SOURCE: https://support.microsoft.com/en-us/kb/3062095Improvements
This update rollup includes a collection of fixes for the following issues for Windows 10 Insider Preview and Windows Server Technical Preview:
- Project Spartan crashes when attempting to open it on some devices.
- The Start menu appears when features of the work area, such as the screen resolution, DPI setting, or screen rotation, are changed. This can occur when running apps, such as games, that open in full-screen. These apps then crash when pressing the Alt+Tab keys.