Introducing Maester 2.2 🚀
Community post · Maester blog
Weekly briefing
Week 30 · 20 Jul – 26 Jul 2026 UTC · assess the changes, then plan the next dates.
All dated changes in this period
199 source records · 111 groupsCommunityVasil Michev
SharePoint Online throttling report
Community post · Vasil Michev
ReleasesVMware ESXi
VMware ESXi · 9.0: 9.0.2.0100 (Build 25595025)
New version · VMware ESXi releases
CommunityVasil Michev
The sad state of governance APIs for Copilot and Agent 365
Community post · Vasil Michev
SecuritySharePoint
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
CISA KEV deadline
CVE-2026-50522
Assessment context
CISA deadline passed 93 days ago
ReleasesAzure Kubernetes Service
Release 2026-07-17
Tool release · Azure Kubernetes Service release notes
Assessment context
Release notes name CVE-2026-53488, CVE-2026-47262, CVE-2026-34986
CVE-2026-53488CVE-2026-47262CVE-2026-3498672 release-note bullets
- On September 14, 2026, the preview property enableCustomCATrust will retire. After that date, the enableCustomCATrust=true node pool level field will no longer enable Custom Certi…
- AKS no longer supports creating node pools with Windows Server Annual Channel for Containers. Existing WSAnnual node pools are unaffected. For more information, see Windows Annual…
- AKS no longer supports creating node pools or clusters with Flatcar Container Linux for AKS. Existing node pools are unaffected. For more information, see Flatcar preview retireme…
CommunityJan Bakker
How to add granular amr claims to your SAML apps in Entra ID
Community post · Jan Bakker
CommunityOffice 365 for IT Pros (Tony Redmond)
Teams PowerShell Embraces Web Account Manager and Imposes Control Over Federated Chat
Community post · Office 365 for IT Pros (Tony Redmond)
CommunityOut of Office Hours (Michael Niehaus)
Still using WSUS? Patch Tuesday broke it…
Community post · Out of Office Hours (Michael Niehaus)
CommunityPaul Robichaux
Flying Friday: the one that was baffling
Community post · Paul Robichaux
Known issuesCommercial changes / Windows 365
Windows 365 GPU Frontline Select 256 GB SKU available on Aug 1
Partner announcement · Microsoft Partner Center announcements
Known issuesCommercial changes
Convert more trials into revenue on Microsoft Marketplace
Partner announcement · Microsoft Partner Center announcements
Updates and guidanceAnthropic Claude6 source records
Product news · 6 entries
- Effort is the primary control for steering Claude Opus 5: the model supports the full ladder (low, medium, high, xhigh, max), with max for capability-critical work.
Product news · Claude Platform release notes
- Mid-conversation tool changes are now in beta on Claude Fable 5, Claude Mythos 5, Claude Opus 4.8, and Claude Opus 5: add or remove tools between turns of a conversation…
Product news · Claude Platform release notes
- On Claude Opus 5, disabling thinking is allowed only at effort high or below: thinking: {"type": "disabled"} with effort xhigh or max returns a 400 error, a breaking cha…
Product news · Claude Platform release notes
Show the other 3 entries
- The fallbacks parameter now supports a "default" mode, which applies Anthropic's recommended fallback models by refusal category.
Product news · Claude Platform release notes
- We've launched Claude Opus 5 (claude-opus-5), a step-change improvement over Claude Opus 4.8.
Product news · Claude Platform release notes
- We've removed fast mode for Claude Opus 4.7.
Product news · Claude Platform release notes
Updates and guidanceIntune
From hours to minutes: Rethinking Microsoft Intune compliance reporting with the Export API
Product news · Microsoft Intune Blog
Updates and guidanceMicrosoft Entra2 source records
Product news · 2 entries
- Modernize SAP Identity Management with Microsoft Entra
Product news · Microsoft Entra Blog
- What's New in Microsoft Entra: July 2026
Product news · Microsoft Entra Blog
Updates and guidanceMicrosoft Graph10 source records
Graph announcement · 3 passages · 2 entries
- Identity and access (beta): 3 API change passages
Graph announcement · 3 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Identity and access (beta): 7 API change passages
Graph announcement · 7 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
Updates and guidanceTeams
Introducing smarter bot protection in Microsoft Teams meetings
Product news · Microsoft Teams Blog
Updates and guidanceWindows
Admin control for single sign-on prompts in Windows
Windows news · Windows message center
Message CenterMicrosoft 365 Apps
Message CenterMicrosoft 365 Copilot2 source records
Message Center action date · 2 entries
- MC1438569: M365 Copilot Agent now support multiple users
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Copilot (Microsoft 365)
Message CenterPurview
MC1438568: Microsoft Purview | Insider Risk Management triage agent summaries available in Microsoft Defender
Message Center · Stay informed · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterWindows
MC1438491: Admin control for single sign-on prompts in Windows
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
ReleasesExchange Online PowerShell
ExchangeOnlineManagement 3.10.1
Tool release · ExchangeOnlineManagement package releases
Assessment context
1 release-note bullet
- Fixed certificate-based authentication (CBA) flow bugs and few other minor performance issues.
RoadmapMicrosoft 365 Copilot
Microsoft 365: New profile cards for buildings, rooms and desks
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
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