Widget components and widgets in screen space are not the same color

UE - Editor - UI Systems - Jun 27, 2016

Widget components appear to be affected by lighting. This causes differences in color between widget components and widgets that have been added to the viewport. ...

Renaming Native Blueprint Interface category in Blueprint derived class causes crash

UE - Gameplay - Blueprint - Aug 22, 2016

Renaming a function category from a Interface class which a class inherits from causes crash. ...

The collision is wrong when the static mesh scale is set as negative value

UE - Simulation - Physics - Feb 15, 2022

I checked the c.haos code quickly. I think it caused by the function "bool FInitBodiesHelperBase::CreateShapesAndActors()". In this function, the CreateActor_AssumesLocked function will ignore the s ...

ALight::Destroyed() doesn't call Super::Destroyed()

UE - Gameplay - Feb 25, 2016

A licensee mentioned that If you see ALight::Destroyed() in Engine\Source\Runtime\Engine\Private\Light.cpp, you can see Super::Destroyed() is't called in the function. ...

No Implementation of Constructor in FNetBitReader

UE - Networking - Mar 13, 2017

It seems that in CoreNet.h, there are two constructors declared. However, only the first constructor is defined in CoreNet.cpp. If you look in CoreNet.h, you'll notice that FNetBitReader( int64 In ...

DLC Package content isn't recognized when using RequestAsyncLoad

UE - Foundation - Core - May 24, 2016

Attempting to load dlc assets with RequestAsyncLoad function results in the assets not being recognized. ...

Material Graph Editor crash when changing the value of a node entering a reentrant expression

UE - Rendering Architecture - Materials - Oct 1, 2024

It is possible to cause an editor crash when changing a the value of a node involved with a reentrant expression. See the steps to reproduce for more information. Specifically, the crash occurs whe ...

Blueprint Add Custom Event unable to resolve delegate signature inside a split struct

UE - Gameplay - Blueprint - Apr 19, 2024

This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...

BP-exposed UGameplayCamerasSubsystem calls can check-crash the editor

UE - Anim - Sequencer - Mar 30, 2023

Any calls to UGameplayCamerasSubsystem's blueprint-callable functions has the potential to crash the UE editor or a game project by using the wrong PlayerController or calling it at the wrong time. ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalHeap::BufferSizeToIndex()

UE - Graphics Features - Jan 5, 2018

User comments:when i buld light on preview it build light 100% after that when system showing 43% or more after building light engine crash every time, pls help me... thanksDuplicating three Spher ...