Google Search Console has updated property sets feature with more reports. Now you can see more reports for your property sets, comprising mobile usability report, apps, review your AMP implementation, internationalization mark up and many more.
Google added that now users are allowed to merge more properties into one set. Only verified properties are permitted to add to a set.
Google Search Console has added a property set feature back in May of this year , which helped users to view a snapshot of Search Analytics reports for all canonical versions of their sites.