Hi,
I cannot reproduce this issue here. Can you be more specific which function pointers are off ?
I tried to reproduce this issue this way :
build validator from 3.6.13 SDK and build all plugin examples from the 3.6.12. All on macOS 10.14.4 with Xcode 10.2.1.
Running all plug-ins thru the validator works as expected.
Cheers,
Arne