disable it if you don't use it. Set
session: falsein your config to avoid any overhead or potential conflicts. This is especially useful for projects that rely solely on static or client-side state management.Background mode for
astro preview: Theastro previewcommand now supports a--backgroundflag (orastro preview --hostwith a new option) that runs the preview server in the background, allowing you to continue using the terminal. This is handy for integration testing or when you need to keep the preview server running without blocking your shell.Relative logger entrypoints: Logger modules can now be imported using relative paths, e.g.,
import { logger } from 'astro/logger'. This simplifies custom logging setups and improves consistency when building custom integrations or plugins.
These updates reflect Astro's ongoing focus on developer experience and build performance. The incremental static builds, while experimental, are a significant step toward making large content sites faster to deploy. Opting out of sessions can reduce bundle size and avoid potential pitfalls for static-only projects. The preview background mode streamlines local development workflows, and the relative logger paths make logging code cleaner and more maintainable.
For full details, including any breaking changes and migration steps, check the official release notes.