Mesh Decals render Flat when Combined with a Translucent Material Element on the same Mesh

UE - Graphics Features - Jan 11, 2017

A licensee is reporting an issue with mesh decals rendering incorrectly when created as a Material ID (Material Element) and assigning a translucent material to the shared mesh. The use case exampl ...

(global distance field not available in shadow pass) Lighting Artifacts Appear When Using Distance To Nearest Surface With World Position Offset

UE - Graphics Features - Jan 20, 2017

When using "distance to nearest surface" node with WPO there are cases where the engine will shade the object incorrect. The attached project reproduces one of these scenarios. It appears as though ...

Particle Parameter Won't Update If Used With EventReceiver Spawn

UE - Niagara - Jan 26, 2017

Particle Float Parameter for the EventReceiver Spawn doesn't update when accessed via blueprint it just retains whatever default value is assigned in cascade. I've confirmed other modules work as ex ...

"Multiple Values" in Body Setup when single bone has multiple bodies

Tools - Feb 3, 2017

"Multiple Values" in Body Setup when single bone has multiple bodies Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) ...

Fade track is not affected by "Restore State" flag

UE - Anim - Sequencer - Mar 24, 2017

Fade track is not affected by "Restore State" flag Regression: Sort of. Restore State wasn't available in 4.14, but the default behavior would leave the screen black Worked: 3249277 (4.14.3) Bro ...

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. ...

Material Parameter Collection parameters only return default values when drawn to a Render Target

UE - Graphics Features - Mar 27, 2019

Material Parameter Collection parameters only return default values when drawn to a Render Target This does NOT happen when drawing a material using a non-MPC parameter. To test this:Open Actor_BP ...

4.24 GitHub Build compile error - fatal error C1083: Cannot open include file: 'SketchUpAPI/geometry.h': No such file or directory

UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 10, 2019

12>e:\github\unrealengine\engine\source\programs\enterprise\datasmith\datasmithsketchupexporter\private\DatasmithSketchUpCamera.h(7): fatal error C1083: Cannot open include file: 'SketchUpAPI/geomet ...

GeometrycacheActor light channel issue

UE - Graphics Features - Apr 9, 2020

Unreal Architecture link in Unreal Terminology website doesn't work

Docs - Apr 13, 2022

Unreal Architecture web link doesn't work. A user cannot enter the website to see the terminology of the Unreal Architecture. ...