Announcing new builds for 25 September 2026

[TWF Bot]

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental channels. New builds this week Select your channel below to view its release notes:

• Beta: Build 26220.9568
• Experimental: Build 26340.9577

For those on other specific Windows build versions, here are today’s new builds and release notes:

• Beta (26H1): Build 28020.3112
• Experimental (26H1): Build 28120.3122
• Experimental (Future Platforms): We do not have a release for Experimental (Future Platforms) today.

Notable new features:​

[Start menu - Phone companion]​

Release channel: Experimental

• See more of your latest activities at a glance: Phone companion for the Start menu now shows more of your recent activity, with a scrollable side pane so you can view even more without leaving the Start menu.

[caption id="attachment_179178" align="aligncenter" width="1920"] The phone companion in Start with a scrollable pane for viewing more recent mobile activity.[/caption]

[Settings]​

Release channel: Experimental

• Windows Insiders will now see Energy Recommendations directly in Quick Settings, making it easier to discover and take actions that can help reduce energy consumption and improve device sustainability.

[caption id="attachment_179179" align="aligncenter" width="550"] The Power & battery settings page showing Energy Recommendations, including suggested actions.[/caption] Thanks, Stephen and the Windows Insider Program team

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