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@astrojs/sitemap

What changed in @astrojs/sitemap 3, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-17.

1 new APIs and options2 behavior and defaults2 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@unstale/cli 0.1.0 on npm

@astrojs/sitemap 35 changes

New APIs and options 1

  • Adds customizable sitemap chunking, writing categorized sitemap items to separate files for better management of large sitemaps and improved performance.

    3.7.0release notes

Behavior and default changes 2

  • Sitemap index entries now use the most recent lastmod from each child sitemap, falling back to the lastmod option when needed.

    3.7.3release notes

  • Updated to Astro 6 beta compatibility.

    3.7.1release notes

Fixes and other changes 2

  • Fixes the homepage URL to avoid an empty path when trailingSlash is never or build.format is file.

    3.7.4release notes

  • Fixes i18n fallback pages missing from the generated sitemap when using fallbackType: 'rewrite'.

    3.7.2release notes