We’re excited to share that .NET 9 Release Candidate 1 is now available! This is the first of two release candidates, and it comes with a go-live support license, meaning you can confidently use it in your production environments.

This release introduces several powerful updates and enhancements, giving developers more flexibility and performance for their applications. Here are some key features to look forward to:

Enhanced WebSocket APIs

Build faster, more reliable real-time applications with the newly improved WebSocket APIs, offering greater control and scalability.

New Compression Options

.NET 9 introduces advanced compression features, helping optimize your app’s performance by reducing bandwidth consumption and improving data transfer efficiency.

Advanced SignalR Tracing

Get deeper insights into your SignalR applications with enhanced tracing capabilities, making debugging and performance tuning much easier.

Updates to .NET MAUI

.NET MAUI gets even better with improved text alignment, ensuring more polished and consistent user interfaces across platforms.

And that’s just the beginning, there’s a lot more packed into this release!

Whether you’re already building with .NET or considering it for your next project, now is the perfect time to dive in and explore the new possibilities. With the go-live support license, you can start using .NET 9 Release Candidate 1 in production with confidence.

Be sure to check out the full release notes for all the details, and get started with .NET 9 today!

Reference

Dev Blog Microsoft