Broader Windows Autopatch availability to Microsoft 365 Government Community Cloud (GCC)
GCC Windows Autopatch no longer requires Enterprise SKU
Windows Autopatch für GCC benötigt keine Enterprise-SKU mehr
All Microsoft 365 changes — page 21/30
1,489 Message Center announcements and curated “What’s new” posts, newest first (50 per page). Each entry links to its change page with AI summary, rollout dates and the full Microsoft text.
Tune in May 18 to ask Microsoft anything about Secure Boot
Secure Boot certificates expire 2026 — preparation AMA available
Secure-Boot-Zertifikate verlieren 2026 Gültigkeit — AMA zur Vorbereitung geplant
Action required: Upgrade macOS 13 devices to maintain Teams desktop access
Teams desktop on macOS 13 blocks in May 2026
Teams-Desktop auf macOS 13 wird im Mai 2026 blockiert
(Updated) Collect Diagnostics change to Get Diagnostics for Outlook Mobile and Mac
Renamed diagnostic feature with new backend service
Neuer Name und Backend-Service für Outlook-Diagnosefunktion
The May 2026 Windows security update is now available
Windows security update May 2026 with enhanced update infrastructure
Windows-Sicherheitsupdate Mai 2026 mit verbesserter Update-Infrastruktur
(Updated) Microsoft Teams Town halls: Upload custom backgrounds in Manage what attendees see
Custom background upload for Teams town halls needing Enterprise license
Benutzerdefinierte Hintergründe für Teams-Town-Halls mit Lizenzanforderung
(Updated) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone)
AI-powered features added to OneNote Mobile for Copilot Premium users
Neue AI-Funktionen in OneNote Mobile für Copilot-Premium-Nutzer
Follow up to MC1268930: Retirement of default app-only consistency in Microsoft Entra
App-only consistency default for Entra Graph is disabled
App-only-Konsistenzstandard in Entra Graph wird deaktiviert
(Updated) Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Android
Teams Rooms Android AI-notes with SharePoint storage and account auth
AI-Notizen in Teams Rooms Android mit SharePoint-Speicher und Account-Berechtigung
Configuring firewall and proxies for smooth Windows updates
Wildcard DNS and TLS trust for Windows Update
Wildcard-DNS und TLS-Zertifikate für Windows Update
(Updated) Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Windows
AI notes for Teams Rooms on Windows with SharePoint storage
AI-Notizen für Teams Rooms on Windows mit SharePoint-Speicher
Updates to SharePoint home sites
Home sites get new features and renamed application
SharePoint-Home-Sites erhalten neue Funktionen und umbenannte App
Microsoft Purview Insider Risk Management: View AI interaction messages for anonymized users
AI message viewing for anonymized users in risk investigations
AI-Nachrichtenansicht für anonymierte Benutzer in Insider Risk Management
(Updated) Microsoft Purview: Data loss prevention inline controls for prompts in Microsoft Foundry apps and agents
Inline DLP for Foundry prompts now active
Inline-DLP für Foundry-Prompts jetzt aktiv
(Updated) 2026 Microsoft 365 Packaging Update
Packaging update enables security features and increases storage
Paketupdate aktiviert Sicherheitsfeatures und erhöht Speicher
Microsoft Exchange Online: Upcoming secure-by-default changes for Exchange APIs
New Graph permissions require admin approval in default policy
Neue Graph-Rechte erfordern Admin-Zustimmung in Standard-Policy
(Updated) Microsoft Entra: Upcoming changes to federatedTokenValidationPolicy default settings
Federated authentication now blocks跨域 by default
Standard-Federations-Policy blockiert jetzt Cross-Domain-Sign-ins
Default compose font: Administrators can allow users to change the default font in Outlook for iOS and Android
Intune policy keys for font customization control
Neue Intune-Schlüssel für Schriftart-Konfigurationssteuerung
(Updated) SharePoint News web part: New Filmstrip layout and multi-site news support
News web part updated with Filmstrip design and cross-site functionality
SharePoint News web part: Filmstrip-Layout + Multi-Site-Unterstützung hinzugefügt
Finance and operations apps- Boost agent performance with optimal tool execution paths in Dynamics 365 ERP MCP
Tool sequence optimization boosts agent capabilities in ERP MCP
Werkzeugsequenzoptimierung steigert Agentenleistung in ERP MCP
(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook
Native certificate storage in contacts now available by default
S/MIME-Zertifikatsverwaltung in Kontakten standardmäßig aktiviert
(Updated) Microsoft 365 Copilot: Schedule prompts in Agent Builder
Scheduled prompt execution added to Agent Builder
Geplante Prompt-Auslösung in Agent Builder hinzugefügt
(Updated) Microsoft Purview compliance portal: Purview SDK embedded in Agent Framework SDK
Purview compliance now directly embeddable in agent frameworks
Purview-SDK jetzt direkt in Agent Framework SDK integrierbar
Teams meeting templates: Fundamentals and security upgrade
Meeting templates now requires updated client versions
Meeting-Vorlagen erfordern nun aktualisierte Client-Versionen
(Updated) Unlocking deeper Copilot insights with enhanced Power BI filtering
Enhanced Power BI filtering attributes enabled
Erweiterte Power BI-Filterattribute in Viva Insights
Onmicrosoft.com outbound email sending limit
Onmicrosoft.com email sending capped at 100 daily messages
onmicrosoft.com-Mail-Senden limitiert auf 100 Nachrichten täglich
Dynamics 365 Customer Service - Enable enhanced screen recording controls for admins
Admin screen recording controls enhanced in Dynamics 365
Neue Bildschirmaufnahmesteuerung für Dynamics 365 Customer Service
Microsoft 365 Copilot Cowork: Plugins, connectors, and partner integrations (Frontier)
Copilot Cowork now supports plugins and partner integrations
Copilot Cowork unterstützt nun Plugins und Partner-Integrationspunkte
Microsoft Purview: Data Security Investigations – Introducing optical character recognition (OCR) support
DSI adds OCR support for image-based text extraction
DSI unterstützt OCR zur Bildtextextraktion und Analyse
Upgrade to Windows Server 2025, now via Windows Update
Windows Server 2025 in-place upgrades enabled through Windows Update
In-place-Server-Upgrades auf Windows Server 2025 über Windows Update
(Updated) End of support of Microsoft Entra SSO plug-ins for Atlassian Jira and Confluence Data Center
SSO plugin support for Atlassian Data Center ending 2026
SSO-Plug-in-Support für Atlassian Data Center endet 2026
Change Optics report for Exchange Online begins public preview
Exchange Online change monitoring reporting activated
Change-Optics-Bericht für Exchange Online aktiviert
Microsoft Purview | Data Loss Prevention- DLP to restrict processing external emails in M365 Copilot and Copilot Chat
DLP blocks external email processing in Copilot
DLP blockiert externe E-Mail-Verarbeitung in Copilot
Dynamics 365 Commerce - Display distance in kilometers on the Store Commerce app
Distance units auto-detected by location
Abstandseinheiten automatisch pro Standort in km/meilen
Microsoft Entra: App Instance Lock enabled by default for new applications
App Instance Lock now defaults enabled on new Entra applications
App Instance Lock ist jetzt Standard für neue Entra-Anwendungen
(Updated) Use sensitivity labels to block all connected experiences that analyze content in Word, Excel, and PowerPoint
Full content analysis blocked in Office apps by sensitivity labels
Alle Inhaltsanalysen in Office-Apps per Empfindlichkeitslabel blockiert
Microsoft 365 Copilot: Claude Sonnet 4.5 retiring for Copilot Studio (automatic migration to Claude Sonnet 4.6)
Forced model upgrade from Claude Sonnet 4.5 to 4.6
Modelmigration von Claude Sonnet 4.5 auf 4.6 mit Ruhezustand
Teams Phone call transfer improvements
Revised phone call transfer interface
Call-Transfer-Oberfläche vereinfacht und angepasst
The April 2026 Windows non-security preview update is now available
Windows 11 update with Xbox Mode and policy changes released
Windows 11-Update mit Xbox-Modus und Policy-Änderungen veröffentlicht
Dynamically remove apps from managed Windows 11 devices
Dynamic app uninstall via PFN policy matching
MSIX/APPX-Anwendungen per PFN-Policy dynamisch entferhbar
(Updated) Microsoft 365 Copilot will use private community and event content as grounding sources
Copilot now uses private communities/events as grounding
Copilot nutzt jetzt private Communities/Events als Grundlage
Microsoft Purview | Data Security Investigations: Introducing new custom examination focus areas
DSI enhanced with customizable AI-powered analysis zones
DSI: Benutzerdefinierte Untersuchungsschwerpunkte mit AI-Analyse
Microsoft Teams: Retirement of Together mode
Teams replaces Together Mode with Gallery meeting view
Together Mode in Teams wird durch Gallery-Ansicht ersetzt
(Updated) Microsoft Viva Insights– Update to how users are measured across reports
Unified user measurement model implemented for Viva Insights
Einheitliche Nutzer-Messung für Viva Insights implementiert
(Updated) Microsoft Teams: Enhanced cross-platform join via Session Initiation Protocol (SIP) for Teams Rooms on Android
SIP meeting join capability added for Android Teams Rooms
SIP-Konferenzbeitritt für Android-basierte Teams Rooms hinzugefügt
An updated version of the April 2026 Scan Cab is available
Scan Cab updated with VS 2026 security metadata
Scan Cab aktualisiert mit VS 2026-Sicherheitsmetadaten
Power Platform - PayGo not required with Self-Service Disaster Recovery (SSDR)
SSDR now requires no PayGo subscription and doubles storage consumption
SSDR erfordert jetzt kein PayGo-Abo und verdoppelt den Speicherverbrauch
(Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
Exchange POP/IMAP TLS 1.0/1.1 support deprecated
TLS 1.0/1.1 für Exchange POP/IMAP werden abgeschaltet
(Updated) Microsoft Purview | Data Loss Prevention: New guided diagnostics experience for DLP
DLP policy diagnostics with Copilot analytics
Purview DLP: Neue Diagnosefunktion mit Copilot-Unterstützung
Assess Secure Boot certificate status with Microsoft Defender
Device certificate posture monitoring added for Secure Boot 2023
Secure Boot 2023-Zertifikatsstatus jetzt zentral überwachbar