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

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

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. ...