Unity3d open C# project, always open cursor in a window

After upgrade 1.0.0, open C# project always open in one cursor app, I want to open it in a new windows, how to do this?

Hey, can you provide some more details on this?

Where are you seeing the Open C# Project option?

At the top on Unity3d menu, Assets->Open C# Project

1.open 2 unity3d project.
2.click Open C# Project at each Unity3d.
now it’s alway open in one Cursor app, before upgrade, it can be open 2 Cursor app, I can switch them for edit C#.