Unreal Engine Issues

crash from a race condition between interchange worker dispatcher and worker handler

Crash when client tries to connect to server instance using WP

GAS: Crash on resizing FActiveGameplayEffectsContainer::AttributeValueChangeDelegates while executing a contained delegate

Game code can register listeners to when a GAS attribute changes value, for example by calling: AbilitySystemComponent->GetGameplayAttributeValueChangeDelegate(SomeAttribute).AddLambda(); These de ...

LidarPointCloud plugin causes crash on startup in packaged game on Mac

UFUNCTION in a derived class with a different signature will cause a crash when called

Reported by AnswerHub user. UHT should block UFUNCTIONs which hide other UFUNCTIONs with the same name but different signature. ...

Editor crash when compiling a blueprint containing `SetAvoidanceEnabled` call in construction script.

Crash on exit when using -opengl4 and visualizing a material buffer "vis BufferName"

Upon exit it appears that some resource is trying to clean itself up after the RHI has been destroyed. Call stack (approximated) looks like: FOpenGLDynamicRHI::InvalidateTextureResourceInCache() ~F ...

Crash in Forward Renderer DX11 RHI Impl when using VR PIE

// enforce color target is <= depth and MSAA settings match if(RTTDesc.Width > DTTDesc.Width || RTTDesc.Height > DTTDesc.Height || RTTDesc.SampleDesc.Count != DTTDesc.SampleDesc.Count || ...

Editor crashes when using Convolution Bloom executing High Resolution screenshot.

I confirmed in UE4.21.2. I attached the project to reproducte the problem. ...

Crash upon opening packaged game when Event Driven Loader is disabled

Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...