Microsoft Defender for Identity classic alerts will transition to the XDR detection platform starting mid-December 2025, improving detection accuracy. Admins must update workflows, use new Detector IDs, and reconfigure alert exclusions with XDR Alert Tuning rules. The rollout completes by early January 2026.
We are announcing the ability to enable fully autonomous, real-time, multichannel customer support by leveraging the Customer Intent Agent’s advanced AI capabilities in Dynamics 365 Contact Center. This feature will reach general availability on November 30, 2025.
We are announcing the general availability of Dataverse Model Context Protocol (MCP) Server. The Dataverse MCP Server has been available in preview since May 2025 and will reach general availability to all regions on December 15, 2025.
Python in Excel allows you to bring the capabilities of Python directly into the Excel grid. As a part of this feature, users will be able to add Python formulas directly into their workbooks without any installation required. These Python formulas will be run by Excel in a secure container on the Microsoft Cloud with enterprise-level security as a compliant Microsoft 365 connected experience.
Customers can now customize their M365 profile cards by adding custom properties unique to their organization. These properties can be sourced from external systems like HR platforms, enriching user profiles with relevant organizational details. Tenant admins can configure these properties with a display name and icon, which will appear in the Contact Information section of the profile cards.
Microsoft Teams Rooms on Windows (Pro only) will support Miracast for wireless content sharing starting January 2026. The feature is off by default and can be enabled by admins via the IT portal. Compatible devices and Miracast support on laptops are required. No user impact unless enabled.
Tenant admins will soon manage SharePoint site branding centrally via PowerShell, enabling enforcement of enterprise themes, disabling custom branding per site, auditing changes, and applying themes during site creation. Theme management will centralize in the primary geo, with rollout from late 2025 to early 2026.
Starting mid-January 2026, custom scripting will be disabled by default on the tenant-wide SharePoint App Catalog site to enhance security. App operations remain unaffected, but new custom script changes will be blocked. Admins can temporarily opt out using PowerShell commands and should inform site owners accordingly.
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