This describes an older ST-Developer release (2014). You can find the details for the latest release here

Service Pack 1 Overview — 2014-11-19

This release is the latest service pack with cumulative patches for ST-Developer v16 and new features to simplify work with CAD, CAM, and BIM data. Contact us at info@steptools.com to get the latest updates.

This release includes the following updates and new packages:

Service Pack History

The changes described above are cumulative to date. This is the first service pack.

The sub-package versions used in the current release are as follows:

package		SP1
roselib		v16.1
stix		v16.1
stixmesh	v16.9
stpcad		v16.1
stpman		v16.1