.NET 10 reaches its first release candidate!

.NET 10 went through a large amount of changes since the development has started right after .NET 9.0 was released last November. Since then, several previews have been released, and we are excited to announce that .NET 10 has reached the first release candidate stage! This is the same version that will ship with Ubuntu 26.04 LTS RR.

The first release candidate brings a lot of fixes in different areas, including the runtime, the C# and Visual Basic language support, and the SDK. You can access the announcement that will be linked at the bottom of the page.

One intriguing improvement in this release candidate of .NET 10 is that full dark mode support has been added to Windows Forms. Dark Mode is essential, because it’s easier on your eyes than the all-bright elements. Now, your Windows Forms applications can benefit from the system-wide dark mode setting without a single configuration.

Another addition is that hex string conversion now supports UTF-8 by adding additional overloads for converting a buffer of UTF-8 text to byte arrays and vice versa. You can take a look at the added functions here.

The first release candidate of .NET 10 is already available when you install Visual Studio 2026 Insiders. However, you can install the SDK yourself here.

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