Material cannot be set in MaterialInterface of NiagaraParameterCollection

UE - Niagara - Apr 16, 2021

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

Tools - Sep 17, 2015

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.

UE - Simulation - Physics - Destruction - Jul 13, 2015

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

UE - Gameplay - Blueprint - Aug 3, 2016

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

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

UE - Gameplay - Aug 19, 2016

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

UE - Editor - Workflow Systems - Apr 19, 2016

Skeletal Mesh Has Flickering Artifacts On Mac

UE - Graphics Features - Oct 26, 2016

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 ...

Landscape Layer blend node inconsistency

UE - LD & Modeling - Terrain - Landscape - Mar 24, 2015

When the landscape has no textures the landscape layer blend material node will render as the first layer. When painting only holes onto the landscape, the landscape will have a layer texture but st ...

The IOS Third Party library Bolts has an incorrect file name in its Build.cs file

UE - Platform - Mobile - Dec 11, 2015

The Bolts library is not correctly linked in its Build.cs file. The Build.cs file contains the following line with an incorrect file name: PublicAdditionalShadowFiles.Add(LibDir + "/Bolts.a"); The ...