Avoid crashing when incorrect exception is thrown.

It seems that although the exception is stored in a block variable, it’s
being freed after the @catch block ends its scope.
Add support to arm64 and fix other Xcode compatibility issues.
Avoid crashing when incorrect exception is thrown.

It seems that although the exception is stored in a block variable, it’s
being freed after the @catch block ends its scope.
Merge branch 'feature/arm64' into develop
Merge branch 'feature/exception-failures' into develop