Mouse Not Functioning Correctly with Multiple Displays Connected to Mac

UE - Platform - Apple - Apr 24, 2015

When using mutliple monitors connected to a Mac the mouse behavior does not function well. Attempting to navigate and drag windows to and from individual displays proves difficult. The user reporti ...

EditInlineNew specifier for UClasses causes issues with the editor UI

Tools - Dec 10, 2015

When a class uses the EditInlineNew specifier, the resulting class has some errors when interacting with the editor. 1. Unable to assign existing blueprints based off the class to an array of that ...

Anim Notify blueprints are included in packages when not referenced

UE - Foundation - Core - Cooker - Sep 17, 2018

Anim Notify Blueprints are included in Packaged builds of the editor even if they are not referenced. This does not occur with other Blueprint classes, such as Actor, although it may with some other ...

MediaTexture do not show video when playing a movie using Media Player in some Android devices.

Media Framework - Feb 13, 2018

Movie Player do not seems to play movie in some android devices. [Link Removed] You can simply run the attached project in android devices to see the movie is played as expected. ...

Memory leak in Test build when moving ISM with UpdateInstanceTransform

UE - Graphics Features - Jul 20, 2020

This leak occurs in Test builds, but not in Development builds. Updating InstancedStaticMesh with UpdateInstancedTransform every frame causes a memory leak. This screenshot was taken using Mempr ...

Warning spam when binding the "Frame" property of the HeterogeneousVolumeComponent on the Sequencer

UE - Niagara - Cinematics - Jan 24, 2024

I think it doesn't like the "bPlaying == false" expression for the EditCondition meta tag on the UPROPERTY... You also get these warnings every single time the Sequencer plays through a keyframe on ...

World Position is incorrect when used to control the opacity mask in a nanite spline mesh

UE - Graphics Features - Feb 20, 2025

When calculating the opacity mask, Nanite spline meshes do not have the correct World Position in the Material. This leads to visual artifacts when the mask relies on the world position. ...

Matinee doesn't display animated SkeletalMesh if its origin is out of view

UE - Anim - Sequencer - Jan 23, 2015

From 8/17/16 Tools sync: This is probably also happening in Sequencer. Think Sequencer should just auto-set this flag. ----------------------------------- If a SkeletalMesh actor is placed beyond v ...

Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level

UE - Gameplay - Blueprint - Oct 26, 2015

If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...

Different Drag and Drop Behavior between Tile, List, and Column Views in the Content Browser

UE - Editor - Content Pipeline - Content Browser - Aug 11, 2015

In the Content Browser in the Viewport to the right of the Content Browser outliner (*see image): If you are in Tile View you can drag an asset into a folder in the same viewport and successfully m ...