VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)

UE - Platform - XR - Feb 9, 2018

Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...

Curve Editor help documentation opens up to a 404 error page

Docs - Mar 14, 2018

When selecting the Help documentation for the curve editor, it brings up a 404 error page rather than the actual curve editor documentation page.  ...

Navmesh generation doesn't work with Retopologize tool

UE - AI - May 15, 2018

When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...

When changing a variable of a component in an attached Actor, the variable becomes read-only

UE - Gameplay - Aug 1, 2018

Changing a variable of a component with an instance of BP derived from StaticMeshActor or SkeletalMeshActor attached to another actor will cause that variable to be read-only. It did not reproduce w ...

UDistributionFloat member resets to null upon Blueprint Compile

UE - Gameplay - May 14, 2019

A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...

Cloth Simulation Doesn't Work When Clothing Data Is Applied Before Being Painted

UE - Simulation - Physics - Character - Jan 17, 2020

When clothing data is applied before painting the influence on the section the cloth doesn't simulate. I tested this using the Paragion: Twinblast actionhero skeletal mesh asset. Found in 4.24.1 C ...

Skybox Textures Have a Seam When Using a Cube With Inverted Normals

UE - Graphics Features - Feb 14, 2020

Skybox textures can have a seam when using an inverted cube for a sky. Attached is an example 4.24.2 project. Note: One of the attached seam screenshots is hard to see unless you expand it. Found ...

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 ...

Light rendering becomes broken when at a distance of ~1000000 from origin

UE - Graphics Features - Oct 7, 2020

Tested at X=20,000 with no issue Tested at X=500,000 with no issue Tested at X=1,000,000 issue occurs NOT A REGRESSION ...