This 3ds Max blog is a team effort by Nicolas Holst, Lee Montgomery, Vishnu Ramdass and Anil Choudhary.
After installing the Windows 8.1 update you can no longer import Inventor files in 3ds Max, the error you get is that the Autodesk Inventor Server Engine for 3ds Max isn't installed on the system.
Enabling "Show/Log Information(and Progress) Messages" leads to Backburner slowdown
This new blog covers customization and programming for 3ds Max and 3ds Max Design
Using python with the Extension for 3ds Max 2014
Subscription customers can download the extension from subscription center and the Stereo Camera from Autodesk Exchange
Download it now from Autodesk.com
Explanation of why the diagnosis tool cannot be enabled by default in Max 2014