Comment by SirMaster

>with no dark mode support.

https://learn.microsoft.com/en-us/dotnet/desktop/winforms/wh...

"Dark mode Windows Forms has fully integrated dark mode support.

Windows Forms for .NET 9 introduced preliminary dark mode visual styling, but in an opt-in preview mode where you had to suppress Compiler Error WFO5001 to use the feature. This feature is no longer guarded behind this compiler error starting with .NET 10.

The Application.SetColorMode(SystemColorMode) API is no longer considered experimental."