気が付けば4月末。
App Service
- Retirement: Support for .NET 8 (LTS) ends on November 10, 2026—upgrade your apps to .NET 10 (LTS)
- .NET 8 サポートも11月10日まで。
Azure Kubernetes Service
- Generally Available: WireGuard In‑Transit Encryption for Azure Kubernetes Service (AKS)
- Public Preview: Container Network Insights Agent
Cosmos DB
- Announcing the Private Preview of Cosmos DB Azure RBAC Integration – Azure Cosmos DB Blog
- Private PreviewですがCosmos DBのデータプレーンへのアクセスでAzure RBACと統合がきたようです。
- Cosmos DBデータリーダー/コントリビューターを通常のRBACと同じように割り当てられるぽい。
Azure Database for PostgreSQL
Azure File Sync
Azure Service Bus
Microsoft Foundry
- Automate Prior Authorization with AI Agents – Now Available as a Foundry Template
- OpenAI’s GPT-5.5 in Microsoft Foundry: Frontier intelligence on an enterprise ready platform
- GPT-5.5 / GPT-5.5 ProもFoundryにくるようです。お高いですなぁ。
- Public Preview: Hosted Agents in Foundry Agent Service
- Foundry Agent Service上でのHosted AgentsがPreview。
- Generally Available: Foundry Toolkit for Visual Studio Code (formerly AI Toolkit for VS Code)
- 元AI Toolkit for VS Code、現Foundry Toolkit for Visual Studio CodeがGA。
- Bring Your Own Model to Foundry Agent Service Is Now Generally Available
- Foundry Agent Serviceで持ち込みモデル（Bring Your Own Models）がGA。
- Public Preview: Memory in Foundry Agent Service
- Generally Available: Bring your own AI Gateway in Foundry Agent Service
- Retirement: Prompt Flow in Azure ML and Foundry
- Prompt FlowがFoundryとAzure Machine Learningからリタイア。2027年4月20日予定。GAしたMicrosoft Agent Frameworkが移行先で推奨。
- Microsoft Foundry ポータル (クラシック) でのプロンプト フロー – Microsoft Foundry (classic) portal | Microsoft Learn
- promptflow/migration-guide/PromptFlow-to-MAF at main · microsoft/promptflow
Azure API Center
- Introducing AI Skill Assessment in Azure API Center
- Skills assessmentがでました。
Virtual Network
Azure Front Door
- Public Preview: Microsoft HTTP DDoS Ruleset for Azure WAF on Azure Front Door Premium
- Azure Font Door PremiumでWAF向けのHTTP DDoS ルールセットがPreview。
Azure Elastic SAN
- Generally Available: Capacity Autoscaling
- Generally Available: CRC Protection
- Public Preview: Azure Backup for Elastic SAN
- Generally Available: Connect to Elastic SAN from Windows VM via VM Extension
Azure Arc
Power Apps
Microsoft Fabric
- Stream SQL Change Events to Microsoft Fabric Eventstream with Change Event Streaming for Real-Time Analytics
- Cross-workspace logging for MLflow in Microsoft Fabric: Build MLOps workflows with confidence (Generally Available)
- Resource instance rules for OneLake in Microsoft Fabric (Preview)
- Nested folders support in shortcut transformations (Generally Available)
- Fabric Influencers Spotlight April 2026
- Bring your Dremio data into OneLake (Preview)
Windows
- We’re moving to Experimental and Beta! Announcing new builds for 24 April 2026
- Your Windows update experience just got updated
- Copilot Keyboard – いよいよ、正式版になりました – Windows Blog for Japan
- PowerToys 0.99 is here: new monitor controls, easier window management, and Dock upgrades
Microsoft 365
- Copilot’s agentic capabilities in Word, Excel, and PowerPoint are generally available
- Available today: GPT-5.5 Thinking and ChatGPT Images 2.0 in Microsoft 365 Copilot
- Microsoft 365 CopilotにGPT-5.5 ThinkingとChatGPT Images 2.0がくるようです。
- Copilot in OneNote now understands more of your notes
Microsoft Teams
Microsoft Entra
- General Availability: Single Sign-On (SSO) from Native Apps to Embedded Web Views in Microsoft Entra External ID Native Authentication
- General Availability: Refresh Token (RT) Transfer to Apple Watch in Microsoft Entra External ID Native Authentication
Microsoft Dynamics 365
Microsoft Sovereign Private Cloud
- Microsoft Sovereign Private Cloud scales to thousands of nodes with Azure Local
- Microsoft Sovereign Private CloudでAzure Localが1つの環境で最大1000台のサーバーのデプロイをサポートしたらしい。
GitHub
Tools
- What’s new for .NET in Ubuntu 26.04 – .NET Blog
- Azure MCP Server now available as an MCP Bundle (.mcpb) – Azure SDK Blog
- D3D12 LinAlg Matrix Preview – DirectX Developer Blog
- Announcing Shader Model 6.10 Preview and AgilitySDK 720 Preview – DirectX Developer Blog
- Azure Data Studio is retired: Move your Azure SQL workflow to VS Code in 10 minutes – Azure SQL Dev Corner
- Python Environments Extension for VS Code- April Update – Microsoft for Python Developers Blog
- SharePoint Framework (SPFx) roadmap update – April 2026
- A2A v1 Is Here: Cross-Platform Agent Communication in Microsoft Agent Framework for .NET | Microsoft Agent Framework
- Visual Studio April Update – Cloud Agent Integration – Visual Studio Blog
- SDK-Style Support for Extension Projects – Visual Studio Blog
- やっと移行できそう。
- Governing MCP tool calls in .NET with the Agent Governance Toolkit – .NET Blog
Documents
- CodeAct in Agent Framework: Faster Agents with Fewer Model Turns
- CodeActパターンをHyperlight上で実行させる話。
- Microsoft 365 Multi‑Agent Workflow with Microsoft Agent Framework
- GPT Capability in Understanding Coordinates: How GPT-5.4 Transforms Spatial Precision
- Axios npm Supply Chain Compromise – Guidance for Azure Pipelines Customers – Azure DevOps Blog
- Azure Pipelinesにおけるaxiosの件の話。
- Deploying an Agentic Service to Microsoft 365 Copilot with Delegated OBO Access
- エージェントとOn-Behalf-Ofアクセスとかの話。
- How ACR Artifact Cache Handles Multi-Arch Images: What Gets Cached and When Webhooks Fire
- Microsoft’s New In‑House AI Models (MAI‑Transcribe, MAI‑Voice, MAI‑Image)
- Combining API versioning with OpenAPI in .NET 10 applications – .NET Blog
- Securing Your AI Agents Before They Ship: Red Teaming with Microsoft PyRIT
- Continuing the story of early DOS development
- How Microsoft 1ES uses agentic AI to take on security and compliance at scale
- High-Performance Distributed Caching with .NET and Postgres on Azure – .NET Blog
- Architecting Cost-Aware LLM Workloads with Model Router in Microsoft Foundry
- AG-UI: The Future of Agent-Driven User Interfaces
- Get started with the New Relic MCP server in Azure SRE Agent
- Azure DocumentDB (with MongoDB compatibility) for Banking: A Modern Customer 360 Approach
その他
- 日本語公式とか
- 英語公式とか
- Microsoft deepens commitment to Australia with A$25 billion investment in AI infrastructure, security, and skills
- Malaysia deepens national AI partnership with Microsoft, expanding whole-of-nation skilling across educators, enterprises, and communities
- The next phase of the Microsoft-OpenAI partnership
- Unlocking human ambition to drive business growth with AI
- Events
- エージェント レジストリの機能の Microsoft 365 管理センターへの集約が始まっています at SE の雑記
ブチザッキ 