Not able to render custom component in message box

[zaahmed-nisum-com]

<MessageBox
styles={{ border: 'solid' }}
classNam="message"
type={'text'}
renderAddCmp={() => {
return (

)
}}
/>
and/or

<MessageBox
styles={{ border: 'solid' }}
classNam="message"
type={'te'}
renderAddCmp={}
/>

[emregudur]

Fixed in 12.0.8

[Jack Zhao]

This issue still exist. The text out of the message box is the returned content from renderAddCmp.