Mobile VR Rendering Freeze with World Composition

UE - Platform - XR - Oct 17, 2018

Rendering freezes on Oculus mobile with World Composition. ...

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

UE - Graphics Features - Jun 18, 2015

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Framerate drops significantly when attempting to import heightmaps

UE - LD & Modeling - Terrain - Landscape - Sep 30, 2016

Framerate drops significantly when attempting to import heightmaps. Once the heightmap is imported this error is no longer prevalent, but during the preview there is a ~80-100 FPS drop. Regression ...

Crash in packaged game if Blueprint that contains an instanced subcomponent is nativized

UE - Gameplay - Blueprint - Jun 26, 2018

Attempting to load a nativized blueprint whose parent contains an instanced subcomponent causes the editor to crash in a packaged build. Regression?: Yes This did not occur in 4.18 ...

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint

UE - Gameplay - Blueprint - Aug 26, 2016

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint. The Struct appears to throw an error when making changes that are seemingly unrelat ...

Stationary Skylight intensity blown out

UE - Graphics Features - Nov 29, 2016

Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...

[Rhino Import]-[Rhino Blocks]-Block is not assigned to any nested layer after reimporting

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 24, 2018

The base color of a material in unlit mode changes when specular amount is above 0.0

UE - Graphics Features - Feb 24, 2020

Material's RGB base color values are changed in Unlit mode when specular is greater than 0.  User repro video:  [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...