- Fixed event delegation conflicts between multiple Svelte instances.
- Made CSS attribute selectors case‑insensitive for HTML enumerated attributes.
- Improved Rollup annotation detection for JS downgrader compatibility and ensured pending snippets execute their effects.
svelte@5.51.3
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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.