Multi-process cooking does not complete in UE5.3.0

UE - Foundation - Data Pipeline - Cooker - Sep 26, 2023

Projects with multi-process cooking enabled will not complete packaging. If MPCook is disabled, packaging can be completed.  ...

DrawDebug elements on screen affect aspect ratio letterboxing

UE - Rendering Architecture - Nov 1, 2023

During gameplay when the view target camera's aspect ratio is not exactly the viewport's aspect ratio, the presence of rendered debug draw elements (DrawDebugArrow, etc) makes the viewport's rendere ...

Copy Actors out of play mode ( 5.3.1 )

UE - Editor - Workflow Systems - Dec 22, 2023

From UDN case #00645621: Is it possible that this function has been deactivated? In 5.03 I can copy objects from the game mode. ...

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

UE - Editor - UI Systems - Jun 19, 2017

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

When always loading last project, project logs are saved to the engine folder

UE - Editor - Aug 6, 2020

Checked on the Binary version //UE4/Release-4.25 stream CL 13942748 Version 4.25.3, logs are also saved into Engine folder: \AppData\Local\UnrealEngine\4.25\Saved\Logs instead of a Project folderIf a ...

Editor Periodically Has Performance Drops In Basic Scenes

Tools - Dec 27, 2019

The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...

Particles Do Not Obey Lighting Channels

UE - Niagara - Apr 17, 2018

Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...

Incorrect Manual Focus Distance from eye dropper

UE - Anim - Sequencer - Oct 17, 2019

The Debug Focus Plane in the CineCameraActor does not appropriately respond to mouse input and position when the Manual Focus Distance is set using the eye-dropper. Tested in 4.21.2 (CL - 4753647), ...

Sublevels Move To New Subfolders Automatically When New Ones Are Made

Tools - Mar 11, 2020

When adding a new subfolder in the Levels window all the sublevels in that parent folder move to the new sublevel. Currently you have to create all the sub folders then move the sublevels to keep th ...

Editor crash when a spline component is added to a blueprint and compiled

Tools - Sep 7, 2016

Most recent user affected CL: 3106830 (4.13.0) Error message: Access violation - code c0000005 (first/second chance not available) Source Context: SelectedKeys = SplineVisualizer->GetSelectedKey ...