Serviceability and Versioning
Serviceability is a common problem for drivers. When Microsoft releases a new version of Windows, driver vendors must test their drivers to ensure that they operate properly on the new release. Any driver that uses undocumented features—or that uses documented features in a nonstandard way—is likely to encounter compatibility problems from one Windows release to the next.
WDF drivers are less susceptible to such problems because Microsoft tests the frameworks on each new version of the operating system. This testing ensures that WDF drivers maintain consistent behavior from one release to the next.
To improve driver serviceability and help to prevent compatibility problems, WDF provides versioning and support for
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