Someone know how to get this?

[DerKamil]

Hello Freedom! Family,
do someone know how to get these annotationts?
I've searched already for it but i found nothing.
Example:

at 2:53 min

 

[Nolan Westmore]

They're currently in a beta that only priority creators get.
It'll be available for the masses shortly.

 

[DerKamil]

They're currently in a beta that only priority creators get.
It'll be available for the masses shortly.

Okay, thank you!