MC1309508: Updates available for Microsoft 365 Apps for Monthly Enterprise Channel
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
No access to your tenant or devices. Every item links to its source. What this means
Week 20 · 11 May – 17 May 2026 UTC · assess the changes, then plan the next dates.
Message CenterMicrosoft 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
Message CenterMicrosoft 365 Copilot
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 Copilot Chat
Message CenterPurview
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterTeams
ReleasesMicrosoft Graph PowerShell SDK
Tool release · Microsoft Graph PowerShell SDK release notes
ReleasesWindows Terminal
New version · GitHub release record · package availability may differ
RoadmapMicrosoft 365 Copilot
SecurityGitLab
Security advisory · GitLab patch releases
Message CenterPurview2 source records
Message Center · Prevent or fix issues · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite, Microsoft Purview
Microsoft asks admins to prevent or fix an issue
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite, Microsoft Purview
Message CenterTeams
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Microsoft marks it a major change
Message CenterWindows
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
Microsoft marks it a major change
ReleasesWindows / Windows Server2 source records
Security release
Windows 10, version 1607, Windows Server 2016
Monthly security release
Security release
Windows 10, version 1809, Windows Server 2019
Monthly security release
ReleasesWindows Server2 source records
Security release
Windows Server 2025
Monthly security release
Security release
Windows Server 2022
Monthly security release
ReleasesWindows4 source records
Security release
Windows 11, version 23H2
Monthly security release
Security release
Windows 10, version 21H2, Windows 10, version 22H2
Monthly security release
Security release
Windows 11, version 26H1
Monthly security release
Security release
Windows 11, version 24H2, Windows 11, version 25H2
Monthly security release
SecurityMicrosoft Security Update Guide
MSRC release notes · Microsoft Security Update Guide
Monthly security release notes
Dates.NET
End of servicing
Updates and guidanceAzure2 source records
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Updates and guidanceMicrosoft Graph38 source records
Graph announcement · 5 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 1 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 16 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 16 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Updates and guidanceOpenAI
Product news · OpenAI API changelog
Updates and guidanceSentinel
Updates and guidanceWindows
Windows news · Windows message center
Message CenterExchange
Message CenterMicrosoft 365 Apps
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.