Unreal Engine Issues
Unreal Engine Issues
Right side of viewport renders black in stereoscopic
UE - Graphics Features - Jan 19, 2017When in VR preview the right eye is solid black. This has been reproduced on multiple machines using both the Oculus and HTC Vive. The same effect is also achieved when running -emulatestereo – ...
Error packaging Android after disabling Vulkan Support
UE - Platform - Mobile - Jan 3, 2023Regression: Tested in UE5/Release-5.0, this issue does not occur and is a regression. This issue occurs when packaging for Android ASTC, ETC2, and DXT. Packaging with Support Vulkan enabled results ...
Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)
UE - Platform - XR - Mar 7, 2017The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...
World-locked stereo layers for SteamVR are not positioned correctly
UE - Platform - XR - Nov 14, 2017World-locked stereo layers don't seem to be in the correct place when viewed in SteamVR. In 4.16, if you Subtracted the difference of VR origin location and world origin location and offset the pos ...
With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye
UE - Platform - XR - Jul 8, 2016KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...
Interactions in the Menu are not working as expected in VRTemplate
UE - Platform - XR - Nov 17, 2022Interactions in the Menu on VRTemplate (and I suspect that style of menu interaction in general) do not function as expected. This issue was reproduced several times (5/5), both with a VR headset an ...
Significant Performance Drop During Play While Behavior Tree is Open
UE - AI - May 18, 2016Attempting to play in editor, standalone, or VR Preview when a behavior tree that is running is open will cause a significant performance decrease. The framerate drops from ~120 to ~80 fps while the ...
Motion Controller Components Don't Track Motion Controllers
UE - Platform - XR - Jan 17, 2020The motion controller component doesn't track motion controllers correctly. This worked in 4.23. If you create a VR template project and follow the repro steps this issue doesn't occur. This was t ...
OSVR fatal error while playing in -game
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 About 1/6th of the time I'd start a -game instance and go in to stereo on the OSVR, the game would seemingly just close itself. I say close as opposed to crash, si ...
[CrashReport] UE4Editor_Slate!<lambda_c42855a8df853c2fca6077897314e16e>::operator() [slateapplication.cpp:1558]
UE - Editor - UI Systems - Slate - Nov 21, 2017This is a common crash that has occurred since at least 4.17. Based on the user comment below, this may be a VR issue (unconfirmed) User Descriptionsit seems to me UKismetMaterialLibrary::SetVector ...