Crash closing a project that was packaged on Windows for Linux

Tools - May 11, 2017

This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...

HLOD generation does not respect Custom Primitive Data

UE - World Creation - Worldbuilding Tools - HLOD - May 7, 2020

HLOD material baking doesn't take into account any custom primitive data set on primitives that contribute to the bake. This was raised in: https://udn.unrealengine.com/questions/574875/proxy-lod- ...

Material previews in the content browser display the default material checkerboard

UE - Rendering - Architecture - Materials - Nov 16, 2023

Occasionally material and material functions previews in the content browser are displayed with the default material checkerboard, perhaps due to shaders not being compiled. UDN users are also expe ...

In Packaged builds, Chaos Cache Manager can't animate Geometry Collections with Nanite Enabled if Cache Mode is set to Static Pose

UE - Runtime - Deformable - Feb 27, 2025

In Packaged builds, Chaos Cache Manager (CCM) can't animate Geometry Collections (GC) with Nanite Enabled if Cache Mode is set to Static Pose. The licensee tried to animate a CCM using Sequencer onl ...

Vulkan crashes on Adreno Galaxy S7

UE - Platform - Mobile - Jan 19, 2017

SkyLight makes level entire green on Android devices

UE - Platform - Mobile - Aug 10, 2016

https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...

Light in Volumetric Fog offset in VR with Instanced Stereo and Forward Shading enabled

UE - Platform - XR - May 10, 2018

Light inside Volumetric Fog is offset in the right eye when viewing in VR with Forward Shading and Instanced Stereo Enabled If just Forward Shading or Instanced Stereo is enabled, this does not occ ...

Landscape on Mobile is broken

UE - LD & Modeling - Terrain - Landscape - May 8, 2018

UDN: https://udn.unrealengine.com/questions/431532/landscape%E5%9C%A8%E6%89%8B%E6%9C%BA%E5%B9%B3%E5%8F%B0%E6%98%BE%E7%A4%BA%E9%94%99%E8%AF%AF.html ...

[Feature Request] Subclassing UAnimNotifyState_TimedParticleEffect

OLD - Anim - Jan 23, 2019

"have had to modify UAnimNotifyState_TimedParticleEffect in order to subclass it. I added 'ENGINE_API' and removed 'MinimalAPI'. I also needed to move 'ValidateParameters' from 'private' to 'protect ...

Event Dispatcher complains when input is struct array

UE - Gameplay - Blueprint Editor - Sep 12, 2019

Result: Dispatcher node complains "No value will be returned by reference" [Image Removed] Expected: No user errors here. I did more test and the array of struct works as expected. Node shouldn' ...