WEEKLY BRIEFING · 1 DEC – 7 DEC 2025 · UTC
Full source inventory · public sources only
Week 49 sources
Microsoft published 2 Windows KB releases (2 optional previews). No new MSRC release that week. 5 roadmap changes, led by Intune (2) and Purview (2). 12 Azure updates, including 1 retirement. 8 Windows and security articles from Microsoft blogs.
2Windows KB releases
5Roadmap changes across 3 products
8Windows and security articles
Windows releases2
Windows and security news8
Product news39
Defender · 15
- Defender for Endpoint Android 1.0.8321.01012 Dec
- (GA) Advanced hunting now supports custom functions that use tabular parameters.1 Dec
- (GA) Microsoft Security Copilot in Microsoft Defender now lets you hunt for threats by using natural language with the Threat Hunting Assistant.1 Dec
12 more
- (GA) The hunting graph in advanced hunting is now generally available.1 Dec
- (GA) The Microsoft Security Copilot Threat Intelligence Briefing Agent in Microsoft Defender is now generally available.1 Dec
- (Preview) Microsoft Security Copilot in Microsoft Defender now includes the Dynamic Threat Detection Agent, an always-on, adaptive backend service that uncovers hidden t…1 Dec
- (Preview) The following advanced hunting schema tables are now available for preview: The CampaignInfo table contains information about email campaigns identified by Mic…1 Dec
- ADWS LDAP search in Advanced Hunting1 Dec
- Defender for Endpoint Linux 101.25092.00021 Dec
- Defender for Endpoint Linux 101.25092.00051 Dec
- Defender for Endpoint macOS 101.25102.00191 Dec
- Increased availability of App governance unused app insights feature (Preview)1 Dec
- Microsoft Defender Experts — Product Terms1 Dec
- Microsoft Defender for Cloud Apps permissions are now integrated with Microsoft Defender unified RBAC1 Dec
- New properties for 'sensorCandidate' resource type in Graph-API (preview)1 Dec
Microsoft Graph · 7
- External data connections (beta): 19 API change passages5 Dec
- Teamwork and communications (beta): 1 API change passage5 Dec
- Identity and access (beta): 6 API change passages3 Dec
4 more
Google Gemini · 3
- Gemini 3 billing for Grounding with Google Search will begin on January 5, 2026.5 Dec
- Deprecation announcement: The gemini-2.5-flash-image-preview model will be shut down January 15, 2026.4 Dec
- Deprecation announcement: The text-embedding-004 model will be shut down January 14, 2026.3 Dec
Outlook · 3
- [FIXED] Classic Outlook shows error "Contacting the server for information"1 Dec
- [FIXED] Contact Groups created from Outlook contacts get added with /o=ExchangeLabs1 Dec
- [FIXED] Error “The text formatting command is not available” when opening emails in classic Outlook or documents in Word for Windows1 Dec
Azure · 1
Azure Arc · 1
Azure CLI · 1
- Azure CLI 2.81.02 Dec
Commercial changes · 1
Copilot Studio · 1
dbatools · 1
- dbatools 2.7.121 Dec
Entra PowerShell · 1
Global Secure Access · 1
Maester · 1
- Maester 2.0.06 Dec
Power Platform · 1
Windows 365 · 1
Azure updates12
- Generally Available: Zonal placement for Azure file shares Azure Files Premium LRS in select regions.5 Dec
- Public Preview: Mistral Large 3 in Foundry4 Dec
- Generally Availaible: Azure MCP Server support for Azure confidential ledger4 Dec
- Public Preview: Serverless workspaces in Azure Databricks4 Dec
- Generally Available: Azure Blob Storage SFTP - Resumable Uploads4 Dec
7 more
- Retirement: Remove dependency on these Azure ML SDKs before June 30, 20263 Dec
- Generally Available: Azure Database for PostgreSQL Flexible Server in Belgium Central3 Dec
- Generally Available: The credcheck extension in Azure Database for PostgreSQL Flexible Server3 Dec
- Generally Available: The ip4r extension in Azure Database for PostgreSQL Flexible Server3 Dec
- Generally Available: Update pg_squeeze to version 1.9.1 in Azure Database for PostgreSQL Flexible Server3 Dec
- Generally Available: Azure Load Balancer bandwidth metrics now support Protocol dimension3 Dec
- Generally Available: Perth - Azure Extended Zones1 Dec
From the community3
Microsoft 365 roadmap5
Intune · 2
- Microsoft Intune: Assignment filters support for Apple declarative device management (DDM)5 Dec
- Microsoft Intune: Recovery Lock management for macOS2 Dec
Purview · 2
- Microsoft Purview: Communication Compliance- Alert improvements2 Dec
- Microsoft Purview: Data Loss Prevention OCR Cost Estimator Support for MAC Endpoints2 Dec
Microsoft 365 Copilot · 1
Other public updates34
- Microsoft 365 admin center: Copilot settings – readiness6 Dec
- SharePoint: OneDrive and SharePoint – recognize text in PDFs6 Dec
- Workspaces in Edge: Upcoming migration to improved architecture6 Dec
- Microsoft Purview | Compliance Manager - AI Powered Regulatory Templates5 Dec
- Microsoft 365 Copilot: RSVP to meetings directly in Copilot chat5 Dec
29 more
- Microsoft Defender Threat Intelligence: Convergence with Microsoft Defender and Microsoft Sentinel5 Dec
- Microsoft Purview | Data Loss Prevention- Admin units support for Microsoft SharePoint Online5 Dec
- Microsoft Defender for Endpoint: New Microsoft Secure Score recommendations5 Dec
- Microsoft Teams: Network Device Interface (NDI) automatic binaries update for macOS5 Dec
- External authentication methods (EAM) – Public preview update5 Dec
- Autocorrect in Microsoft Teams compose5 Dec
- Secure Boot AMA: Ask Microsoft Anything on December 104 Dec
- New Windows Autopatch reports on CVEs4 Dec
- Microsoft 365 Copilot: GPT-5 Mode selector adds Auto, Instant, and Thinking modes4 Dec
- Updates available for Microsoft 365 Apps for Current Channel4 Dec
- Microsoft Excel: Insert Data from Image retires starting July 20263 Dec
- Microsoft Entra ID: Enhance protection of the authentication experience by blocking external script injection3 Dec
- Microsoft Purview | Data lifecycle management – Auto archive for Exchange Online3 Dec
- New enrollment dashboard and data deletion controls in Teams Admin Center3 Dec
- Improved People Skills Admin configuration3 Dec
- Microsoft Purview | Information Protection – Email attachment preview in Activity explorer3 Dec
- Message preview for channels, mentions, and reactions notifications3 Dec
- Microsoft Viva: Copilot Dashboard - Broader access to M365 Copilot Chat insights3 Dec
- Microsoft Secure Score: New recommendations for Microsoft Defender for Endpoint3 Dec
- Know Your Customer (KYC) required for Teams Phone porting requests2 Dec
- Update to EWS Access for Kiosk / Frontline Worker Licenses2 Dec
- Windows news you can use: November 20252 Dec
- Viva Engage: Update community cover photos in Teams for iOS.1 Dec
- Microsoft Planner: Support for Microsoft Information Protection (MIP) content sensitivity labels1 Dec
- Microsoft Teams: Network Device Interface (NDI) bandwidth increase1 Dec
- The November 2025 Windows non-security preview update is now available1 Dec
- New Microsoft Purview data security posture management experience1 Dec
- Dynamics 365 Project Operations - Edit per diem transaction date, exchange rate in expense management1 Dec
- Dynamics 365 Customer Service - Configure timeout rules override in SLA-based automatic actions1 Dec
Every line opens its detail page or the original Microsoft source. This briefing uses public sources only and says nothing about your tenant or devices.