Sweep result from AddActorWorldOffset is inconsistent following direction when the actor is initially overlapped with other object.

UE - Simulation - Physics - May 19, 2017

Sweep result is not consistent when there is initial overlap but the x sign(+/-) is not same. I believe this issue is related to [Link Removed] So this leads to inconsistent behavior in the TwinSti ...

PostProcess for SceneCapture2D currently not working

UE - Graphics Features - Oct 29, 2014

Currently if you set a SceneCapture2D's "Capture Source" to "Final Color (LDR with PostProcess)", the result of the screen capture becomes just a black texture. If you set the SF_Tonemapper show fl ...

Make Timespan Node: Milliseconds to Seconds Conversion

UE - Foundation - Core - Jun 19, 2018

Make Timespan node returns unexpected conversion from milliseconds. With all other values 0 - values in the Milliseconds field over 2147 flip to negative and begin to decrement ...

Object Scale Material Node Returning Incorrect Information When Rotated to Certain Angles

UE - Graphics Features - Jul 17, 2018

When using the object scale node in a material it will return incorrect values if rotated to certain angles. Found in 4.19 CL# 4033788, 4.20 Preview 20 CL# 4173640, 4.21 CL# 4209927 ...

Thumbstick Values Resetting with Oculus Rift through SteamVR

UE - Platform - XR - Oct 11, 2018

Thumbstick values reset once max value is reached. Tested with Rift WMR Plugin off - Works normally Oculus Plugin off (Running through Steam VR) - Only X values reset. Confirmed in Packaged proj ...

Comments on Blueprint Interfaces can´t be moved/deleted

UE - Gameplay - Blueprint Editor - Apr 1, 2019

When a comment box is added in a Interface blueprint, it cannot be moved or deleted. ...

Blueprint Functions Aren't Listed in the Profiler Tool

UE - Foundation - Core - Sep 19, 2019

Blueprint functions aren't showing up in the Profiler Tool. Found in 4.23.0 CL#8386587 Reproduced in 4.24.0 Main CL#8781358 ...

Blank project do not show steamvr motion controller and is not working.

UE - Platform - XR - Dec 18, 2019

VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...

SpeedTree assets cannot be imported via Python automated import

UE - Editor - Content Pipeline - Import and Export - May 7, 2020

Licensee reports via UDN that automated import via Python of SpeedTree assets does not work The issue is that USpeedTreeImportFactory::FactoryCreateBinary() tries to generate a UI dialog, which is ...

The HISM will have double drawcalls when player opens r.Mobile.AllowDitheredLODTransition

UE - World Creation - Worldbuilding Tools - Foliage - Nov 2, 2020

Please check the Function GetDynamicMeshElements in HierarchicalInstancedStaticMesh.cpp. The  Function Traverse in GetDynamicMeshElements will always return two Lod levels, even the transition is f ...