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 ...

Assign Event On Destroyed no longer creates Custom Event Node

UE - Gameplay - Blueprint Editor - Oct 9, 2018

When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space;  type "Assign on Destroyed"  and select  "Assign ...

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 ...

Crash when using both tessellation and virtual texture on a landscape material

UE - LD & Modeling - Terrain - Landscape - Feb 11, 2020

When a landscape is set up to use runtime virtual texturing. If it uses a material that writes to a runtime virtual texture and has tessellation enabled. Then we see a crash and the log reports: ...

Landscape Tool crashes on Layer Import

UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020

The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...

Disabling DFAO prevents landscape from contributing to Lumen scene

UE - Graphics Features - Lumen - Oct 10, 2023

From licensee: We disabled DFAO on our project (using r.DistanceFieldAO 0) to replace it with Lumen occlusion, as the combination of both was creating dark blobs under bushes and grass. However, we ...

Reimporting mesh will wipe any collisions that were setup using the Static Mesh Editor

Tools - Jun 12, 2015

When Reimporting a mesh the collision that is created using the methods in the Static Mesh Editor will be wiped if there was not previously setup UCX custom collision. ...