Unreal Engine Issues
Unreal Engine Issues
Ambient Cubemap Assignment in Post Process Volume does not work with Forward Renderer
UE - Graphics Features - Nov 8, 2016The Ambient Cubemap assignment in a Post Process Volume doesn't work when using the Forward Renderer. I want to note that Cubemap assignment in the Skylight does work. I checked this just to make s ...
Crash when using Landscape when building lighting with commandlet
UE - Graphics Features - Jun 6, 2016When using the new Rebuild Lighting commandlet will cause a crash with any level that builds when it has a landscape in the scene. https://github.com/EpicGames/UnrealEngine/commit/f89256dd0efb7d0b ...
Child Actor Component Not Destroyed When Parent BP Is Replaced in Scene
UE - Gameplay - Blueprint - Oct 16, 2015Having an actor in the level with a child actor component, replacing it with another copy of itself, and deleting the copy results in a Child Actor remaining in the world outliner, which cannot be d ...
Instanced RepNotify variable doesn't update on client if altered in level
UE - Networking - Jul 8, 2019An instance editable Rep Notify variable will not update on Rep Notify if an instance of if is edited in a scene. A demonstration project can be found here: [Link Removed] Found in 4.22 CL#7053642 ...
Meta Quest - Visual Artifacting in right eye with Lumen enabled and effects quality set to High
TM - VR - May 9, 2025Reported in SF [Link Removed] On Meta Quest headsets, when Lumen is enabled for VR, setting the Effects Quality to High can cause visual artifacts to appear in reflections in the right eye of the h ...
SetOneWayInteraction functionality has no effect on the simulation
UE - Simulation - Physics - Nov 11, 2022Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...
Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected
UE - Anim - Sequencer - Nov 27, 2018Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...
Third Party Library Plugin won't load in packaged build
UE - Foundation - Cpp Tools - Jun 27, 2019Plugins created using the Third Party Library template won't load in a packaged build or the Launch button in the Editor Toolbar, but will if launched through the Project Launcher Window via the Edi ...
The node wires in this project's MyCharacter blueprint do not animate during PIE
UE - Gameplay - Blueprint - Mar 13, 2015The node wires in this project's MyCharacter blueprint do not animate during PIE. This also occurs with the NPC and AI Blueprints the first time you PIE, but the second time they animat as expected. ...
Skylights not Updating in Blueprint Viewport
UE - Graphics Features - Sep 26, 2016When modifying the properties of a Skylight actor as a component within Blueprints, the changes are not reflected in the Blueprint viewport. If you drag the blueprint into an empty scene and modify ...