SpeedTree Material No Longer Compiles With Texture Coordinate Node In BaseColor

UE - Graphics Features - Jan 25, 2017

If you open a material with the speedtree node plugged into WPO and then use a texture coordinate(index of 2) in base color the material will no longer compile properly. The full error is "Error [ ...

Unable to locally rotate individual foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jul 14, 2017

Unable to locally rotate individual foliage. This seems to have been a limitation of the foliage tool from it's creation. Licensee Description: I would like to ask if there is any way how to preve ...

Material Parameters aren't unique if the Material Function has been duplicated

UE - Graphics Features - Jul 31, 2017

Material Parameters aren't unique if the Material Functions has been duplicated, When the parameters are enabled in a Material Instance, one will be disabled on Material Instance close. This is a r ...

Foliage meshes do not appear in high res screenshots after certain amount

UE - World Creation - Worldbuilding Tools - Foliage - Aug 24, 2017

When using the Engine's High Res Screenshot tool, there is a limit on the amount of foliage that can be present before the meshes stop appearing. This number is around 1500 meshes, though I was not ...

Editor cannot handle blueprint structure using an Actor Map variable

UE - Gameplay - Blueprint - Aug 28, 2017

If a blueprint structure contains a map variable with Actor Class Reference as the key, populating the map with a custom blueprint (ActorSet) and adding a variable of the structure to any other blue ...

Metal crash after painting 300 Foliage meshes onto a surface

UE - Graphics Features - Oct 4, 2017

Encountered a Metal crash when painting Foliage on Mac. I'm unable to reproduce anything similar on Windows. This crash can occur if the user drags a Static Mesh into the Foliage Panel or uses an e ...

Importing FBX creates new materials when using the search materials import setting

UE - Editor - Content Pipeline - Import and Export - Nov 1, 2017

There is an issue when importing FBX that creates new materials when using the search materials import setting. Instead of being able to use the material that is in the Base Material name, the textu ...

Android devices are not opening video source files

UE - Platform - Mobile - Jan 10, 2018

There is an issue when packaging and launching onto an andorid device in version 4.18 where Android devices are not opening video source files, playing the level on the device shows only a black scr ...

Materials Added to an FBX Will Not Be Added When Reimporting

Tools - Oct 25, 2018

Adding a material to an FBX with a Multi/Sub-object material, then reimporting the FBX will not import the new material. The material element will be added to the mesh but the material applied will ...

Crash: Unhandled exception UE4Editor_Renderer!FMobileBasePassMeshProcessor::Process

UE - Graphics Features - Mar 14, 2019

HUD can cause a crash when used with Mobile. "When running from visual studio exception happens here: https://github.com/EpicGames/UnrealEngine/blob/4.22/Engine/Source/Runtime/Renderer/Private/Mobi ...