OneDrive Sync Client Setting - New Sync Client

[Sohail Merchant]

Do we know what does this mean?  We have new sync clients installed in the machines.

I am missing something here or it is a one of those user friendly ways to change settings?

Thanks 

[#2]

This setting was to force the use of the new, nextgen sync client when the Groove client was still predominant.  

[#3]

Yes, I know that but when if you check the screenshot provided you will know what I mean.  If you click 'new client for OneDirve.  It won't allow you to select 'new client' option for SharePoint.  When I selected both somehow it says you can't select both.  In both option recommendation is to use new client.  Is it a bug?