WEEKLY BRIEFING · 25 MAY – 31 MAY 2026 · UTC
Full source inventory · public sources only
Week 22 sources
Microsoft published 3 Windows KB releases (3 optional previews). No new MSRC release that week. 26 roadmap changes, led by Microsoft 365 Copilot (9) and Teams (6). 1 lifecycle milestone fall in the next 30 days. 5 Azure updates. 8 Windows and security articles from Microsoft blogs.
3Windows KB releases
26Roadmap changes across 8 products
8Windows and security articles
Windows releases3
Windows and security news8
Lifecycle milestones in the next 30 days1
- End of servicing: Microsoft Configuration Manager, Version 2409 6 Jun
Product news22
Microsoft Graph · 5
- Sites and lists (beta): 6 API change passages27 May
- Backup storage (beta): 29 API change passages27 May
- Identity and access (v1.0): 2 API change passages27 May
2 more
Google Gemini · 4
- Deprecation announcement: The gemini-3.1-flash-image-preview and gemini-3-pro-image-preview models are deprecated and will be shut down on June 25, 2026.28 May
- Released gemini-3.1-flash-image (Nano Banana 2) and gemini-3-pro-image (Nano Banana Pro), the generally available (GA) versions of our native visual models, Gemini 3.1 F…28 May
- Video-to-image generation support28 May
OpenAI · 4
- For organizations without ZDR enabled, prompt_cache_retention now defaults to 24h instead of in_memory, enabling extended prompt caching by default.29 May
- Released chat-latest snapshot which points to the latest Instant model currently used in ChatGPT.28 May
- Added new Admin API capabilities for managing spend alerts, model allowlists, data retention settings, and hosted tool permissions, plus querying granular billing line i…26 May
1 more
Azure · 2
- [Preview] CIS Benchmarks on Azure; Now for Windows Server28 May
- [Now Generally Available] Customizable Security Baseline Policies in Machine Configuration!28 May
Windows 365 · 2
- Importing custom images from an Azure Compute Gallery now generally available25 May
- Teams RemoteApp and CloudApp support for Windows App is now generally available25 May
Azure PowerShell · 1
Intune · 1
Microsoft 365 Blog · 1
PowerShell · 1
Ubiquiti UniFi · 1
Azure updates5
- Generally Available: Azure Site Recovery Support for Performance Plus Managed Disks29 May
- Generally Available: Application Gateway for Containers – Service Mesh integration with Istio28 May
- Generally Available: Multiparty private offers in Microsoft Marketplace expand to 30 countries in Europe27 May
- Public Preview: Azure Virtual Network Manager integration with Virtual WAN26 May
- Generally Available: Virtual network flow logs connector with Microsoft Sentinel26 May
From the community4
Microsoft 365 roadmap26
Microsoft 365 Copilot · 9
- Microsoft Copilot (Microsoft 365): Copilot suggested rename29 May
- Microsoft Copilot (Microsoft 365): Customize AI-generated notes in meeting recap29 May
- Microsoft Copilot (Microsoft 365): Real-time voice interactions in a podcast in Word29 May
6 more
- Microsoft Copilot (Microsoft 365): Submit agent to Agent Store from Agent Builder29 May
- Microsoft Copilot (Microsoft 365): Copilot Shortcuts for Pages on Mobile27 May
- Microsoft Copilot (Microsoft 365): MCP-Based Agent Enablement for U.S. Government Clouds27 May
- Microsoft Copilot (Microsoft 365): Now smarter with visuals: Declarative Agents leverage embedded images for richer, more accurate answers27 May
- Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Customers can connect M365 Copilot with 15Five to surface team priorities and recognition with Copilot Connector27 May
- Microsoft Copilot (Microsoft 365): Start writing, coding, and creating with Copilot in Pages26 May
Teams · 6
- Microsoft Teams: Account Switching for Native Mac Controls via Dock and Menu Bar27 May
- Microsoft Teams: Minimized meeting window enhancements27 May
- Microsoft Teams: Simplified Teams app bar to create a cleaner and more focused experience.27 May
3 more
Outlook · 5
- Outlook: Mail Merge (Advanced) on Outlook on the Web and new Outlook for Windows29 May
- Outlook: Sort improvements to the message list29 May
- Outlook: All Accounts view (Unified Inbox) brings your email into a single inbox view27 May
2 more
Purview · 2
- Microsoft Purview: Insider Risk Management - Unified alert queue27 May
- Microsoft Purview: Data Loss Prevention – Export DLP and Label Policy Configurations26 May
4 more products · 4 changes
Microsoft 365 · 1
Microsoft 365 app · 1
Microsoft Edge · 1
SharePoint · 1
Other public updates51
- Microsoft Viva Glint: Export Heat Map reports as editable PowerPoint slides29 May
- Microsoft Purview: Information Protection- File Labeler and File Viewer for MacOS29 May
- SharePoint Pages: Updates to the Toolbox within the Content pane29 May
- Shared and delegate mailbox scheduling for events29 May
- Microsoft Purview Data Security Triage Agent will include sensitive data remediation through Microsoft Teams29 May
46 more
- Microsoft Teams: Information Barriers enforcement for same‑tenant users in external group chats29 May
- Microsoft 365 Archive: file-level archiving public preview29 May
- Conditional Access policies now apply to Windows Hello for Business and macOS Platform SSO registration29 May
- Microsoft Purview | Data Lifecycle Management - Archive SharePoint files under retention28 May
- Microsoft 365 Copilot app: Simplified, chat-centered experience28 May
- Microsoft Clipchamp: Licensing SKU and service plan naming update28 May
- Microsoft Teams: Guest invitation emails will be sent from the inviter’s email address28 May
- Microsoft Entra ID SSPR will require registered authentication methods starting November 9, 202628 May
- Microsoft Copilot Studio: Mistral Medium 3.5 will be available (admin opt-in required)28 May
- Microsoft 365 Apps: Cloud update – simplified channel management (public preview)28 May
- Dynamics 365 Contact Center- Use representatives for commercial proactive engagement28 May
- Dynamics 365 Project Operations - Task level calendars for precise planning28 May
- Dynamics 365 Contact Center – Enable AI-assisted time-off and swap requests28 May
- Dynamics 365 Customer Insights - Data- Increase agent accuracy by grounding the agent in customer insights28 May
- Microsoft Power Automate - Export object-centric process mining data to Microsoft Fabric semantic model28 May
- Power Apps- Enhance row summaries in model-driven apps28 May
- Power Automate- Encrypt and decrypt data with PGP28 May
- Dynamics 365 Contact Center - Consult, transfer securely for PSTN numbers, and IVR28 May
- Microsoft Power Automate - Configure notifications for desktop flow checker in admin portal28 May
- Power Automate - View property value expanded inline in the new cloud flow designer28 May
- Dynamics 365 Contact Center - Delight your customers with the enhanced chat widget28 May
- Dynamics 365 Sales - Accelerate Sales Opportunity Agent deployment with simplified admin configuration28 May
- Microsoft 365 Usage Analytics Power BI template app will be retired27 May
- Microsoft Teams: Teams Rooms Builder in the Pro Management portal27 May
- Microsoft Teams: Profanity filter disabled by default for live captions27 May
- Microsoft Defender XDR: Password protection account action buttons27 May
- New entry point for "Create pages with Copilot in SharePoint"27 May
- Support for disabling file previews in Microsoft Teams27 May
- PowerPoint Live adds the ability to reload updated presentations during meetings27 May
- Assign open shifts in Microsoft Teams Shifts27 May
- Save your event as template to reuse event configurations27 May
- Dynamics 365 Contact Center – Update to provide greater granularity to session rejection reasons27 May
- Dynamics 365 Contact Center - Protect customer experience on direct inward dialing lines with overflow actions27 May
- Dynamics 365 Sales - Improve opportunity data completeness with AI-powered data enrichment27 May
- Dynamics 365 Project Operations - Enable subcontractor vendor invoice matching to actuals27 May
- Dynamics 365 Project Operations - Enable Project Revenue recognition using cost estimate instead of EAC27 May
- Dynamics 365 Contact Center - Automatically handle waiting conversations when queues close or become unstaffed27 May
- Updates available for Microsoft 365 Apps for Current Channel27 May
- Microsoft Teams: Secure Reliable Transport (SRT) support for Teams meetings and events26 May
- Power BI integration with Microsoft 365 Copilot26 May
- Microsoft 365 Copilot: Planner agent general availability26 May
- Microsoft Defender for Office 365: ZAP expands cleanup to Deleted Items26 May
- Microsoft Purview | eDiscovery: Enhancement of Loop and Copilot Pages in review and export26 May
- [Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport26 May
- Hotpatch-enabled devices will restart after installing the June 2026 Windows update26 May
- The May 2026 Windows non-security preview update is now available26 May
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.