System.Reactive.Windows.Forms does not work in .NET 5.0

[erinloy]

Feature request

Please implement "System.Reactive.Windows.Forms" for .NET 5.0.

Although it was not specifically targeted at .NET Core 3.1, I was able to get it working with warnings. However, the same code (when targeted at .NET 5.0) does not compile at all.

Example:
Observable.FromEventPattern<MouseEventHandler, MouseEventArgs>(e => control.MouseMove += e, e => control.MouseMove -= e).ObserveOn(control);
Error:
CS1503 Argument 2: cannot convert from 'System.Windows.Forms.Control' to 'System.Reactive.Concurrency.IScheduler'

[clairernovotny]

Do you have small repro project? Windows Forms is supported in System.Reactive; the other libraries are older shims for compat.

[erinloy]

Do you have small repro project? Windows Forms is supported in System.Reactive; the other libraries are older shims for compat.

See here:
https://github.com/erinloy/ReactiveForms5

[clairernovotny]

You must target net5.0-windows10.0.19041 to get the Windows version. That's the SDK version, your app can target and run on lower Windows versions.

[erinloy]

That works, thank you! For future reference, where can I find more on the targeting requirements?