Unreal Engine Issues
Unreal Engine Issues
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 ...
Play rate affects all blendspace samples using the same Anim Sequence
OLD - Anim - Jun 27, 2017Play rate affects all blendspace samples using the same Anim Sequence Occurs on? 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - 3502710 - YES ...
ForLoop used inside BP Function Library always returns 0 index when used in a Construction Script
UE - Gameplay - Sep 18, 2018Using a For Loop inside of a Blueprint Function or Function Library will always return index 0 when used in the Construction Script. This was reported and tested in 4.19.2 (CL-4033788). This was r ...
Light min roughness set to 0 will create black artifacts on materials with negative roughness value
UE - Graphics Features - Aug 9, 2016Any light's min roughness setting creates black artifacts with materials who have a roughness value less than 0. The min roughness must be =< 0. ...
[CrashReport] GPU Hang on Linux - /usr/lib/nvidia-381/libGLX_nvidia.so.0
UE - Platform - Linux - Aug 16, 2017This is a trending GPU hang crash on Linux in 4.16 and 4.17. It is similar to [Link Removed] (nvidia-375) ...