Weekly .NET Roundup: C# DUs, WSL Open Source, and New Tooling
Updates this week for coding include new features in .NET and C#, diagnostic tools, open sourcing of Windows Subsystem for Linux, and practical workflow guides. Microsoft continues its focus on open source and improving developer experience with new releases and troubleshooting content.
This Week's Overview
- .NET and C# Language and Platform Enhancements
- Open Sourcing Windows Subsystem for Linux (WSL)
- Developer Experience and Workflow Tools
- Other Coding News
.NET and C# Language and Platform Enhancements
Nick Chapsas previews Discriminated Unions for C# 15/16, demonstrating better type safety and simplified code patterns akin to F#, TypeScript, and Rust. MauiReactor provides MVU architecture options for .NET MAUI UI development. EFCore.Visualizer lets Visual Studio users analyze Entity Framework Core query plans inside the IDE, continuing improvements in .NET tooling.
- Exploring Discriminated Unions Coming to C# 15 and 16
- MauiReactor: Introducing the MVU Pattern for .NET MAUI
- EFCore.Visualizer: Analyze Entity Framework Core Query Plans in Visual Studio
Open Sourcing Windows Subsystem for Linux (WSL)
Microsoft has published the source code for WSL internals—including VM startup, filesystem mounting, and GPU handling—on GitHub, boosting community involvement and transparency. Developers have direct access for troubleshooting, customize workflow, and can contribute ideas for enhancements or fixes. Official resources welcome community collaboration and learning.
- You open sourced WSL. What does that mean?
- Explaining the Open Sourcing of Windows Subsystem for Linux (WSL)
Developer Experience and Workflow Tools
Aspire CLI for .NET streamlines app configuration, integrates cloud dependencies, and supports easy deployment to Azure, Docker Compose, or Kubernetes. Step-by-step guides for installation and commands aim to make distributed development more approachable. VS Code’s August iteration plan previews new terminal enhancements, agent features, and automation, opening discussion for community feedback.
- Getting Started with the Aspire CLI
- Upcoming Features and Terminal Improvements in Visual Studio Code: August Iteration
Other Coding News
A troubleshooting guide for .NET Core on Alpine Linux explains fixes for native asset loading errors, including environment variable recommendations. A SharePoint branding resource provides practical steps for logo setup, themes, templates, and homepage configuration for consistent organizational branding.