Static Mesh LOD Generation Produces Bad Shading and Holes in Mesh

UE - Graphics Features - Feb 19, 2019

Auto generated LODs create a mesh with holes and geometry that creates incorrect shading. Working as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 5064136 This is ...

Crash When Adding a Second Vector Parameter to Material Parameter Collection

UE - Graphics Features - Feb 21, 2019

The Editor will crash if you add more than one vector parameter to a Material Parameter Collection.  This works as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 506 ...

Disabling DBuffer Decals causes Decals not to render

UE - Graphics Features - Mar 8, 2019

Disabling the Decal DBuffer in the  Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...

Incorrect data type in FDumpFPSChartToEndpoint::DumpChart()

UE - Foundation - Core - Jul 11, 2019

The TotalTime variable in the FDumpFPSChartToEndpoint::DumpChart() function has recently been changed to int32 when it should be double. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 ...

Static Mesh flicker in Player Collision Viewmode

UE - Graphics Features - Aug 8, 2019

All UCX_geometry that have bounds larger than its geometry flicker when in Player Collision Viewmode. Tested in: 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P5(CL - 7838574), 4.24 (CL - 786 ...

Viewport Renders Black when adding a Third Player using Splitscreen Multiplayer

UE - Graphics Features - Feb 24, 2016

As the title suggests, whenever you attempt to add a third player using splitscreen, whenever the third player is created the viewport renders black. This only occurs when the viewport is sized to a ...

Wildcard Array in Macro Causes Error Message to Appear

UE - Gameplay - Blueprint - Nov 9, 2015

Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...

Input not recognized from 'Any Key' when set as an Action Mappings Binding

UE - Gameplay - Jul 12, 2018

The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...

Incorrect box collision on negatively scaled mesh

UE - Simulation - Physics - Jul 23, 2018

If you have a mesh with a rotated box in its simple collision primitives, that box won't be in the correct position if you scale the mesh by -1. This issue was reported in 4.20 (CL-4212847) and rep ...

Curl Noise Force Not Applying to Niagara Emitter

UE - Niagara - Jul 30, 2018

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...