Today IBM released the new version of IBM Connections Docs !!
Regarding to the presentation @ IBM ConnectED 2015 in January there are a lot of great enhancements in this version like
- GUI installer
- IBM Docs Server now is also supported on Windows platforms
- Conversion Server now is also supported on Windows Server 212
- Support for IE11
- Changed default formats to ".docx", ".xlsx" and ".pptx"
The complete list can be found on the official IBM site.