- Fix hydration comment handling during HMR
- Correct destruction of effects and iterator cleanup in reactivity checks
- Resolve batch timing and {@const} tag printing issues (group sync, batch resolution deferral, trailing semicolon)
svelte@5.54.1
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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.