I've updated my windows version to 1809 and now stuff that used to work in my Unity WMR client is broken (when I try to build again). 1) Anybody else having similar issues? 2) Should I not be on 1809? 3) I'm using Mixed Reality Toolkit with 2018.2.15 which I guess isn't technically fully compatible at the moment ... so I shouldn't be surprised. Some of the issues I'm running into are a strange exception in ntdll.dll ("Exception thrown at 0x314B346A in xxxx.exe: 0xC0000008: An invalid handle was specified."), I've had this exception "Microsoft C++ exception: _com_error at memory location 0x259F840C". I've had buttons stop working that used to work in the UI. I've had a weird system keyboard popup with missing buttons. None of these issues happened before I updated my Windows, still using Unity 2018.2.15, and Mixed Reality Toolkit (master branch). A second machine we have has the same issue too since updating to 1809. At the very least, I'm writing this to warn people not to update their Windows to 1809 if you're using WMR. Any ideas would be appreciated.