# Svelte 5.56.9 - Product: Svelte (https://whatsnew.fyi/product/svelte) - Vendor: Svelte - Date: 2026-08-12 - Version: 5.56.9 - Original notes: https://github.com/sveltejs/svelte/releases/tag/svelte%405.56.9 - Permalink: https://whatsnew.fyi/product/svelte/releases/5.56.9 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **fixed** — Skip controlled each fast path while another batch is pending - **fixed** — Improve whitespace handling inside printer - **fixed** — Prevent duplication of comments in attributes - **fixed** — Preserve CSS comments in the AST printer ###### 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))