Unreal Engine Issues
Unreal Engine Issues
Debug lines can be obscured by post processing effects
UE - Graphics Features - Sep 14, 2015Debug lines (Results of DrawDebugLine()) can be obscured by post processing effects such as a strong glare. Debug lines should be always visible for debugging purposes. ...
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 ...
Blueprint derived from C++ class not saving correctly
UE - Gameplay - Blueprint - Jul 27, 2015The blueprint that the user is using loses some data when the editor closes and reopens despite saving all of the content. Note: Currently unsure of what exactly causes this but as I am able to rep ...
BuildId in the UE4Editor.version file for a local binary build will sometimes be updated when a hot reload is performed
UE - Foundation - Core - Feb 10, 2018Performing a hot reload on a project that is using a local binary build of the Engine will sometimes result in the Engine's UE4Editor.version file being updated with a new BuildId value. That result ...
[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:184] - FPngImageWrapper::UncompressPNGData
Tools - Mar 23, 2018Comment for user in crash group:Just add automotive project to my account, add it as 4.18, and each time trying to laod it, it crashes... 174 if (GWarn) 175 { 176 GMallo ...
NiagaraSystem is compiled every time when first loaded in the editor
UE - Niagara - May 20, 2022If you are using a large amount of Niagara, you will experience excessive load times in PIE even if nothing is changed. The following code change seems to be effective as an interim response. void ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...
[CrashReport] UE4Editor_Engine!FMaterialShaderMap::GetMeshShaderMap() [materialshader.cpp:2395]
UE - Graphics Features - Mar 30, 2018User comments in crash group:Duplicating material and switched it cause i have to use itChanging a landscape material.I just import World Machine landscape with multi-layered.Crash when reaching 16 ...
[CrashReport] UE4Editor_Engine!UBlueprintGeneratedClass::InitPropertiesFromCustomList() [blueprintgeneratedclass.cpp:564]
UE - Gameplay - Blueprint - Feb 2, 2018No user comments in crash group ...
Resetting MovieSceneObjectBindingID property can't update display
UE - Anim - Sequencer - Apr 19, 2024When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...