Vue version

v3.4.0-alpha.3

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

Not needed

What is expected?

Attributes are always reflected to corresponding properties.

According to the document description, it should actually be of type Boolean

What is actually happening?

Page displays string

System Info

No response

Any additional comments?

No response