MC1282566: Power Apps - Enable online mode to access Dataverse for Canvas apps
We are announcing the ability to enable online mode to access Dataverse
MC1282565: Exchange Online, SharePoint Online, and Microsoft Teams: April 2026 industry-wide DigiCert Global Root CA (G1) distrust
Starting April 15, 2026, browsers and platforms will distrust DigiCert Global Root CA (G1). Microsoft 365 services use newer certificates, so most users won't be affected. Legacy scenarios may face TLS errors. If issues arise, verify the certificate chain and contact Microsoft Support referencing...
MC1282562: Microsoft Purview eDiscovery: Naming and description fields will restrict certain special characters
Starting mid-May 2026, Microsoft Purview eDiscovery will restrict the use of +, -, =, @, /, and * in naming and description fields for cases, holds, searches, and review sets. Existing entities remain unaffected unless edited, which will trigger validation. No admin action is required, but user c...
MC1282554: Power Platform - Block sending customer data from Dataverse audit events to Purview Activity logging
We are announcing the ability to block customer data from being sent
MC1282551: Power Apps - Supervise autonomous agents with agent feed
We are announcing the ability to supervise autonomous agents with agent feed
MC1282308: Message center post structure updates may require admin script changes
Microsoft 365 Message center post headings will be standardized starting May 16, 2026, affecting admins using scripts or automation based on old headings. Update scripts to recognize new headings like "What and Why" and "Rollout Schedule" to avoid failures and ensure downstream systems work corre...
MC1282306: Modernized Change Management for Microsoft 365
Microsoft 365 introduces a modernized change management model with flexible release audiences (Frontier, Standard, Deferred), enhanced Message center communications, and AI-powered insights via the MCP Server. Rolling out mid-April 2026, it offers IT teams greater clarity, control, and proactive ...
MC1281507: Microsoft 365 Copilot: Discover Copilot actions in OneDrive/SharePoint file preview
Starting late April 2026, Microsoft 365 Copilot will show suggested actions like summarizing and FAQ generation directly in OneDrive and SharePoint file previews. Enabled by default for eligible users, this feature respects existing permissions and policies, requiring no admin action but user awa...
MC1281506: Planned breaking changes to ASIM KQL functions used by Microsoft Sentinel for Developers
Microsoft Sentinel for Developers will have planned breaking changes to ASIM KQL functions, updating _Im_ProcessCreate to use targetusername_has instead of targetusername. Organizations should review and update queries by May 25 or later to avoid disruptions. Rollout dates will be announced later.
MC1281502: Planned Maintenance: Windows 365 Service
Windows 365 will undergo planned maintenance from April 20-24, 2026, during non-peak hours by region, causing brief automatic reconnections lasting under a minute. No downtime is expected, and users can reconnect freely. No action is needed, but notifying helpdesk and users is recommended.
MC1281426: Power Platform - Copilot hub - new model-driven app settings for Data entry, Data exploration, and Summary
We are announcing new Copilot hub settings that allow administrators to disable
MC1280564: Microsoft Purview: Migration tool in Unified Catalog to migrate classic glossary terms
Microsoft Purview introduces a built-in migration tool in Unified Catalog for Data Governance Admins and Stewards to migrate classic glossary terms, templates, and relationships. Migration begins public preview in April 2026 and general availability in July 2026. Classic terms become read-only po...