Maester 3.0: a new test engine, and a heads-up for preview users
Community post · Maester blog
Weekly briefing
Week 41 · 5 Oct – 11 Oct 2026 UTC · assess the changes, then plan the next dates.
All dated changes in this period
730 source records · 376 groupsCommunityOffice 365 for IT Pros (Tony Redmond)
Using the Exchange Import-Export Graph API to Access Group Mailboxes
Community post · Office 365 for IT Pros (Tony Redmond)
CommunityOut of Office Hours (Michael Niehaus)2 source records
Community post · 2 entries
- Chocolatey terms are, umm, interesting
Community post · Out of Office Hours (Michael Niehaus)
- Copilot+ PCs suck, but they don’t, but that’s irrelevant, and the battle is elsewhere. It’s complicated.
Community post · Out of Office Hours (Michael Niehaus)
CommunityPatch My PC Blog
Inside Intune: Faster compliance updates for Windows devices
Community post · Patch My PC Blog
Known issuesAnthropic Claude3 source records
Service incident · 3 entries
- Anthropic (Claude): Elevated errors loading usage data on platform.claude.com
Service incident
Claude Console (platform.claude.com)
- Anthropic (Claude): Elevated errors on platform.claude.com
Service incident
Claude Console (platform.claude.com)
- Anthropic (Claude): Issue with spend limits
Service incident
Known issuesCommercial changes
Explore what's new in PostgreSQL
Partner announcement · Microsoft Partner Center announcements
Known issuesGitHub2 source records
Service incident · 2 entries
- GitHub: Incident with Git Operations, Issues, Actions and Pull Requests
Service incident
Git Operations, Pull Requests, Actions
- GitHub: Incident with Git Operations, Pull Requests and Actions
Service incident
Git Operations, Pull Requests, Actions
Known issuesOpenAI4 source records
Service incident · 4 entries
- OpenAI: Unable to create new ChatGPT Work threads in latest version of desktop app
Service incident
Codex in ChatGPT Desktop
Show the other 1 entries
Updates and guidanceAnthropic Claude8 source records
Product news · 8 entries
- Claude Max and Team plans now include monthly API credits.
Product news · Claude Platform release notes
- Code written for Claude Haiku 4.5 can break on Claude Haiku 5.5.
Product news · Claude Platform release notes
- In Claude Managed Agents, a cloud environment with limited networking now also applies its allowed_hosts to the web_search and web_fetch tools.
Product news · Claude Platform release notes
Show the other 5 entries
- In Claude Managed Agents, the web_fetch tool now fetches only URLs that have already appeared in the session, for example in the text of a user message, in a web_search…
Product news · Claude Platform release notes
- The Python and TypeScript SDKs now include classes, in beta, for the browser use tool and the computer use tool.
Product news · Claude Platform release notes
- We've launched Claude Haiku 5.5 (claude-haiku-5-5), our most capable model tuned for high-volume and latency-sensitive work.
Product news · Claude Platform release notes
- We've lowered the price of prompt cache reads on Claude Sonnet 5.5 from $0.20 USD to $0.10 USD per million tokens: 0.05x the base input price instead of 0.1x.
Product news · Claude Platform release notes
- With limited networking, creating a session fails with a 400 error when an enabled web tool's allowed_domains has an entry not within allowed_hosts.
Product news · Claude Platform release notes
Updates and guidanceAzure / SQL Server
Updates and guidanceAzure Arc
Public Preview: Onboard Kubernetes Clusters to Azure Arc with the Multicloud Connector
Product news · Azure Arc Blog
Updates and guidanceGlobal Secure Access
GSA coexistence with Palo Alto Networks
Guidance changed
Small wording edit: 1 word changed in 1 passage; no rule matched the changed words.
Assessment context
Small wording edit: 1 word changed in 1 passage; no rule matched the changed words. · Observed documentation change; policy effect and environment availability need review.
Updates and guidanceOpenAI4 source records
Product news · 4 entries
- GPT-6 and Intelligent UI for everyone
Product news · OpenAI News
- Helping teens learn, plan, and shape the future of AI
Product news · OpenAI News
- Radisson Hotel Group brings hotel discovery into ChatGPT
Product news · OpenAI News
Show the other 1 entries
- Updated the chat-latest snapshot, which points to the latest model available in ChatGPT for Plus, Pro, Business and Enterprise users.
Product news · OpenAI API changelog
Message CenterDefender2 source records
Message Center · Stay informed · 2 entries
- MC1490905: Microsoft Defender for Office 365: Post-delivery protection for malicious QR codes in Microsoft Teams
Message Center · Stay informed · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
- MC1490909: Microsoft Defender Vulnerability Management: Private preview for selected developer package vulnerability coverage
Message Center · Plan for change · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message CenterExchange / Purview
MC1465780: (Updated) Outlook for iOS and Android: Automatically apply email sensitivity labels from labeled attachments
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Exchange Online, Microsoft Purview
Message CenterMicrosoft 365 Apps / OneDrive / SharePoint
MC1454378: (Updated) Microsoft 365: The Next Generation of File & Folder Sharing
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite, SharePoint Online, Microsoft OneDrive, Microsoft 365 apps
Message CenterMicrosoft 365 Apps3 source records
Notice updated · 3 entries
- MC1388706: (Updated) Microsoft 365 Copilot: Legal agent available in Frontier worldwide
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
- MC1461152: (Updated) Create interactive slides in PowerPoint with Copilot skill (Windows and Mac)
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
- MC1490903: 'Record A Skill' Capability in PowerPoint Copilot
Message Center · Stay informed · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
Message CenterWindows
MC1490598: Interim guidance for Manitoba time zone changes
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
ReleasesGoogle Chrome2 source records
New version · 2 entries
- Google Chrome · Beta: 156.0.8078.16
New version · Google Chrome releases
- Google Chrome · Beta: 156.0.8078.17
New version · Google Chrome releases
ReleasesMicrosoft Graph PowerShell SDK
Microsoft Graph PowerShell SDK 2.41.1
Tool release · Microsoft Graph PowerShell SDK release notes
Assessment context
1 release-note bullet
- Remove and re-import broke the ALC, reimporting after restore by @svrooij in https://github.com/microsoftgraph/msgraph-sdk-powershell/pull/3804
ReleasesTeams
Microsoft Teams · Mac: 26261.303.5165.1465
New version · Microsoft Teams releases
ReleasesVisual Studio Code
Visual Studio Code · Stable: 1.141.0
New version · GitHub release record · package availability may differ
Assessment context
RoadmapMicrosoft 365 Apps / Microsoft 365 Copilot
Microsoft Copilot (Microsoft 365): Overview of recent comments and changes in Word
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
RoadmapMicrosoft 365 Apps / OneDrive / SharePoint
Microsoft 365: The Next Generation of File & Folder Sharing
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
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.