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October 2025 GDK v2510.0.6194

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@MattHyman MattHyman released this 06 Nov 22:52
October-2025-v2510.0.6194
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October 2025 Microsoft Game Development Kit (GDK) release notes

Introduction

Welcome to the October 2025 Microsoft Game Development Kit release. You can use the GDK to develop games that can be certified and approved for release on Windows 11 PCs and Windows 10 PCs.

About this document

We have organized this document into the following sections.

What's new in the October 2025 Microsoft Game Development Kit

  • The GDK is released in two types: Major (focused on features, two times a year) and Updates (focused on fixes, as often as needed).
  • To view the full What's New section, see the online version of What's New.

October 2025 GDK

Notifications

GDK tools

The /updatesubval flag has been added to MakePkg for checking for a newer version of SubmissionValidator.dll. If this flag is used and a newer version of the SubmissionValidator.dll is available, MakePkg downloads and places the .dll file in the path for MakePkg.

The Touch Adaptation Kit Command Line Tool (TAK CLI) (tak.exe) has been removed from the GDK setup. For instructions about how to download this tool, go to TAK CLI on GitHub.

Documentation

Offline documentation for the October 2025 release of the GDKX is installed on your development PC by the GDKX Setup program. After running Setup, the Help file for the GDKX (gdk.chm) is in C:\Program Files (x86)\Microsoft GDK\Documentation.

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