Can you elaborate? I have no idea what "WWDC 10147/2020" is a reference to.
I think this could possibly be the cause of the issues I'm seeing, where sometimes the compiler will choose to compile the code that depends on the binary target before it has bothered to copy the actual binaryTarget! (see: Bug with .binaryTarget in Swift Packages with Xcode?)
I don't understand why they made it "binaryTarget" instead of "binaryDependency", since really that's what we need, a "binaryDependency"... why did they make it a target? Clearly a "target" should be what is produced by your framework, not what is depended on by it.