SDK Patch Release build version 22.214.171.124 (posted December 17, 2013) is available for download. This version of the SDK is fully backward compatible with StarTeam Servers 2009 (11.0), 2009 R2 (11.5), 12.0 and 12.5, and forward compatible with StarTeam Server 13.0.
The link to the readme is ftp://stsdkcust:LpeEFPwNMJ@emeaftp.microfocus.com/st-sdk-12.5-readme.htm
Note: This is an ftp link. It does not activate when clicked on. Please copy and paste it into a browser.
Builds for all supported SDK versions are now available through supportline. http://supportline.microfocus.com
This version of the SDK no longer provides support for COM. Specifically, COM support has been dropped since 12.0. Custom COM scripts written to the old namespace should continue to use the 11.0 SDK (a last known good build can be downloaded from the 126.96.36.199 wiki page)