Unreal Engine Issues

Crash in TMap struct deserializer

When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...

UWorld::RemoveFromWorld does not check Pointer Reference for null before use

The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...

Copying an InstancedStaticMeshComponent does not render correctly

Material cannot be set in MaterialInterface of NiagaraParameterCollection

When MaterialInterface is added to UserParameter of NiagaraSystem, Material can be set in Properties. Also, in UE4main CL15988344, there is no MaterialInterface item in the NiagaraParameterCollecti ...

Cannot click the create new project button on a monitor with 1366 x 768 resolution

If a user has a 1366 by 768 monitor resolution and uses the File > Create New project option, then the user will not be able to click the green button at the bottom of the window that actually allow ...

Handle fracturing a destructible mesh when the source mesh has been deleted without a crash.

When attempting to fracture a destructible where the source static mesh has been deleted we get a crash in APEX. APEX can't seem to find any root leaf nodes to begin fracturing upon. This does not ...

Non-blueprint ed graphs need to clean up their deprecated pins

Old UEdGraphPins are not being removed from non-blueprint assets. ...

PIE Exits and Error Appears When Attempting to Travel to New Map

When attempting to use an overlap event followed by an open level node, PIE will exit and errors will appear in the message log. ...

Crash when double clicking a level in Content Browser to open it

Skeletal Mesh Has Flickering Artifacts On Mac

White artifacts appear when you have a stationary directional light in your scene with default settings that is casting a shadow, and a skeletal mesh is in that shadow after baking lighting. You wi ...