There is a new version of the Trimble Connect for Browser 3D Viewer available at https://3d.connect.trimble.com. Version identifier for this release is: 1.3.1
To load the new version to your browser, click the refresh link when the version update message is displayed.
New unit system added: U.S. Survey feet. There is a new unit system setting available in Settings → Unit settings
To learn about possible changes & updates in the 3D Viewer Workspace API, please check the Trimble Connect API Integrators Forum