Landscape: When updating Physic Material on a landscape layer info object, the physic material is not propagated correctly

UE - LD & Modeling - Terrain - Landscape - Apr 4, 2019

This will result in not getting the Phys Material when doing collision query. Info from the UDN "Having stepped through the ULandscapeLayerInfoObject::PostEditChangeProperty I can see that the U ...

UE4Editor modules file is not written to properly when packaging a plugin

UE - Foundation - Cpp Tools - Plugin System - Apr 8, 2019

The modules file that is generated when packaging a plugin appends a number to the end of the .dll reference, similar to hot reload modules. This causes the reference to refer to a nonexistent file. ...

Assertion Failure: Cascade Particle !bPostTickComponentUpdate in same tick group as Cascade Particle system submission.

UE - Niagara - Apr 18, 2019

Attached Project:  [Link Removed] Since Upgrading project to 4.22, Licensee has been experiencing an Assertion crash in their built game. "I'm not exactly sure why it crashes. It's a very specific ...

FSoftObjectPath properties marked as both Config and Untracked are being tracked

UE - Foundation - Core - Apr 25, 2019

A licensee has found that marking an FSoftObjectPath property as Config and Untracked causes the untracking metadata to be ignored. This is because FSoftObjectPathThreadContext::GetSerializationOpt ...

Apple VoiceOver not compatible with UE

UE - Platform - Mobile - May 13, 2019

Support RHI texture readback for non 2D textures

UE - Rendering Architecture - RHI - May 22, 2019

Stationary Spot Lights in Forward Rendering Incorrectly with PerVertex NonDirectional Translucency

UE - Graphics Features - Jun 14, 2019

Stationary Spot Lights in Forward Rendering cause artifacts when lighting transluceny set to Volumetric PerVertex NonDirectional. When the camera is moved around the object, the lit vertices flicker ...

Instanced Static Mesh instance with negative scale has black lighting

UE - Graphics Features - Jun 11, 2019

[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...

Component deletion on net dormant actors doesn't replicate properly

UE - Networking - Jul 11, 2019

Deleting a dynamic component on an actor that's currently net dormant doesn't replicate the deletion to clients, even if FlushNetDormancy is called. This is inconsistent with adding components, whic ...

Certain combinations of 'bRenderStatic' and 'bNoSkeletonUpdate' on SkeletalMeshComponent produce undesirable behavior.

UE - Graphics Features - Aug 7, 2019

Issues observed:  - When bRenderStatic is on and bNoSkeletonUpdate is off, CachedMeshDrawCommands takes a significant chunk of time, because the scene primitive transform is being updated every fra ...