Niagara Parameter Reference Counts do not include Renderer bindings

UE - Niagara - Feb 3, 2021

Renderer bindings aren't being accounted for in a parameter's reference count. ...

Second controller input doesn't work setting client mode on PIE.

UE - Editor - UI Systems - Feb 3, 2021

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

Nanite meshes' selection outline is off with temporal upsampling

UE - Graphics Features - Nanite - Feb 2, 2021

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

UE - Audio - Submixes - Jan 21, 2021

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

UE - Platform - XR - Jan 19, 2021

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...

[Soundfield Submix][Crash] - Unreal Ambisonics Crashes on Packaged Game and in Standalone

UE - Audio - Submixes - Jan 11, 2021

Issue was reported by a user on the Unreal Engine forms. I tried to package the game with the other encoding options and this appears specific to using the Unreal Ambisonics option.  I have only co ...

Transform gizmo behaves incorrectly in the Blueprint editor viewport if multiple child components are selected and their parent component is rotated 90 degrees around Z.

UE - Gameplay - Blueprint Editor - Nov 12, 2020

When multiple child scene components are selected and their parent is rotated 90 degrees about Z, attempting to use the transform gizmo will move the components in the wrong direction relative to th ...

Landscape grass ignores the scale of the parent actors

UE - LD & Modeling - Terrain - Landscape - Nov 11, 2020

DrawScale = Landscape->GetRootComponent()->GetRelativeScale3D(); ↓ DrawScale = Landscape->GetActorScale3D(); Changing as above will solve the problem. Output log displays this warning: LogPhysic ...

RVT Material Preview incorrect in Landscape paint target layers

UE - LD & Modeling - Terrain - Landscape - Nov 5, 2020