WEEKLY BRIEFING · 20 APR – 26 APR 2026 · UTC
Public sources only
48 public updates in week 17
No new MSRC release that week. 27 roadmap changes, led by Microsoft 365 Copilot (11) and Teams (5). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 3 lifecycle milestones fall in the next 30 days. 5 Windows and security articles from Microsoft blogs.
0Windows KB releases
0MSRC release notes
27Roadmap changes across 9 products
5Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows and security news5
- Your Windows update experience just got updated24 Apr
- We’re moving to Experimental and Beta! Announcing new builds for 24 April 202624 Apr
- New IT admin policy: Remove Microsoft Copilot app23 Apr
- Ask Microsoft Anything about Secure Boot certificate updates22 Apr
- Oracle Critical Patch Update Advisory - April 202621 Apr
Lifecycle milestones in the next 30 days3
- Retirement: Azure Application Gateway v1 28 Apr
- Retirement: Custom Commands 30 Apr
- End of servicing: .NET 9 12 May
Microsoft product news16
PowerShell release notes · 3
- v7.6.1 Release of PowerShell21 Apr
- v7.5.6 Release of PowerShell21 Apr
- v7.4.15 Release of PowerShell21 Apr
OpenAI API changelog · 2
- Released GPT-5.5, a new frontier model for complex professional work, to the Chat Completions and Responses API, and released GPT-5.5 Pro for Responses API requests for…24 Apr
- Released GPT Image 2, a state-of-the-art image generation model for image generation and editing.21 Apr
Microsoft Purview Blog · 2
- From Oversharing to Enforcement: A Practical Guide to AI Data Security with Microsoft Purview23 Apr
- Priority Cleanup V2: Faster, Simpler Data Purging for Exchange Online20 Apr
Gemini API release notes · 2
- Released gemini-embedding-2 as generally available (GA).22 Apr
- Released new versions of the Deep Research agent with collaborative planning, visualization support, MCP server integration, and File Search: deep-research-preview-04-20…21 Apr
Azure Virtual Desktop Blog · 2
- Announcing public preview of redundant TCP support for RDP Multipath for Azure Virtual Desktop21 Apr
- Announcing new hybrid deployment options for Azure Virtual Desktop20 Apr
Microsoft OneDrive Blog · 2
- Innovations in OneDrive for collaboration, intelligence, and control21 Apr
- Introducing Markdown support in SharePoint and OneDrive21 Apr
Microsoft 365 Blog · 1
Microsoft Entra Identity Platform Blog · 1
Microsoft Graph changelog · 1
Microsoft 365 roadmap27
Microsoft 365 Copilot · 11
- Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data24 Apr
- Microsoft Copilot (Microsoft 365): Copilot Chat in Word, Excel, PowerPoint, and OneNote for GCC-M24 Apr
- Microsoft Copilot (Microsoft 365): Say "Hey Copilot" to activate voice conversations with the Microsoft 365 Copilot app on Windows24 Apr
8 more
- Microsoft Copilot (Microsoft 365): Infinite Scroll Chat History23 Apr
- Microsoft Copilot (Microsoft 365): Unified Plus menu (+)22 Apr
- Microsoft Copilot (Microsoft 365): ): Create presentations with Work IQ using Agent Mode in PowerPoint21 Apr
- Microsoft Copilot (Microsoft 365): Create executive summary slides with Agent Mode in PowerPoint21 Apr
- Microsoft Copilot (Microsoft 365): Create executive summary slides with Agent Mode in PowerPoint21 Apr
- Microsoft Copilot (Microsoft 365): Create executive summary slides with Agent Mode in PowerPoint21 Apr
- Microsoft Copilot (Microsoft 365): Create presentations with Work IQ using Agent Mode in Copilot in PowerPoint21 Apr
- Microsoft Copilot (Microsoft 365): Create presentations with Work IQ using Agent Mode in PowerPoint21 Apr
Teams · 5
- Microsoft Teams: Backup RTMP Support for Teams town halls22 Apr
- Microsoft Teams: Annotations on Teams Single Window Sharing on Windows OS21 Apr
- Microsoft Teams: Resizable Gallery in Teams Meetings21 Apr
2 more
SharePoint · 3
- SharePoint: File Actions in SharePoint23 Apr
- SharePoint: AI in SharePoint can generate code to translate your intent into reliable workflows21 Apr
- SharePoint: Governance Reviews Dashboard for Site Owners21 Apr
Outlook · 2
- Outlook: Multiselect events on calendar surface22 Apr
- Outlook: Summarize email with Copilot chat in Outlook22 Apr
5 more products · 6 changes
Viva · 2
- Microsoft Viva: Expanded published report recipients24 Apr
- Microsoft Viva: Glint: AI-generated survey insights with Copilot Highlights22 Apr
Exchange · 1
Microsoft 365 admin center · 1
OneDrive · 1
Planner · 1
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.