svelte@5.56.9

qdm12/dnssvelte@5.56.9Aug 12, 2026by github-actions[bot]

Upgrading?

AI Summary

This patch release focuses on fixing whitespace handling, comment preservation in attributes and CSS, and controlled each fast path issues in the Svelte compiler and printer.

Key Highlights

  • Fixed whitespace handling inside printer
  • Preserved CSS comments in AST printer
  • Fixed comment duplication in attributes
  • Fixed controlled each fast path while another batch is pending

Full Release Notes

### Patch Changes

-   fix: skip controlled each fast path while another batch is pending ([#18625](https://github.com/sveltejs/svelte/pull/18625))

-   fix: better whitespace handling inside printer ([#18638](https://github.com/sveltejs/svelte/pull/18638))

-   fix: don't duplicate comments in attributes ([#18636](https://github.com/sveltejs/svelte/pull/18636))

-   fix: preserve CSS comments in the AST printer ([#18637](https://github.com/sveltejs/svelte/pull/18637))

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