FOculusRiftHMD::EnablePositionalTracking() may be missing a call to UpdateHmdCaps()

UE - Platform - XR - Feb 26, 2015

A user reported that the FOculusRiftHMD::EnablePositionalTracking() function is missing a call to UpdateHmdCaps() so that the status of the HMD is correctly updated. The user's suggestion for this ...

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 ...

Project fails to compile if UFUNCTION parameter shares a name with a previously defined UPROPERTY variable

UE - Foundation - Core - Feb 29, 2016

If the name of a UFUNCTION parameter matches the name of a previously defined UPROPERTY variable, the project will fail compile due to the following reason: Function parameter: '[Variable/Paramter ...

Cannot Set the Arrow Component Size Correctly within Construction Script as Actor Blueprint

UE - Gameplay - Blueprint - May 19, 2015

Setting the arrow size of an added arrow component via the Construction Script, does not update unless the 'Set Arrow Size' is plugged into the 'Set Arrow Color' function. The expected outcome woul ...

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. ...

Instanced Static Meshes do not Cast Shadows correctly when Baked

UE - Graphics Features - Aug 31, 2016

When an instanced mesh that is added in the construction script is far enough away from the root component and has it's lighting baked the shadow will not render or will render incorrectly. This w ...

Hot Reload does not update blueprint pins

UE - Gameplay - Blueprint - Jan 15, 2015

When changing the variable type or return type of a function in code and hot reload in the editor, blueprints that use the variable/function do not have their pins updated until the editor is closed ...

Dynamic Shadow Distance only working for values below 20000 on translucent materials

UE - Graphics Features - May 31, 2018

The dynamic shadow distance movable light setting is only working for values below 20000 on translucent materials. The shadow cast on the translucent material will fade out long before the opaque ma ...

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. ...