Pawn Blueprint cannot have variables default value set in Engine ini

UE - Gameplay - Blueprint - Jun 1, 2017

When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...

The target for the "Should be Loaded" variable appears to have change to "Level Streaming Kismet"

UE - Gameplay - Blueprint - Jun 21, 2018

The target for the "Should be Loaded" variable appears to have change to "Level Streaming Kismet". This means that it no longer works with the "Get streaming level" node and can cause errors when us ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

The vertex color becomes red when importing a static mesh without Color Set

Tools - Aug 28, 2018

It seemed to be white at 4.19, but it seems to be red at 4.20. I found out that there seems to be a cause for initialization of Mesh Attributes. As a result of fixing this, it is now displayed in wh ...

Gear VR Touchpad input broken

UE - Platform - XR - Jul 27, 2018

Gear VR Touchpad input no longer functioning in 4.20 Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs): LogOcInput: Get touchpad main with data 0.000000 0.000000 Also t ...

Scale with Width on Landscape Splines offsets plane mesh on Z axis

UE - LD & Modeling - Terrain - Landscape - Apr 22, 2015

If "Scale with Width" is set on a landscape spline with a plane mesh, the plane will offset on the Z axis. In most other cases, scaling along the z axis does not affect planes. ...

Custom Time Dilation has no effect on Player Camera Manager

UE - Anim - Sequencer - Jun 10, 2020

It seems like setting Custom Time Dilation on the Player Camera Manager does not affect the amount of time it takes to blend between cameras with Set View Target With Blend. ...

Metal SM5 shader code cannot be viewed in the Editor on Mac

UE - Platform - Mobile - Aug 24, 2018

The Metal SM5 shader code cannot be viewed in the Editor for a Material. Prior to 4.20, only HLSL Code could be viewed. In 4.20, a number of additional shader options were added, and they all work w ...

RotateVector Function Not Properly Rotating SkysphereTexture

UE - Graphics Features - Aug 31, 2018

RotateAroundAxis Inside the RotateVector expects a normalized vector as rotation axis input, and that vector is not normalized. Once normalized it seems to work normally. Unable to test in 4.19 due ...

Anchor text can be scaled via the scale box

UE - Editor - UI Systems - Mar 13, 2017

Anchor text can be scaled via the scale box. The scaling for the anchors of widget can be affect if placed in a scale box ...