Testing MSBuild <UsingTask/>
Run:
> dotnet build foo.targets
Microsoft (R) Build Engine version 17.0.0-preview-21474-03+9f83c725f for .NET
Copyright (C) Microsoft Corporation. All rights reserved.
Assembly: MyTasks, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
Assembly: MyTasks, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null