Fatal error importing via Datasmith (memory allocation)

UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 17, 2019

Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...

Unused Foliage Type Causing Unbuilt Lighting

UE - World Creation - Worldbuilding Tools - Foliage - Feb 1, 2019

Foliage components will be unbuilt even after deleting all of the placed foliage in a level. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Datasmith & mikktspace tangent cause entities to glow with lightmaps

UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 22, 2019

The steps above are reduced to their simplest expression.  I appears that several customers complained about lightmap baking resulting in glowing objects.  This typically happens on interior door fr ...

Soft Object Pointers may not fire Rep Notifies

UE - Networking - May 3, 2019

User reported that Soft Object Pointers may not fire RepNotifies properly. This is likely also the case with Weak Object Pointers (and other similar wrappers). The main problem is that these all ge ...

Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled

UE - Niagara - Jul 11, 2019

Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...

Crash exiting play in vr preview with -Vulkan and Oculus Rift

UE - Platform - XR - Dec 22, 2017

Editor crashes after exiting a play in vr session with -Vulkan enabled Exclusive to Oculus Rift ...

Diffing Tool showing false positive when diff'ing identical blueprints using FText input pin

UE - Editor - UI Systems - Localization - Sep 17, 2019

When diffing the two blueprints, the FText values are deemed different when they are the same. A workaround has been found by doing a pure string-compare for FText inside "GraphDiffControl::ArePinsD ...

Reimport using reset material in the material conflict should rehook to existing matching material

UE - Editor - Content Pipeline - Import and Export - Jan 8, 2020

We currently cannot do this because the material import option are not save in the asset import data, so it search only in the local folder of the reimport mesh, those settings should be saved ...

[Feature Request] Allow include files to be added in custom nodes via separate entry

UE - Rendering Architecture - RHI - Jan 10, 2020

Suggested feature by a licensee and there have been a few use cases recently we've seen. [Link Removed] for vis ...

UMG Calibri font space between characters changes depending on the onscreen size of the textbox containing it

UE - Editor - UI Systems - Jan 14, 2020

Within a UMG Widget Blueprint. Calibri font space between characters changes depending on the onscreen size of the textbox widget containing it. ...