Unreal Engine Issues
Unreal Engine Issues
Previewing Node in Material Editor Produces Unexpected Output with DX12
UE - Graphics Features - May 16, 2018Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...
Copying and pasting a material function renders all of the duplicates inputs as not having default values
UE - Rendering - Architecture - Materials - May 22, 2019The top material function was placed in a graph directly. The second was generating by copying the first node. Note that the input pins changed color which indicates that each input on the new modul ...
DoesSocketExist always returns false for Sprite Sockets (flipbooks and sprite components)
UE - Gameplay - Paper2D - Jan 15, 2015DoesSocketExist always returns false for Sprites in a Flipbook, whether there is a socket on any/all of the Sprites or not. Note: GetSocketLocation seems to work fine, indicating that it is reading ...
Exponential Height Fog renders incorrectly after Set World Origin Location
UE - Graphics Features - Dec 12, 2016When having an Exponential Height Fog actor far away from origin, after doing Set World Origin Location, Exponential Height Fog's appearance changes. ...
Fix pause flags when recycling sound sources
UE - Audio - Dec 12, 2016Issue is due to pause flags getting recycled when new sound sources are used from the sound source pool. This is a regression since 4.13, causing audio to pop. ...
FBX & OBJ Files no longer Import with their UVs Depending on Software Used
UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016Importing an OBJ file no longer imports the UVs. Test asset included for OBJ and FBX version of the same file. Added Test FBX from SketchUp Tested with: 4.12.5 CL-3039270 - Working 4.13.0 CL-31 ...
Tessellation not working properly on Vulkan
UE - Graphics Features - Jan 25, 2018When a user launches content examples with -vulkan tessellation will not be working. Everything tessellated will appear as if it has no tessellation. This issue is also occurring in 4.18 ...
Foliage instances don't move with a static mesh when it is shared between two foliage actors
UE - Engine Scaling - Streaming - Foliage - Apr 26, 2023From Licensee: The bug comes from the call of the function `FoliagePartitioningUtils::Update` in the method `AInstancedFoliageActor::MoveInstancesForMovedComponent`. When the function `FoliageParti ...
Disabling collision of an actor after an overlap event will cause the event to fire twice
UE - Gameplay - Sep 3, 2015Disabling collision of an actor after an overlap event will cause the event to fire twice This is working properly in 4.10-2674146 User Description: Calling on "Set Actor EnableCollision" or "Set ...
Distance Field Mesh default resolution artifacts on some shape meshes
UE - Graphics Features - Feb 10, 2016Distance Fields generated for the 4 basic static mesh assets in the modes panel appear to have artifacts or low resolution. This is only affecting certain shapes that I can see. Adding in assets fro ...