Duplicating a level duplicates any Child Actor components of Blueprint Actors in the original level

UE - Gameplay - Aug 6, 2015

Duplicating a level duplicates any Child Actor components of Blueprint Actors in the original level. Reproduced in 4.8.3 binary and Main (//depot/UE4/Promotable-CL-2635815) ...

Linux Slate Dialogs tga files do not have an image icon

UE - Platform - Linux - Jan 8, 2016

TGA files do not have an image icon like the JPG files do in the Slate Dialogs in Linux. ...

Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()

UE - Gameplay - Blueprint - Jun 7, 2016

Having an actor blueprint (A) that contains an array variable of references to another actor (B) that is connected to a Length node and a Vector array that is connected to a ForEachLoop causes bluep ...

Keep Simulation Changes Not Saving Values After Physics Simulation

UE - Gameplay - Blueprint - Oct 1, 2015

Simulating your level and then attempting to use the Keep Simulation Changes option on an actor that has simulated physics gives the No Properties Copied error. Occurs in 4.9.2 binary and Main CL ...

NavMesh Not Updating When Collision is Manually Added to/Removed From a Static Mesh

UE - AI - Nov 9, 2015

When you add or remove collision manually, the NavMesh will not update, even after rebuilding paths. The only way to get the NavMesh to update when collision is changed manually is to restart the ed ...

Plane constraints are stuck even when constrain to plane is turned off

UE - Gameplay - Blueprint - Jul 1, 2015

Pawn Movements can be restricted to a specific plain, even if the planar constraints are turned off. ...

Capsule Collision component has incorrect physics collision when rotated

UE - Simulation - Physics - Jan 5, 2017

Capsule Collision component has incorrect physics collision when rotated. This only seems to happen when the Capsule Collision is a child of another component that is simulating physics. If the pare ...

Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control

UE - Graphics Features - Oct 11, 2018

Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

UE - Anim - Sequencer - Nov 27, 2018

Setting "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 ...

Instanced MovieSceneEventParameters does not save updated values upon level load

UE - Anim - Sequencer - Jun 24, 2019

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...