Unreal Engine Issues
Unreal Engine Issues
Blueprint Viewport displays bright green emissive for all objects
UE - Gameplay - Blueprint - Jul 17, 2017When opening a new blueprint for the first time Adding any static mesh component (Engine content or User created) causes the mesh to display with a bright green emissive. This issue occurs only in t ...
Remote standalone build of a project fails due to incorrect path to project's Info.plist file
UE - Foundation - Cpp Tools - Automation Tool - Sep 17, 2018Attempting to use UAT on Windows to remotely create a standalone build of a project for Mac fails in 4.19. The error message indicates that it cannot find part of the path to the project's Info.plis ...
AnimDynamics does not accurately reflect the wind direction when SimulationSpace is set to something other than Component
UE - Simulation - Physics - Sep 3, 2019The processing related to WindDirection in AnimDynamics( in FAnimNode_AnimDynamics::PreUpdate ) does not consider other than ComponentSpace.// Setup wind data Body->bWindEnabled = true; Scene->Get ...
[Feature Request] Cryptomatte for Foliage
UE - Anim - Sequencer - Jan 25, 2021Cryptomatte implementation only looks at the HActor hitproxy type which is a different type than ISMs which use HInstancedStaticMeshInstance. ...
Virtual textures flicker if physical pool is oversubscribed
UE - Graphics Features - Feb 24, 2021If a virtual texture physical pool becomes oversubscribed the current behavior is: Log a one time only warning: ''Failed to allocate VT page from pool...' Continue to evict the least recently used t ...
Ragdoll Physics Assets Move Sporadically After Ragdoll Physics Event Invoked
UE - Simulation - Physics - Character - May 3, 2022Occurs 3/3 times. Skeletal mesh with ragdoll physics applied exhibits sporadic motion after ragdoll physics is initiated. Regression does occur: When tested in //UE4/Release-4.27.2 @ CL18319896 n ...
Movie Scene Capture - DX12 Render Artifacts and Delay
UE - Rendering Architecture - RHI - Jun 19, 2023If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts. However, the delay and artifacts do not appear when using ...
Crash after generating HLODs for merged meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Jul 25, 2024Substrate SSR reflections are black
UE - Graphics Features - Substrate - Dec 17, 2024Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...
Soft angular constraints solve velocity like hard constraints
UE - Simulation - Physics - Jul 17, 2025Soft angular constraints are solving velocity like hard constraints. Instead of swinging back and forth, the affected body just snaps to 45 degrees. Check the steps to reproduce for more details. Th ...