- Gracefully fallback when const enums cannot be passed through
- Handle const enums used inside HMR data
- Support enum members without initializers in partial evaluator
v19.1.5
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Core and compiler updates replace hasOwnProperty with Object.hasOwn, add readonly array support for metadata decorators, expose debuggableFn for signal nodes, and improve hydration error handling.
Event handler attributes (e.g., onclick) are no longer allowed on <meta> elements.
Disallows inline event handler attributes (e.g., onclick) in <meta> tags.