This REPL fails with Cannot read property 'default' of undefined

but works in <= v1.46.0

The following ways of adding components in v1.47.0 work:

<Person :data :foo :bar />

<Person :data :foo :bar ></Person>

The following ways fail:

<Person :data :foo :bar >
</Person

<Person 
  :data 
  :foo 
  :bar
>
</Person>