Okay… but then Google Drive is cheaper and has all these other features, so I switched to it, and stopped paying Dropbox, so I guess you’re wrong?
Block based syncing.
It's such a shame, because I absolutely believe that simpler products which focus on one thing and do it well are basically always a better user experience (and I personally try to use them wherever possible). But I think the business case is hard.
The changelog states: "Added support for “differential” uploads. When large files are edited, Drive for desktop will now upload only the parts of the file that changed."