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. ...

Crash when writing WPO using SceneDepth

UE - Rendering Architecture - Materials - Feb 25, 2022

Editor crashes on user project when attempting to spawn an actor from a struct within user's project.

UE - Networking - Sep 23, 2015

Editor crashes when attempting to spawn an actor from a struct within user's project. Frequency: 5/5 crashreporter: [Link Removed] ...

Origin Shifting Landscape crashes Render Thread

UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

Soft Object Reference Pins can't be reset to None

UE - Gameplay - Blueprint Editor - Dec 10, 2020

Soft Object Reference pins on Blueprint nodes can't be reset to None once an object reference has been set.  ...

Auto Exposure in Static Mesh Editor whites out the viewport when Vert Colors is enabled

UE - Graphics Features - May 4, 2017

In the Static Mesh Editor, Enabling Vert Colors causes high exposure in the viewport. Workaround Disable Auto Exposure in the Project Settings > Rendering > Default Settings This is a Regression ...

Eye Adaptation post process volumes make the viewport extremely bright

UE - Graphics Features - Jan 3, 2017

In 4.14 when entering the volume the screen brightens which is expected. The problem is that in 4.15 it brightens more. So much so that some static meshes are rendered almost completely white. I ...

Static Mesh Editor: Give options for drawing complex/simple collision

UE - Simulation - Physics - Mar 13, 2017

The collision mesh and the display mesh are often similar enough to be difficult to differentiate, and there is currently no way to view the collision wireframe without the display wireframe as well ...

Screenshots Comparison Tests with different partitions.

UE - Automation Test - Aug 28, 2019

The logs says: - AutomationFunctionLibrary: Screenshot captured as D:/xx/L_Test_Screenshots_outlined/Windows/D3D11_SM5/2dd1ddbfed537136cba0ef30863412f1.png - New Screenshot 'xx' was discovered! Plea ...

Widgets are removed from viewport on server travel

UE - Editor - UI Systems - UMG - Aug 3, 2023

The GameViewportSubsystem removes all widgets from the viewport in UGameViewportSubsystem::HandleRemoveWorld which is bound to the FWorldDelegates::OnWorldBeginTearDown and FWorldDelegates::OnPreWor ...