Translucent Elements of an Invisible StaticMesh are Visible If Hidden Shadow is Enabled

UE - Graphics Features - Apr 5, 2019

Translucent parts of a static mesh is still visible after setting to invisible and Hidden Shadow. Working as expected in 4.20 CL# 4369336, and 4753647 Found in 4.22 CL# 4660361 and 4.23 CL# 576279 ...

Spawned Actors do not appear in World Outliner

Tools - May 11, 2019

Spawning actors from a Blueprint via the SpawnActorFromClass function at runtime does not cause the World Outliner to update. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 64 ...

Instances Created From Merge Actor Have Corrupt Lightmaps

UE - Graphics Features - Jun 6, 2019

Instances Created From Merge Actor Have Corrupt Lightmaps. Working as intended in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 6574378 and 4.23 CL# 6842436 This is a regression. ...

Ray Traced Translucency Option Doesn't Function in Post Process Volume

UE - Graphics Features - Lumen - Aug 16, 2019

Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...

Non-ASCII fonts don't display in UMG

Tools - Nov 6, 2019

When using a non-ASCII language in the editor text in UMG will not display correctly. Found in 4.23.1 CL#9631420 Reproduced in 4.24 CL#10053396, 4.25 Main CL#10050790 ...

The Build Nanite property is disabled after reimporting a mesh that has Build Nanite enabled

zComponent - Archive - Jun 23, 2022

Regression no, the issue was reproduced in Windows //UE5/Release-5.0 CL 20280985 repro rate 3/3 After the user tries reimport mesh with nanite enabled from mesh editor the mesh was reimported with ...

Crash occurs when after resuming from a Breaking Point that has been placed on an On List Item Object Set node

UE - AI Workflows - UI Systems - Slate - Oct 13, 2022

Tested in: //UE5/Release-5.1 CL22346211 Crashed with Assertion //UE5/Release-5.0 CL20979098 Crashed with Assertion Crash occurs when after resuming from a Breaking Point that has been placed on an ...

UE 5.4 - Specular/reflection disappears above 4096 resolution render

UE - Rendering - Architecture - Aug 1, 2024

After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...

Linker Instancing Context duplication results in OOM

UE - Engine Scaling - Streaming - OFPA - Aug 16, 2024

In order to fix a major issue involving dissapearing actors during cook, we added instancing context duplication in 31925640. This actually undoes the optimization made from 26543720 Both reported ...

[CrashReport] UE4Editor_PropertyEditor!SPropertyEditorAsset::GetObjectPropertyClass() [spropertyeditorasset.cpp:966]

Tools - Nov 23, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Class != NULL [Link Removed] [Line: 965] Source Context: 95 ...