- Added support for declarations directly in Svelte templates.
- Improved performance by switching to createElement for HTML elements, using Sets for O(1) source checks, deduplicating hoisted templates, and hoisting rest‑props exclude lists.
svelte@5.56.0
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Fixed multiple CSS handling bugs, including escape sequences, custom property values, and namespace preservation
Fix skip controlled each fast path when another batch is pending
Fixed onerror handling and added a functional reset for failed hydration boundaries.