.NET Framework


At Build 2026, Microsoft Sets Up Windows as an OS for AI Agents

Microsoft's Build 2026 Windows developer announcements point to a broader platform strategy for agentic AI, spanning terminal workflows, local models, app-building skills, Cloud PCs and operating system-level containment.

Uno Platform Pitches WPF Modernization for the AI Agent Era

Uno Platform is positioning itself as a cross-platform modernization path for Windows Presentation Foundation apps, combining incremental migration, AI-assisted code translation, Model Context Protocol tooling and runtime validation.

Create Multi-platform Apps with .NET MAUI and the MAUI Community Toolkit

Microsoft Senior Content Developer Alvin Ashcraft explains how to use .NET MAUI, the MAUI Community Toolkit and MVVM Toolkit to speed up cross-platform app development with practical patterns for XAML, C# Markup and device features

Microsoft Extends Rust-Influenced Memory-Safety Push to C#

Microsoft is applying lessons from Rust to C# in a planned redesign of the unsafe code model, continuing a years-long company focus on reducing memory-safety risks historically associated with C and C++

Visual Studio May Update Adds Plan Agent, Diff Review Tools

Microsoft highlighted Copilot planning, context visibility, diff review updates and MSVC Build Tools v14.51 in its May Visual Studio update.

Improving Performance in .NET Applications

Jason Bock shares practical guidance for building faster .NET applications, avoiding modernization pitfalls, and using proven performance resources to keep improving over time.

Angry Devs Persist on Visual Studio Blue Theme Revival: 'Once More, We Ask...'

Developers are pressing Microsoft to restore the Blue theme in Visual Studio 2026, arguing that the issue is about contrast, readability and usability rather than nostalgia for an old color scheme.

.NET 11 Preview 4 Roundup: MAUI, Blazor, EF Core, SDK and Runtime Updates

.NET 11 Preview 4 delivers a broad set of developer-facing updates across .NET MAUI, ASP.NET Core, Blazor, Entity Framework Core, the SDK, libraries and runtime performance work.

The Rise of OpenTelemetry in Microsoft Dev Tooling

CNCF graduation, Microsoft tooling updates and cloud-provider support show broader OpenTelemetry adoption across developer platforms.

Devs Weigh In on Visual Studio Database Tools

A small social media poll from Visual Studio guru Mads Kristensen split respondents over whether the IDE should add more database tooling, while the discussion quickly turned to existing SQL project support, SDK-style SQL projects and the broader state of Microsoft's database developer tooling.

Hands On: VS 2026 Insiders Adds Guided Skill Building in Agent Mode

This hands-on build shows how Agent Mode in Visual Studio 2026 -- Insiders now, stable soon --can create and operationalize a custom Copilot skill that automates feature-parity tracking with practical system integration and measurable reporting value.

The Next Generation of Developer Productivity with GitHub Copilot and Visual Studio

Simona Liao and Leah Tran, product managers at Microsoft, discuss how GitHub Copilot in Visual Studio has evolved from a code completion tool into an agent-driven development workflow -- and share practical tips for developers and teams looking to integrate AI into their everyday processes.

MCP Magic: Building Tool-Enabled AI Agents with C#

Rockford Lhotka previews his Visual Studio Live! San Diego session, "MCP Magic," and explains why the Model Context Protocol is becoming a key building block for AI agents. In this Q&A, he discusses how C# developers can build MCP servers, connect them to agents, and design tool layers that are useful, scalable, and production-ready.

AI Subagents 'Coming Soon' to Visual Studio Copilot

Microsoft's Mads Kristensen said subagents are "coming soon" to Copilot in Visual Studio, while VS Code already documents subagent support across context isolation, custom agents, parallel execution and search.

Building and Using MCP Servers in Visual Studio

Microsoft Product Manager Mike Kistler previews his Visual Studio Live! session on how MCP servers give .NET developers a universal standard for connecting AI models to external data and tools -- and how to build them with the C# SDK. Microsoft's Leslie Richardson is a co-presenter.

WinUI 3 Gallery 2.9 Highlights Windows App SDK 2.0 for App Developers

Microsoft's WinUI 3 Gallery 2.9 gives developers a working reference app for trying Windows App SDK 2.0 controls, APIs and improvements without starting a new project.

Quadratic Regression with Pseudo-Inverse Training Using C#

Dr. James McCaffrey presents a complete end-to-end demonstration of quadratic regression, implemented from scratch, with pseudo-inverse training, using the C# language. Compared to standard linear regression, quadratic regression is better able to handle data with a non-linear structure and interactions between predictor variables. Compared to other types of training, pseudo-inverse does not require any parameters that must be determined by trial and error.

VS 2026 Joins VS Code with Integrated Cloud Agent: Assign a Task, Close the IDE, Get a PR

Visual Studio 2026 has further integrated GitHub Copilot's cloud agent to its Copilot Chat picker -- catching up to VS Code -- and the async workflow it enables, where a task runs on GitHub Actions infrastructure while the developer moves on, is a meaningfully different way to use AI assistance.

Visual Studio 2026 Gives IntelliSense Priority in Longstanding Copilot Completion Clash

The April update suppresses Copilot completions while IntelliSense is active, addressing a long-running editor conflict.

Microsoft Keeps Adding VS 2026 MCP Functionality to VS 2022, but Not Much Else

Microsoft's new move to ship Azure MCP tools inside Visual Studio 2022 adds to a small but notable pattern of selected Visual Studio 2026-era functionality later showing up in the older IDE, led by a cluster of MCP management features and, outside the MCP category, the Copilot Profiler Agent.

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