Unable to create a 'World Soft Object Reference' Variable from the Variables Panel

UE - Gameplay - Jun 21, 2018

In order to obtain a 'World Soft Object Reference' you have to add a 'Load Level Instance' node and promote the input pin to a variable. You are unable to add a reference to 'World' from the Variabl ...

Web browser widget does not receive input when used in a 3D widget component on Android

UE - Platform - Mobile - Jul 9, 2018

Web browser widgets to not receive input when used in a widget component on Android devices Update: Oculus Quest devs attempting to implement and interact with the web browser widget via widget i ...

Can't disable collision on landscapes

UE - LD & Art - Modeling Tools - Landscape - May 14, 2018

Disabling collision on a Landscape doesn't work when using the Collision Preset 'NoCollision'. The Landscape still generates collision on Static and Skeletal meshes. ...

Foliage LOD's Screen Size Can't be Set Higher Than 1.5

UE - LD & Art - World Building - Foliage - Jan 31, 2019

Foliage LOD's Screen Size Can't be Set Higher Than 1.5 Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620, 5.1 CL 20024840 ...

Complex Landscape Collision is always used

UE - LD & Art - Modeling Tools - Landscape - Oct 24, 2018

For landscapes, both the simple and complex collision are used when simulated against.  ...

Procedural Foliage Volume: Simulate() function doesn't work in Blue Print

UE - LD & Art - World Building - Foliage - May 10, 2019

Procedural Foliage Volumes can be resimulated by clicking the Resimulate button. But they can't be resimulated from Blueprints, even if there is a Simulate() function that can be executed. Found in ...

Root Motion interpolation is incorrect when use URO

UE - Anim - Runtime - Aug 3, 2018

According to Licensee's report, Root motion is incorrect when use URO. I Investigated, in the case of "Montages Only" become TrailMode in URO. Normally Animation Interpolation has implementation, ...

Inconsistent Blueprint Instance Physics/Collision edit-ability

UE - Simulation - Physics - Oct 9, 2018

For Blueprints with components having collision, the collision profile set in the blueprint seems to determine the edit-ability of many collision/physics properties of the instances. The profiles ef ...

Documentation for Geographically Accurate Sun Positioning contains Incorrect Definition for Longitude and Latitude.

Docs - Jan 28, 2019

Incorrect definitions for Latitude/Longitude in Documentation for Geographically accurate sun positioning.  https://docs.unrealengine.com/en-us/Engine/Rendering/LightingAndShadows/SunPositioner Ex ...

FBatchedElements::Draw - OrthoZoomFactor can be reset to 1.0f if Line.bScreenSpace is ever false

UE - Rendering - Feb 20, 2017

A licensee has reported that the Draw function in BatchedElements.cpp can set the OrthoZoomFactor (not a local variable) to 1.0f if Line.bScreenSpace is ever found to be false. The line this can oc ...