Some features have not yet been supported when using AmbientCubemap as IBL

UE - Graphics Features - Mar 26, 2025

Translucent materials do not receive specular highlights and reflections from Ambient Cubemaps set in Post-Process settings. There is a pass"InjectTranslucencyLightingVolumeAmbientCubemap" that sho ...

When adding a MovieSceneObjectPropertyTrack and section via python, the new track is not initialized.

UE - Anim - Sequencer - Mar 28, 2025

When you add a track for an Object property via python, the track does not initialize properly and the widget on the track for choosing a new object does not populate typed. This is even after setti ...

LIVE: On MAC, Atmospheric Fog Preview Renders Incorrectly with Default Settings

UE - Platform - Apple - Nov 14, 2014

On a Mac, Following the tutorial located here: https://answers.unrealengine.com/questions/132223/macbook-pro-preview-rendering-issues.html When opening a new level, the atmospheric fog renders soli ...

Console window is locked when casting to the player controller

UE - Editor - UI Systems - Jul 13, 2015

User has reported that access to the console window is locked when using this setup. ...

Wind affects cloth in scene when there is no Wind Directional Source actor placed

UE - Simulation - Physics - Character - Jun 22, 2015

If a character with a cloth simulation or a mesh with a cloth simulation is in the scene there is wind force that is being applied to the cloth. The only way to remove this is by setting a Wind Dire ...

Reset Emitter button in blueprint emitter component has no effect

UE - Gameplay - Blueprint - May 21, 2015

After setting a particle system component inside blueprint, clicking the "Reset Emitter" button in the details panel does not have any effect on the particle system. ...

Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client

UE - AI - Dec 7, 2015

Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client. The Client cannot use the nav mesh. This is a regression: this did not occur in 4.9.2 (th ...

setting Simulate Physics and Set Actor Location And Rotation in code causes crash on project load

UE - Gameplay - Feb 19, 2015

If an actor's Simulate Physics and ActorLocation/Rotation properties are set in code the editor will crash immediately upon launch / debug in VS. ...

Setting Standalone Window Sizes within Editor Preferences not working as Expected

Tools - Feb 24, 2016

While testing the 'Shot' command for a user on the AnswerHub, I discovered the reason for the incorrect resolutions of his screenshots, was due to the fact the 'Standalone' window resolution set wit ...

CheckDefaultSubobjects() appears to not properly validate Blueprint Class instances

UE - Gameplay - Blueprint - May 17, 2016

It looks like maybe CheckDefaultSubobjectsInternal() isn't set up to handle non-native (i.e. Blueprint) class types? As well as AActor::CheckActorComponents() perhaps? ...