It seemed that this happened on February 6, and it can be found for many queries that trigger a featured snippet. It doesn’t show for all, but for many.
Here’s some screenshots by Barry Schwartz of how it looks with the people who ask directly after the featured snippets:
The following example (also from Barry) is a featured snippet that currently doesn’t have the “people also ask” feature after it:
Is this a new search feature or a bug with the search results? Right now, it’s unclear.