There are a lot of CoreMLCompiler versions throughout the Xcode history. Some break inference (e.g. some of the Xcode 13 coremlcompilers broke iOS 14 runtime). Is there a way to diagnose these errors without compiling under every compiler and running on all iOS devices?) And is there a known stable version of a compiler?
Maintaining backward compatibility is really important for us. We would like to understand this better. Could you file a bug report on:
If it works for you, could you please set up a 1:1 lab with Apple engineers so we can understand the issue better?