Dependent modules, compiled from editor, link to wrong versions

UE - Platform - Linux - Aug 2, 2019

The project consists of 2 modules, "ReloadBug" and "DependentModule." DependentModule has a one-way dependency on ReloadBug, and ReloadBug is the primary game module. On module load, DependentModule ...

Incorrect shadow on movable objects with ES3.1

UE - Platform - Mobile - Jan 10, 2020

While in ES 3.1 - lighting on movable meshes from static directional light appears to be rotated 90 degrees. The direction of light on movable mesh, both static mesh and skeletal mesh, doesn't match ...

Post Process Material: different color behavior in Sequencer Render vs Movie Render Queue

UE - Anim - Sequencer - May 21, 2020

During lookdev, I use a post process material to bring reference images into the engine to compare against my work.  The goal is for the reference image to not be touched by any of the Unreal color ...

Unreal 4.26 Crashes when playtesting with a groom in the scene

UE - Graphics Features - Jan 8, 2021

When you hit play with a groom in the scene, the engine crashes Additional notes: First tried adding it to a skeletal mesh through a character blueprint. Engine crashes. Engine doesn't crash if pla ...

Disabling World Partition causes all actors to be removed from level after save & reload

UE - World Creation - Worldbuilding Tools - World Partition - Mar 9, 2023

Crash using the 'Shot' Console Command after 'HighRes Shot 2'

Tools - Apr 7, 2015

A crash occurs when using the 'HighRes Shot 2' command, followed by the 'Shot' command. The user reporting the issue made a couple of notes to avoid the crash using these steps. He mentions the cra ...

Duplicating a blackboard node within a behavior tree will cause a crash

UE - AI - Jul 16, 2015

When using the shortcut Crtl+W to copy a blackboard node within a behavior tree the editor will crash ...

Time snapping interval is not updating the timeline in UMG Sequencer

UE - Anim - Sequencer - Jan 30, 2017

Changing the time snapping interval in UMG Sequencer doesn't seem to update the timeline. It appears to stay as though it is being snapped by time rather than frames. This is a Regression from 4.1 ...

Texture padded to Power of Two do not render on iOS

UE - Platform - Mobile - Feb 2, 2017

Textures that have been padded to Power of Two (using the Power of Two Mode in the Texture Editor) do not render on iOS. In the repro provided, QAGame has a mobile interface that uses 100x100 textu ...