The beta (and all future versions) use Yosemite's new built-in support for 3rd-party storage providers to integrate with the Finder, instead of the dangerous hack used by OneDrive, Google Drive, SugarSync, etc.
The beta (and all future versions) use Yosemite's new built-in support for 3rd-party storage providers to integrate with the Finder, instead of the dangerous hack used by OneDrive, Google Drive, SugarSync, etc.