Global SkyAtmosphere and Clouds Issues (Cloud Shadows)

UE - Graphics Features - Dec 3, 2024

Sampling Cloud Shadows when rendering the Sky Atmosphere can incorrectly assume that the view is located at the planet's North Pole. This causes distortion in the shadows when using a sphere-shaped ...

nDisplay is not linking correctly the Camera Components inside the nDisplayConfig.uasset with display viewports when their Projection Policy is set to Camera. This issue appears when a packaged game is launched from the Switchboard as "Packaged Game".

UE - Virtual Production - nDisplay - Jan 27, 2025

When launching a packaged game from the nDisplay Switchboard, the nDisplayConfig file fails to link the cameras to the viewports. Inside the log generated by the Switchboard an error is displayed th ...

World Origin Shifting reacts differently on positive vs. negative axis movement

UE - World Creation - Worldbuilding Tools - World Composition - Sep 23, 2015

When moving along a positive axis using world origin shifting, the value of the axis will increase and the origin will shift until it reaches a maximum value of 2147483648.000, it will transport the ...

Native default subobjects nulled in child Blueprints on compile

UE - Gameplay - Blueprint Compiler - Oct 25, 2021

From reporting UDN: "We had a weird issue with new components added in C++ not being instanced properly on non-direct Blueprint children. It seems to happen if loading of the parent BP is deferred ...

r.VolumetricRenderTarget.PreferAsyncCompute producing different visuals

UE - Graphics Features - Aug 2, 2024

When the cvar "r.VolumetricRenderTarget.PreferAsyncCompute" is enabled, it will cause Volumetric Clouds to ignore the influence of Volumetric Fog. In high-fog environments, this can cause the clouds ...

Bug: Level Sequence OriginOverrideLocation not propagating to newly added nested ShotTracks

UE - Anim - Sequencer - May 14, 2025

Within a Level Sequence, it's possible to override the transform (OriginOverrideLocation) of a ShotTrack. This generally works as expected — all nested ShotTracks should inherit and apply the transf ...

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms

UE - Simulation - Physics - Jun 24, 2025

In AnimNode_RigidBody.cpp, PhysicsSimulation->CreateActor() is being passed World Space transforms, when it should be getting Local Simulation space transforms. The licensee has reported that FAnimN ...

When using Drag and Drop UMG, Projects deployed to devices will crash once the UMG is touched and moved

UE - Editor - UI Systems - Dec 30, 2014

When using Drad and Drop UMG with iOS via the information provide in the forum thread, the project will crash on the device it is deployed to when dragging the UMG ...

[CrashReport] UE4Editor_UnrealEd!UEditorEngine::FinishDestroy() [editorengine.cpp:857]

Tools - Mar 28, 2016

Error message: Assertion failed: PlayWorld == NULL [Link Removed] [Line: 854] Source Context:842 void UEditorEngine::BroadcastObjectReimported(UObject* InObject) 843 { 844 ...

[CrashReport] UE4Editor_PropertyEditor!FPropertyEditor::IsEditConditionMet() [propertyeditor.cpp:632]

Tools - Oct 27, 2017

This is a trending crash coming out of 4.18.0. The issue appears similar to [Link Removed], which was just fixed in 4.18. User DescriptionsProject was just imported from UE 4.17.2 , opened a bluep ...