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.NET 10 Preview 5 Brings Blazor Observability, XAML Simplification and More
Earlier this month, Microsoft announced the release of .NET 10 Preview 5, delivering updates across multiple components, including ASP.NET Core, .NET MAUI, Windows Presentation Foundation (WPF), and Entity Framework Core, and more. As reported, this preview introduces new features and improvements to enhance developer productivity, application observability, and customization.
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Teams Toolkit Rebranded to Microsoft 365 Agents Toolkit
Microsoft has introduced the Microsoft 365 Agents Toolkit, a developer framework designed to streamline the creation of AI-powered agents that automate tasks across Microsoft 365 applications. The toolkit provides tools and APIs to build, test, and deploy intelligent agents capable of handling workflows in Outlook, Teams, Word, and other M365 apps.
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Dev Proxy v0.28 Introduces Telemetry for LLM Usage and Cost Analysis
The .NET team has released Dev Proxy version 0.28, introducing new capabilities aimed at improving observability, plugin extensibility, and integration with AI models. A central feature of this release is the OpenAITelemetryPlugin, which, as reported, allows developers to track usage and estimated costs of OpenAI and Azure OpenAI language model requests within their applications.
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.NET Aspire 9.3 Brings GitHub Copilot Integration and Expanded Azure Support
The .NET team has released version 9.3 of .NET Aspire, introducing updates across diagnostics, integrations, and deployment workflows. As stated in the official announcement, this release aims to improve the developer experience by integrating GitHub Copilot into the Aspire dashboard, expanding tracing capabilities, and simplifying Azure deployments.
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Visual Studio 2022 v17.14 Introduces Agent Mode and Advanced Copilot Assistance
Microsoft has announced the general availability of Visual Studio 2022 version 17.14, introducing agent mode for GitHub Copilot code assistant, among other enhancements. The agent mode enables Copilot to perform complex, multi-step tasks when editing code.
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.NET 10 Preview 4: Improved JSON Patch, Blazor Diagnostics, OpenAPI Integration, and More
Microsoft has released the fourth preview of .NET 10, bringing a range of enhancements across ASP.NET Core, Blazor, .NET MAUI, WPF, Entity Framework Core, and the runtime.
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Uno Platform 6.0 and Uno Platform Studio Released with Major Performance and Tooling Enhancements
The Uno Platform team has announced the general availability of Uno Platform 6.0 and Uno Platform Studio, introducing a broad set of enhancements aimed at improving developer productivity and cross-platform performance.
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Dev Proxy v0.27 Released: Enhanced API Modeling, AI Integration, and Improved Configuration Features
The Dev Proxy team at Microsoft has announced the release of version 0.27, focusing on enhancing the developer experience with several new features and improvements aimed at streamlining API specification generation, improving editing suggestions, and laying the groundwork for future AI integrations.
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Windows Community Toolkit 8.2 Supports Native AOT Compilation
Microsoft released version 8.2 of the Windows Community Toolkit in April 2025. The new release has updated dependencies, .NET 9 support for UWP applications and Native AOT compilation.
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Microsoft Extends SLNX Solution File Support in .NET CLI
Microsoft has announced experimental support for .slnx files in the .NET CLI v9.0.200, unifying the developer experience among the .NET tooling. This new feature aims to remove clutter in the solution file and to reduce friction when working with large solutions.
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.NET Aspire 9.2 Released with Expanded Deployment Options and Dashboard Improvements
The .NET team has released version 9.2 of .NET Aspire, introducing updates to the dashboard experience, new integration capabilities, and deployment improvements. As stated in the official announcement, this release furthers the platform’s goal of simplifying application development and cloud-native deployment workflows.
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.NET AI Chat Web App Template Preview 2 Released with Qdrant and .NET Aspire Support
The second preview of the .NET AI Chat Web App template has been released, introducing several enhancements to streamline the development of AI-powered chat applications. This update includes support for .NET Aspire and integration with the Qdrant vector database, facilitating the creation of cloud-native applications.
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.NET 10 Preview 3: C# 14 Extension Members, ASP.NET Core State Persistence and Other Improvements
Last week, the .NET Team announced the third preview release of .NET 10, introducing several enhancements across various components, including .NET Runtime, SDK, libraries, C#, ASP.NET Core, Blazor, .NET MAUI, and more.
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Microsoft Collaborates with Anthropic to Launch C# SDK for MCP Integration
Microsoft has partnered with Anthropic to develop an official C# SDK for the Model Context Protocol (MCP), an open protocol designed to connect large language models (LLMs) with external tools and data sources. The SDK is open-source and available under the modelcontextprotocol GitHub organization.
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ASP.NET Core 10 Preview 2 Streamlines Blazor Navigation, Updates OpenAPI
Microsoft’s latest ASP.NET Core 10 Preview 2 release from March 18th introduces targeted improvements to Blazor’s navigation behavior, OpenAPI documentation generation, and developer tooling, addressing community feedback. The update focuses on small enhancements rather than new features, refining existing capabilities ahead of .NET 10’s stable release later this year.