Frames are upside down when using WMR runtime

[ThreeDeeJay]

I'm using a Reverb G2 (Windows Mixed Reality) which works mostly fine with SteamVR, but it suffers from lower performance and stuttering even when there's enough horsepower to spare.

So I tried the WMR runtime and the game seemed to run fine with the exception of being flipped upside down.
And even though I know SteamVR is the recommended method, Is there a way to flip the view to compensate? It may just be a bug, because I've tried several native (and even wrapped, via OpenComposite/OpenXR-Vk-D3D12) OpenXR games and had never encountered this issue, only in JKXR (both Academy and Outcast) 🤔