Summary
Beginning January 1, 2016, Microsoft will release only critical security fixes for the Microsoft Intune Company Portal apps for Windows Phone 8 and Windows 8. These apps will continue to be supported on the Windows Phone 8 and Windows 8 platforms, respectively.
More Information
For support cases that involve these apps on the Window Phone 8.1 or Windows 8.1 platforms, Microsoft will require that the devices be updated to the latest Windows Phone 8.1 /Windows 8.1 Company Portal apps and that the issue be reproduced before troubleshooting proceeds. To update the app on the device, the old Windows 8/Windows Phone 8 Company Portal apps will have to be uninstalled, and the latest Windows 8.1/Windows Phone 8.1 Company Portal apps will have to be installed.