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 ...

image size does not appear to have any affect when a progress bar's image is set to tile

UE - Editor - UI Systems - Slate - Jun 15, 2015

When trying to set the image size for the image that is tiled in a progress bar, this does not appear to have any affect. The expected result would be for it to modify the size of the image so as to ...

On Drop appears to cause update issues with widgets that are affected On Drag Enter

UE - Editor - UI Systems - Jan 3, 2017

On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...

Clothing tool may generate an unsmooth display mesh on 4.26

UE - Simulation - Physics - Character - Mar 23, 2021

This is related to the optimization applied in CL#13181876. Binding simulation mesh to display mesh can't find the nearest triangle when a triangle is located near the AABB boundary. ...

Shipping build crash when unplugging then replugging Oculus HMD

UE - Platform - XR - Nov 9, 2016

Game crashes in shipping build when un-pluging the Oculus HMD, then plugging it back in. Confirmed in 4.13.2 from the launcher, did not repro via same steps in 4.14 preview 3 ...