Setting GDelayTrimMemoryDuringMapLoadMode = 2 causes crash on same map reload

UE - Gameplay - Jan 8, 2024

GDelayTrimMemoryDuringMapLoadMode is a CVar that controls whether a garbage collection should take place during map change after unloading the previous map and before loading the new one. By default ...

Setting world scale appears to affect the distance between eyes in VR

UE - Platform - XR - Nov 21, 2016

The "Set world to meters scale" node appears to affect the distance between eyes in VR. The eye gap distance appears to grow larger as well making everything appear out of focus ...

Play rate affects all blendspace samples using the same Anim Sequence

OLD - Anim - Jun 27, 2017

Play rate affects all blendspace samples using the same Anim Sequence Occurs on? 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - 3502710 - YES ...

Duplicating Asset With Suffix 0 Will Jump To A Suffix Of 2

Tools - Oct 28, 2016

When duplicating an asset with the suffix 0 in the content browser the duped asset will get a suffix of 2. Any other number works fine for example if you dupe an asset named "Test_23" the duped mesh ...

When using Lighting Scenario, loading order will affect how it's applied to the instances

UE - World Creation - Worldbuilding Tools - Foliage - Mar 7, 2019

When using Lighting Scenario, loading order will affect how it's applied to the instances, resulting in corruption if content is loaded after the lighting scenario ...

SetControlRotation does not affect VR

UE - Platform - XR - Oct 1, 2015

Using a Set Control Rotation node does not change the camera rotation when in VR mode. ...

Mobile MSAA breaks Modulated Shadows on OpenGL ES 2

UE - Platform - Mobile - Apr 2, 2018

UPDATED DESCRIPTION When enabling Cast Modulated Shadows on a Directional Light and using Mobile MSAA on Android OpenGL ES 2, shadows from the Directional Light do not render when dynamic objects ar ...

Creating a BSP modifies the default brush, adversely affecting placement of Volumes

UE - LD & Modeling - Modeling Tools - BSP - Aug 12, 2016

When a new BSP is created, modifications are made to the level's default brush. These changes affect how volumes are placed, with different BSPs causing different behavior in volume placement. ...

Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

UE - Graphics Features - Aug 27, 2019

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...

Unable to save blueprint after Hot Reload that affects the class the blueprint is based on

UE - Gameplay - Blueprint - Sep 14, 2015

After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...