GetTeamAttitudeTowards is called before AI Controller can spawn and gets a null value

UE - AI - May 6, 2019

Licensee is experiencing an issue where GetTeamAttitude is being called before the AI Controller's Construction event. This results in the warning "GetTeamAttitudeTowards - Pawn is null!" being outp ...

Clearing a search query in My Blueprints tab collapses all sections

UE - Gameplay - Blueprint Editor - May 6, 2019

After clearing a search query in the My Blueprint tab in the blueprint editor, all the sections will be collapsed even if they were expanded prior to searching. ...

Niagara particles are culled when opaque material blend mode added

UE - Niagara - May 6, 2019

Niagara particles are culled from far distances when materials with the Opaque Blend mode are applied to them. Tested in 4.21.2(CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6311794) ...

Deprecated: CharacterMovementComponent::bRequestedMoveUseAcceleration

UE - Gameplay - Player Movement - May 3, 2019

Licensee has brought into question the difference between NavMovementComp::bUseAccelerationForPaths Vs. CharacterMovementComponent::bRequestedMoveUseAcceleration. This led to a discussion in a Supp ...

Add Runtime Candidate Image does not produce a valid ARCandidate image on Android

UE - Platform - XR - May 3, 2019

Add Runtime Candidate image does not appear to create an AR Candidate image when being used on Android. ...

Niagara Components can unregister themselves in the process of component registration

UE - Niagara - May 1, 2019

Spawn system attached with a system where bAutorDestroy is true and one data interface is invalid will crash the engine. ...

Skeletal Meshes load unused textures into memory from hard referenced assets. (Skeleton, Physics Assets)

UE - Foundation - Core - UObject - May 1, 2019

Physics Assets & Skeletons referenced by the skeletal mesh will load materials & textures from their default skeletal meshes into the statistics window. Either the statistics window is incorrect abo ...

Gaps/holes can appear in LODs that were generated in the editor

UE - LD & Modeling - Modeling Tools - Mesh Editing - May 1, 2019

When generating LODs in the editor some meshes can appear to have tears/ holes ...

LongPackageNameToFilename: Improve error message

UE - Foundation - Core - Apr 29, 2019

A customer is requesting that the error message for FPackageName::LongPackageNameToFilename get improved. He suggests that we list the valid roots as part of the message. ...

Adding an LOD while in PIE or Simulate Cauases the Editor to Crash

UE - Niagara - Apr 29, 2019

If you add an LOD while the editor is simulating or playing, the Editor Crashes. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6063286 ...