Images Rendered out by Movie Render Queue has much more visible Banding issue in gradient

UE - Virtual Production - Rendering - Color - Aug 21, 2021

I did some experiment locally. At very first I thought it's the image compression issue, since the issue is also obvious while rendered out images as JPG and PNG, there's no image compression qualit ...

Crash when duplicating component with Instanced property initialized with CreateDefaultSubobject

UE - Framework - Feb 2, 2024

An editor crash can be observed when copy-pasting an actor with an actor component with an instanced object property when set to a non-default value. Detailed steps to reproduce are provided below. ...

BinaryConfig cannot be created in packaging if there is a space in the file path name.

UE - Foundation - Cpp Tools - Automation Tool - Jun 13, 2022

Error log is output when including spaces when packaging binary configurations. The following log contains the string "Test Test" with spaces in the file path. ERROR: Failed to copy D:\Projects\Te ...

Crash using Find in Content Browser with -d3ddebug command

UE - Graphics Features - Dec 9, 2016

Crash occurs when using the Find in Content Browser option in the World Outliner. This only occurs when using the -d3ddebug command. If I don't use it, everything works with no crash. ...

Complex Collision as Simple causes odd Overlap behavior

UE - Simulation - Physics - Jan 25, 2016

When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...

With Use Fixed Frame Rate turned on, time-based elements of the Editor appear to operate at incorrect rates.

Tools - Oct 29, 2015

Turning on the Use Fixed Frame Rate option for a project causes time-based elements of the Editor to operate at incorrect rates. ...

Fast Path pin update can break when anim BP compilation generates warnings

UE - Anim - Runtime - May 13, 2021

It seems that a Anim BP that generates a warning will break the updating of pins that are connected via fastpath in other parts of the graph. This was reported on the following UDN: [Link Removed] ...

Changing root component in C++ does not apply correctly to map placed actor instances

UE - Gameplay - Jan 4, 2023

Edit: Please investigate for not only root component changes, but native component hierarchy changes in general and whether those hierarchy changes apply to actor instances saved as part of maps. O ...

Light Function and World Position in 5.4

UE - Graphics Features - Nov 4, 2024

When rendering a Light Function into the Translucency Lighting Volume, the World Position Material Expression returns the position relative to the Camera (unrotated), not the World. This can be mor ...