“Today we are announcing support for FAQ and How-to structured data on Google Search and the Google Assistant, including new reports in Search Console to monitor how your site is performing.”
https://webmasters.googleblog.com/2019/05/new-in-structured-data-faq-and-how-to.html
https://developers.google.com/search/docs/data-types/how-to
https://schema.org/HowTo
It will be interesting how this will/can co-exist with DITA.
Depending on the metadata present in the DITA, this should not be a problem but would make output from DITA easier to find.