Announcing .NET 10 Release Candidate 1
.NET Team presents the first release candidate of .NET 10, with new features and improvements for libraries, ASP.NET Core, Blazor, .NET MAUI, and more. Learn what’s new for developers in this broad platform update.
Announcing .NET 10 Release Candidate 1
.NET 10 Release Candidate 1 is now available and includes significant improvements across multiple areas of the .NET ecosystem. This release is production-ready with a go-live support license, allowing developers to utilize it confidently for their applications. It’s fully supported in the new Visual Studio 2026 Insiders and Visual Studio Code with the C# Dev Kit extension.
Key Highlights
Libraries
- Cryptography: ML-DSA External Mu and Post Quantum Cryptography “API Complete”
- Performance: UTF-8 support for hex-string conversion
- Numerics: New Tensor, TensorSpan, and ReadOnlyTensorSpan types
Read full library release notes
Runtime, SDK, C#, F#, VB
- This release focuses on quality improvements for the runtime, SDK, and core languages (C#, F#, Visual Basic), with no new features introduced in this RC.
ASP.NET Core & Blazor
- New features:
- Persistent component state support for enhanced navigation
- New ASP.NET Core Identity metrics
- Validation improvements for Minimal APIs and Blazor
- OpenAPI schema generation improvements
Read full ASP.NET Core release notes
.NET MAUI
- Diagnostics and metrics tracking
- HybridWebView events
- Enhanced RefreshView capabilities
- Experimental CoreCLR runtime support for Android
Read full .NET MAUI release notes
Windows Forms
- Full dark mode integration
- Improved theming controls
- Renderer, async, and state management improvements
Read full Windows Forms release notes
Entity Framework Core
- SQL Server vector search
- SQL Server JSON type support
- Cosmos DB full-text and hybrid search
- Complex types and other query improvements
Read full EF Core release notes
Other Areas
- Quality-focused improvements for WPF and container images
Getting Started
- Download .NET 10 RC1
- Use with Visual Studio 2026 Insiders, Visual Studio Code, and the C# Dev Kit
Stay Involved
- Join weekly community standups to engage with the developers and product managers behind .NET
- Keep up-to-date through release notes, blogs, and GitHub discussions
Learn More
- What’s new in .NET 10
- C# 14 features
- .NET MAUI, ASP.NET Core, EF Core, Windows Forms, and WPF updates
- Breaking changes in .NET 10
Developers are encouraged to try out .NET 10 RC1, provide feedback, and prepare for production deployments before the final release.
This post appeared first on “Microsoft .NET Blog”. Read the entire article here