Unreal Engine Issues
Unreal Engine Issues
Static meshes in a particle system are not affected by decals
UE - Graphics Features - Dec 21, 2017There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...
Wire thickness settings appear to affect the wrong wires
UE - Gameplay - Blueprint Editor - Sep 28, 2017When changing wire thickness in the editor preferences the setting appear to affect the wrong types of wires. ...
WorldGridMaterial gets added as Element 0 when importing LOD model
When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...
Global illumination Postprocess settings doesn't affect Reflection on Mobile
UE - Platform - Mobile - Jul 29, 2019Postprocess GI related settings look like working in 4.22 on Mobile now, but seems buggy, Not sure if it has supposed to be supported on Mobile since it has no any info in Doc or 4.22's release note ...
Random number generator has a higher probability of returning 0 than any other number
UE - Foundation - Core - Mar 22, 2015I had a game that needed to generate hundreds of thousands of random numbers. (I was using the Blueprint "Random Float" node). There were a ton of 0.0 values generated, many more than any other n ...
Build fails due to potential divide by 0 error
UE - Graphics Features - Sep 29, 2017Shipping builds of the Engine fail when using the Visual Studio 2017 compiler due to a potential divide by 0 error. This is because the TotalColumnSize property of SMemoryStats is set to 0 by defaul ...
[CrashReport] UE4Editor_Slate!FDelegateBase::Unbind()
UE - Editor - UI Systems - Slate - Jul 24, 2017This is a common crash affecting users in 4.16. User Descriptionstrying to import a texture D: Source Context 137 /** 138 * Unbinds this delegate 139 */ 140 ...
[CrashReport] Linux crash - TOpenGLBuffer<FOpenGLBaseVertexBuffer, 34962u, &()
UE - Platform - Linux - Sep 14, 2017This is an infrequent Linux crash that has affected a few users in 4.17.1 Callstack from Log[2017.09.12-17.23.41:651][ 0]LogRHI: OpenGL MajorVersion = 4, MinorVersion = 5, ShaderPlatform = GLSL_43 ...
NavMesh does not update properly when "Can Ever Affect Navigation" is toggled
UE - AI - Mar 27, 2015if I place a mesh with "Can Ever Affect Navigation" set to true, then set it to false, it will leave the NavMesh with a bugged "hole" that AI does not path around correctly (causing the "Blocked" er ...
'Affect Translucent Lighting' setting on Lights not working in Forward Renderer
UE - Graphics Features - Apr 30, 2017The option 'Affects Translucent Lighting' for lights does not seem to have an affect objects/materials using translucency. I tested this setting in the Deferred Renderer and it works as expected. I ...