We didn't forget you mrtnptrs. I asked the others if we are able to handle Windows 10 TP threads. Since you are running beta builds, we don't know if the issue comes from your side, or the build is buggy. Basically, we would be troubleshooting something that is in beta and that we have no control over (as it should be Microsoft's job). I'll get back at you as soon as possible on that.
On a side note, I don't think any helper here still runs TP builds of Windows 10, so that complicate things as well when it comes to source replacement files.