Many thanks!
We'll put those changes out as 12.14 fairly soon.
[15 Apr 2019: I've moved parts of the conversation over to Opus 12.13 crashing, apparently due to PlayClawHook64.dll to make the two threads easier to follow, and the solution / test version easier to find above. We are not sure if they are the same issue yet, so if the test version above doesn't work for you, you might want to check the other thread for other things to try.]