Unreal Engine Issues

Vector VM - Crash / memory stomp when using > 255 external function calls

The Vector VM has only every supported a byte's worth of external function calls, when we blew the limit it would index into the incorrect VM call. The new VM will also overwrite memory when exceed ...

Crash accessing a non-empty TSet or TMap local variable in a blueprint function

Getting a crash when trying to access a non-empty TSet or TMap local variable in a blueprint function. This is only occurring with local variables. The issue also does not occur if the TSet or TMap ...

Consecutive runs of a Functional Test do not populate screenshot differences in the Screen Comparison Tab

Consecutive runs of a Functional Test do not populate screenshot differences in the Screen Comparison Tab Discovered during the verification of [Link Removed], that issue was closed due to the setu ...

Private and Protected functions do not display in the context menu in child BPs

This was introduce by changes to UEdGraphSchema_K2::CanFunctionBeUsedInGraph in CL 9230757 for [Link Removed]. ...

Add Chunks button in asset audit tool does not function because of name compare problem

The Asset Audit window uses the content browser to display information about both real assets and fake assets like chunk definitions. When you hit the Add Chunks button, it adds several fake assets ...

Directional Light Is Not Casting Shadows Past a Certain Point In Large Worlds On All Actors/Grass

Directional light is not casting shadows past a certain point in large worlds on all actors/grass. In 4.19 CL# 4033788 shadows show up but not until the camera is very close to the object. 4.19 Pro ...

LightColor property for light component and skylight component are animating all other color properties

Creating FTickableObjectBase inherited class in async thread may cause pure virtual function call

Classes that inherit from FTickableObjectBase are added to the tickable queue by the QueueTickableObjectForAdd function during their construction (see FTickableGameObject::FTickableGameObject). At t ...

Material Function Input Displays Incorrect Data Type for Volume Texture, Static Bool, Material Attributes, and External

The material function Input Displays incorrect data type for Volume Texture, Static Bool, Material Attributes, and External. The function will still work properly however the type data is displayed ...

Distance Fields do not work with Directional Lights when using a AMD Radeon card.

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...