The Alpha Coverage Thresholds in texture settings doesn't work as expected

UE - Editor - Content Pipeline - Import and Export - Nov 6, 2020

Light Propagation Volume does not work on Linux

UE - Graphics Features - Feb 1, 2021

It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...

Level instance in unloaded data layer stays loaded.

UE - World Creation - Worldbuilding Tools - Level Instances - Sep 19, 2022

Sound Class Radio Filter Volume Functionality

UE - Audio - Jan 12, 2015

When creating a Sound Class and editing/applying the 'Radio Filter Volume' option, the sounds associated with the sound class seem to have their attenuation settings overridden or mixed in with an i ...

Reflections Appear Black

UE - Graphics Features - Nov 13, 2015

Adding Screen Space reflections to a Translucent Material Causes black reflections. Sometimes the reflections are completely white and do not change when changing the intensity of the lighting. [L ...

Localization warnings when opening a new project in 4.8.1

Tools - Jul 2, 2015

There are a couple of warnings that show up in the output log that are dealing with localization when opening up a new project. ...

Scale of the parent of a Motion Controller Component is ignored

UE - Platform - XR - Nov 17, 2016

Seems like although you can set a scale on a MotionController component, the scale of the parent of the motion controller component is ignored. ...

Major performance drop with instanced meshes since PhysX 3.4 upgrade

UE - Simulation - Physics - Mar 15, 2017

Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...

The "Random Integer in Range from Stream" returns the same value if the seed is power of 2 of anything above 22.

UE - Foundation - Core - Aug 7, 2019

When using the "Random Integer in Range from Stream" where the seed is a power of 2 after a certain point (2^22) the random integer that is returned is the always the same. If the seed is 2^23 + 1 i ...

'Skip Assigning Gamepad to Player 1' routes MotionController input to non-vr player

UE - Gameplay - Input - Jan 4, 2020

Motion controller inputs get routed to non-vr player when 'Skip Assigning Gamepad to Player 1' is enabled. ...