Def important feature for our service. This one is behind making shared folders sync, but on the roadmap for sure.
7,957 votes206 comments · OneDrive on Windows » Desktop (Sync, Files On-Demand) · Flag idea as inappropriate… · Admin →
We announced differential sync at the SharePoint Conference in May. We’ve already rolled it out to our OneDrive personal users and plan to roll it out to the rest of our users by end of this year. See this blog post for more details: https://techcommunity.microsoft.com/t5/Microsoft-OneDrive-Blog/OneDrive-announcements-SharePoint-Conference-2019/ba-p/616047.