Unreal Engine Issues
Unreal Engine Issues
Crash when creating a USkeletalMeshComponent inside a UMotionControllerComponent
UE - Anim - Runtime - Jan 11, 2023This is not a Regression. Tested in //UE5/Release-5.0 CL23058290. Crash occurs when creating a USkeletalMeshComponent inside a UMotionControllerComponent when applied to a Character. Commenting out ...
Disabled Skeletal Mesh Sections cause Shadow Ray Tracing Flicker
UE - Rendering - Graphics Features - Ray Tracing - Dec 12, 2025If 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 ...
Cannot continuously change Bone Name in SkeletalMesh Sampling Settings
UE - Anim - Jun 14, 2024An access violation occurs in FNiagaraSkeletalMeshRegionBoneFilterDetails::HandleBoneNameComboBoxSelectionChanged() due to StringItem is nullptr. SkeletalMeshRegionCustomization.cpp void FNiagaraS ...
iOS package with Metal Desktop Renderer enabled crashes on iPhone
UE - Rendering - Architecture - RHI - Oct 11, 2024iOS package with Metal Desktop Renderer enabled crashes on iPhoneThis issue does not occur if Metal Desktop Renderer is disabled ...
Memory leak with disable rendering
UE - Graphics Features - Sep 2, 2019When executing "ShowFlag.Rendering 0", it occur the memory leak because it can't run RHICmdList.ImmediateFlush(). The following code is a workaround. DEC_MEMORY_STAT_BY() is ImmediateFlush. Witho ...
MSAA breaks post process material comparing Scene / Custom Depth
UE - Graphics Features - Sep 15, 2017The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...
Exiting PIE with dedicated server checked causes editor to crash on Linux
UE - Platform - Linux - Oct 25, 2016Checking the box for Dedicated Server in the Play dropdown menu causes the editor to crash when exiting PIE. This does not occur in 4.13 or 4.14 on Windows. ...
"Enable Stencil Test" Mobile crash
UE - Graphics Features - Sep 10, 2019A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...
[ModularSynth] - The square wave oscillator is silent in the modular synth component
UE - Audio - Nov 21, 2022Reproduced 3/3 times. Issue does not occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Note that Sound can be heard when Osc types are set to anything else besides Square, or ...
Self-Shadowing changes when click on and off an actor
UE - Graphics Features - Jun 19, 2015Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...