Unreal Engine Issues
Unreal Engine Issues
There is a possible code mistake in UPrimitiveComponent::GetCollisionShape.
UE - Gameplay - Oct 21, 2015A user pointed out a possible mistake in the Engine source code. In the GetCollisionShape function in the UPrimitiveComponent class, an FVector variable Extent is created and set, and then potential ...
Compile error when Blueprint Interface returns a map type variable
UE - Gameplay - Blueprint - Feb 26, 2019A Blueprint Interface function that returns a map type variable will fail compiling with various errors when called in another Blueprint. If the same function is setup in the Actor Blueprint instead ...
Overridden Lightmap Resolution in Sample Projects are too high
Docs - Samples - May 11, 2015Starting with 4.7 and when we changed the BSP blocks in Sample Content to Static Meshes, a significant minority of lower end PC users are getting soft crashes (freezes and rebooting required to cont ...
Foliage LODs do not appear to use the base LODs lightmap any longer
UE - World Creation - Worldbuilding Tools - Foliage - Dec 16, 2016LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...
AutoCreateRefTerm does not provide a way to specify that a TArray property within a struct should have a default value created for it if none is provided
UE - Gameplay - Feb 9, 2018The current implementation of AutoCreateRefTerm does not allow for a default value to be automatically created for a TArray contained within a struct that is passed into a function as a parameter. I ...
[CrashReport] UE4Editor_Engine!FTextureCacheDerivedDataWorker::BuildTexture() [texturederiveddata.cpp:772]
UE - Graphics Features - Feb 20, 2017Error message: Access violation - code c0000005 (first/second chance not available) Source Context:757 if (SourceMips.Num()) 758 { 759 FFormatNamedArguments Args; ...
AbilitySystemComponent::NotifyAbilityEnded Can Crash due to Callbacks Invalidation Specs
UE - Gameplay - Gameplay Ability System - Oct 11, 2023Pasting from the UDN: Unsafe code in AbilitySystem can lead to crash when granting an ability inside OnAbilityEnded Hello. We just ran into a crash. After investigation, it seems to be caused by ...
[CrashReport] UE4Editor-ApplicationCore.dylib!FMacWindow::ApplySizeAndModeChanges()
UE - Platform - Apple - Oct 27, 2017This is an early trending Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. Callstack from LogLogAssetRegistry: Asset discovery search completed ...
Striped Stencil Artefacts across scene under OS X using ATi 4xx0 GPUs
UE - Platform - Apple - Nov 21, 2014From AnswerHub: Lighting problem [Mac] I am currently testing UE4 on a Mac at my college, but there are these strange lines where light is being cast onto surfaces. I'm currently wondering if this i ...
Dynamic Directional Shadows do not work with Planar Reflections
UE - Graphics Features - Aug 9, 2016Movable/Stationary dynamic shadow distance in the Directional light is not captured in the Planar Reflection. Note that Point and Spot Lights box cast shadows that can be rendered in the reflection ...