Unreal Engine Issues

Trace complex for assets simulating physics does not show accurate collision

When using Trace Complex in a LineTraceByChannel node does not give accurate results when object is simulating physics and scaled. The scaled root mesh in the BP will only register its collision rat ...

Add Submix Effect Blueprint Does Not Have Any Effect

Adding a second effect to the Submix Effect Chain on a Submix works as expected, but when trying to add a Submix Effect via Blueprint, there is no effect.  This also applies to "Add Master Submix Ef ...

SceneTexture:WorldNormal causes decal to ignore Emissive Color

SceneTexture:WorldNormal causes decal to ignore Emissive Color.  ...

[CrashReport] UE4Editor-MetalRHI!MetalLLM::LogAllocTexture(mtlpp::Device&, mtlpp::TextureDescriptor const&, mtlpp::Texture const&) [MetalLLM.cpp:240]

Generated from CrashReporter ...

[CrashReport] Linux crash - llvm::TargetLowering::LowerCallTo()

This is a common Linux crash in 4.16.2. ...

Physics simulation shows strange behavior with specific skeletal mesh configurations

PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...

~FStaticMesh() can crash with race condition

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...

Crash on paste of subcategory in the details panel

Sessions Frontend crash when launching the "renderer" automation section without ray tracing enabled

Looks like we only need a way to disable the usage of these tests from running if ray tracing is disabled as they are ray tracing only tests. ...

Linux crashes in the Project Browser without using the -nocef command

When opening Unreal Editor on Linux, the Project Browser opens but is completely unresponsive. Shortly afterwards the editor will crash. If you use the -nocef command when opening the Editor, everyt ...