Outlook category-based tracking in server-side synchronization

A new feature has been recently introduced for D365 Online (v8.2):

https://blogs.msdn.microsoft.com/crm/2018/05/02/introducing-outlook-category-based-tracking-in-server-side-synchronization/#comment-257805

Would anyone kindly share any feedback on the application and usage of this new feature, whether it be with an Exchange On Premise or On Line configuration?

Nealesh