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Windows 8.1 and Windows Server 2012 R2 client and server compatibility

Last Updated: 1/11/2017

This section describes changes in the operating system that you should pay special attention to due to the potential impacts on existing apps and how new apps should be designed on clients, on servers, or on both clients and servers. Following is the list of topics covered in this section:

In this section


Operating system version changes in Windows 8.1

Windows components installed on demand

HTML font fallback behavior

Windows 8.1 allows only https URIs, not http URIs

Mousewheel input for Windows 8.1

Windows precision touchpad devices

High DPI for desktop apps in Windows 8.1

Edge UI is suppressed in “in-out-in” and “inertia” scenarios

Calling ImmSetConversionStatus() or ImmGetConversionStatus() from Windows Store apps is not supported

IME mode model changed from per-user to per-thread

Input Method manager APIs are not supported by Simplified Chinese IME

Some East Asian IME software input panels now send vKey

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