Unreal Engine Issues

Disabled Skeletal Mesh Sections cause Shadow Ray Tracing Flicker

If a skeletal mesh has a section disabled the ray traced shadow will flicker when the camera or itself moves. Previously in 5.6.0 no raytraced shadow would appear if a section was disabled. This wa ...

Pasting nodes into level blueprint crashes editor

HLSLCC crashed on parsing UAV related instruction

1.glsl_type with image was not fully inited with HlslName field set, causing the crash 2.seems many types of op are not support by current hlslcc, cause error msg. e.g. RWTexture2D.Load[Image Remo ...

Vignette in stereoscopic looks incorrect, entire frame as opposed to each eye

Vignette seems to be being applied to the entire frame instead of each eye in stereoscopic, creating a really strange effect in your peripherals when viewed through a HMD. Can also see this effect i ...

CrossCompileTool module fails to build due to missing include

The include for VulkanConfiguration.h was added to VulkanBackend.h, which is one of the external dependencies for the CrossCompileTool. This include is not complete however. This results in this mod ...

Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees

Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...

Using Alt+Click to break Transition node connections cannot be undone using the Undo command

Using Edit->Undo or Ctrl+Z has no affect after breaking using Alt+Click to break the connection of transition nodes. In the My Blueprint tab, extend Graphs->AnimGraph Regression: No - Same behavio ...

GoogleVR rotational input stuttering after disabling stereo rendering

In a Google VR project, stuttering occurs when switching from stereo rendering to mono. Seems less like performance and more of a sensor input problem? 4.17 - No repro 4.18 - Unable to package (Ma ...

World-locked stereo layers for SteamVR are not positioned correctly

World-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 ...

Alembic Hair Doesn't Render In Both Eyes In VR

Alembic hair doesn't render in the right eye in VR. A demonstration project can be found [Link Removed]. NOTE: The hair is rendered as an overlay in other editor previews (skeletal mesh, Physics). ...