Screen Space Ambient Occlusion Artifacts

Docs - Samples - Apr 3, 2015

Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...

GetScaledCapsuleHalfHeight does not work properly if X or Y is lower than Z scale

UE - Simulation - Physics - May 25, 2018

GetScaledCapsuleHalfHeight multiplies the CapsuleHalfHeight by the lower scale value, even if it is X or Y. Seeing as Half Height should only be related to the Z scale, this does not work out proper ...

Sphere Physics do not go to sleep causing infinite rolling

UE - Simulation - Physics - Jan 30, 2015

When you have a sphere that is rolling it will never come to a complete stop even at low speeds. It will slow it's speed but never stop. This conversation was discussed with James G and Ori C back ...

All clients return "Client -2:" when using a print string in UMG

UE - Gameplay - Jul 5, 2016

All clients return "Client -2:" when using a print string in UMG ...

Tagged binding exists after deleting object binding in sequence

UE - Anim - Sequencer - Mar 12, 2021

Tagged bindings aren't deleted when their object binding is deleted in the sequence.  ...

Bloom artifact showing in splitscreen settings

UE - Graphics Features - Jan 15, 2015

There is a bloom artifact at the top of the bottom player's screen. ...

Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build

UE - World Creation - Worldbuilding Tools - Sep 5, 2025

The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...

Struct Default Values not registering in user generated structs

UE - Gameplay - Blueprint - Jun 15, 2016

Arrays of structs do not register default values when the array is resized. Regression (no) issue (does) occur in 4.11.2 ...

Stacked Material Nodes become difficult to read

UE - Rendering Architecture - Materials - May 13, 2015

Material Nodes, particularly Constant Vector 3s and Texture Samples, become difficult to read when users overlay them like stacked cards. [Image Removed] Also reproduced in Main Promotable-CL-2548 ...