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What's new in driver development for Windows 11, version 22H2

This section describes new features and updates for driver development in Windows 11, version 22H2.

ACPI

The ACPI documentation has been updated with new _OSI string information for Windows 11, version 22H2.

Audio

Camera and streaming media drivers

The camera driver documentation has been updated with information on background segmentation and eye gaze modes available in Windows 11, version 22H2.

Driver security

File system and filter drivers

The ability to do trusted kernel-mode file copy was introduced in Windows 11, version 22H2. This feature includes the ability for filters to easily detect copy scenarios.

Mobile broadband

Windows 11, version 22H2 introduces the following mobile broadband features:

The Print support app (PSA) design guide has been updated with information about new PSA functionality available starting in Windows 11, version 22H2.

  • Display name localization and PDL Passthrough API integration
  • Page level feature support and operation attributes
  • Enhancing the print dialog with PSA
  • PDL conversion with host-based processing flags
  • Set Print Device Capabilities (PDC) update policy

Provisioning support for loading pre-production drivers

Windows Debugging Tools

WPP Recorder

Drivers can add timestamps to Inflight Trace Recorder (IFR) log entries. Timestamps can specify millisecond or tenth of a microsecond granularity.