VIVE Steam VR Unresponsive in 4.18 and 4.17
Starting yesterday (2/23/2018) whenever I launch UE4, the SteamVR window displays "(unresponsive) UE4Editor.exe"
In UE 4.18.3, If I try to run my level in VR Preview, the HMD and motion controllers appear to work as expected in the mirrored monitor display, but the HMD only displays a default SteamVR loading environment with UE logo and loading animation.
Sometimes, while in VR Preview, if I wait a random amount of time, the HMD will start to work and the SteamVR window "unresponsive" message will disappear. However, once I exit VR Preview and try it again, UE4 falls back into the "unresponsive" state.
This also occurs in a blank project in 4.17.
If I run a packaged project from 4.18.3, the HMD works as expected every time.
The HMD works as expected in Unity and all SteamVR apps I have tried so far.
It doesn't matter if I try console commands like "vr.bEnableStereo True" etc.
Specs: Windows 10 (version 1709) GeForce 970 (18.104.22.168.2c) SteamVR 2018-02-09 HTC VIVE Pre
asked Feb 24 '18 at 07:47 PM in VR
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