Emissive for Static Lighting looks incorrect when using lower Static Lighting Level Scale

UE - Graphics Features - Jun 13, 2016

When using a lower value for Static Level Lighting Scale in the World Settings under Lightmass the blending of the area lights is not blended together for a smooth emissive look. Instead, there are ...

Input from a second gamepad is not detected until the game window is clicked with the mouse

UE - Gameplay - Input - Dec 12, 2014

In a packaged local multiplayer game, input from a second gamepad is not detected until the game window is clicked with the mouse. The first gamepad input is detected as expected. ...

Distance Fields do not work with Directional Lights when using a AMD Radeon card.

UE - Graphics Features - Aug 25, 2015

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...

HISMC always shows lowest LOD

UE - World Creation - Worldbuilding Tools - Foliage - Nov 22, 2016

User report: HISMCs are currently broken in master. They always show the lowest LOD available for a mesh, so if you have a HISMC with a tree mesh set, you would always see the billboard of the tree ...

Copy and paste State in the state machine do not correctly refresh synced objects when it have transition rule(fraction)

OLD - Anim - Apr 12, 2017

Copy and Paste action in State machine do not generate correct info for "AnimGraphNode_SequencePlayer_20" Name for "AnimGraphNode_SequencePlayer_#" in the duplicated state is not changed to corresp ...

Actor being moved via sequencer has inherited velocity that ignores play rate scale

UE - Anim - Sequencer - Nov 8, 2019

When an actor that can be stood on and jumped off of is moved in a sequencer it's inherited velocity doesn't scale with the Sequence play rate. If you jump in the opposite direction the cube is goin ...

GPU System will kill existing particles if activate is called after it has be deactivated

UE - Niagara - Oct 22, 2020

Deactivating and then reactivating the same GPU system will cause existing particles to die. ...

Runtime Virtual Texture primitives set to never render to main pass still cause occlusion queries

UE - Graphics Features - Mar 23, 2021

RVT only primitives are being pushed through the occlusion culling. It would be more efficient to not do that. ...

Pasting a component binding onto a Spawnable will not set up parenting correctly

UE - Anim - Sequencer - Aug 6, 2021

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...

Ensure condition failed: bPlayingBackwards ? (CurrentPosition <= PreviousPosition) : (CurrentPosition >= PreviousPosition)

UE - Anim - Sequencer - May 10, 2022

The problem is caused by the animation sequence playback position being set out of range from Sequencer. The call stack is :  UE4Editor-AnimGraphRuntime.dll!FAnimSequencerInstanceProxy::UpdateAnim ...