With release 5.9.0 Insights are now available from the Media Manager under Settings (cogwheel in top-right corner) → Analytics and requires either of the two roles
Analytics_reader
Analytics_writer
The first version of Analytics gives insights on
Logins
Downloads
Collections
For more information visit the documentation
Finally, in order to migrate the data a small application must be run to migrate the old data tables into the new in order to not loose any data.
This change also means that the data no longer can be accessed through PowerBi.