●Change8

Migrating to Astro astro@7.0.0-beta.5

Version astro@7.0.0-beta.5 introduces 1 breaking change. This guide details how to update your code.

Released: 6/18/2026

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Breaking Changes
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Migration Steps
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Affected Symbols

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compressHTML

Breaking Changes

●Issue #1

The default value for the `compressHTML` configuration option has changed from `true` (HTML-aware compression) to `'jsx'`. This means whitespace stripping now follows JSX rules by default, removing surrounding whitespace but preserving meaningful inline spaces. If you relied on the previous behavior, you must explicitly set `compressHTML: true` (for HTML-aware compression) or `compressHTML: false` (to preserve all whitespace) in your configuration.

Migration Steps

  1. 1
    If you require the previous HTML-aware whitespace compression, update your configuration to set `compressHTML: true`.
  2. 2
    If you require all whitespace to be preserved, update your configuration to set `compressHTML: false`.

Release Summary

This release defaults HTML compression to use JSX-style whitespace stripping, which may alter rendered output. Several bugs were fixed related to error handling and custom page rendering within advanced routing setups.

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View the full release notes and all changes for Astro astro@7.0.0-beta.5.

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