My highlights are these two API updates which are useful for exposing details about dashboards data freshness and most recent usage:
New feature: Added last login and last activity (opening DSS) to users API
New feature: Added an API to get information about dataset last build
Take a quick peek into the 10.0.6 release notes section of the Dataiku functionality you use most and you might discover another improvement touching your area of work, too. Let me know what you found.