the issue of reactivity on multiple select

[billyct]

Vue version

3.5.12

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

select multiple options

What is expected?

it should select the first one, but multiple options were selected

What is actually happening?

it seems working on vue2, but not on vue3

System Info

No response

Any additional comments?

not sure it was expected or not.

if it's expected, what's the right way for it?

[noootwo]

I understand this is expected.

https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/multiple