Microsoft has unveiled Windows 11 version 26H1, yet it comes with significant limitations. This release is specifically designed for hardware equipped with Qualcomm Snapdragon X2 chips. Unfortunately, the update will not be available for the majority of existing users.
Key Details about Windows 11 26H1 Release
The company’s Release Health Dashboard confirms that there are currently no known issues with this version. However, Microsoft emphasizes that this update is not meant for regular in-place upgrades. Users should be aware of the following significant points:
- The update does not have a planned 26H2 successor.
- It will not support hotpatch updates.
- IT administrators are advised to avoid this release for now.
Recommendations for IT Administrators
For organizations planning hardware refreshes or software rollouts, Microsoft recommends using Windows 11 versions 24H2 and 25H2. These versions remain the top choices for enterprise deployments.
Performance Enhancements
Microsoft has claimed that Windows 11 26H1 offers improved performance and battery life on new ARM silicon. However, a more notable change is the removal of .NET Framework 3.5 from the list of Windows Features on Demand. This legacy framework, which has been around for almost two decades, will no longer be included as an optional component.
End of Support for .NET Framework 3.5
Starting with Windows 11 version 26H1, .NET Framework 3.5 is available only as a standalone installer. It remains part of Windows 11 25H2 but will not carry over to the latest version. The official end of support date is set for January 9, 2029, prompting developers to start migrating their applications.
Implications for Legacy Applications
For now, only new devices equipped with Snapdragon X2 processors running Windows 11 26H1 will be impacted by this change. However, businesses relying on older applications may find compatibility issues in the near future. While Microsoft assures users of “strong backward compatibility,” the removal of .NET Framework 3.5 could complicate matters.
