Foliage Lightmaps Are Incorrect When Using a Precomputed Lighting Scenario

UE - Graphics Features - Oct 2, 2018

Foliage lightmaps will not match properly to the lighting when using a lighting scenario. They will look normal if you select the Foliage tool but in PIE they will still be incorrect. Working as ex ...

Cinematic DOF Does Not Work With TemporalAA Upsampling Enabled

UE - Graphics Features - Oct 9, 2018

Cinematic DOF does not work correctly if TemporalAA Upsampling is enabled. Standard Circle DOF works as expected with Upsampling. However, enabling the New DOF Algorithm produces almost no blur when ...

Building UE4 solution fails in Test configuration

UE - Foundation - Core - Nov 15, 2018

Attempting to build the full UE4 solution for the Test configuration fails in 4.21. Most projects will build successfully, but a few will fail with various errors. Most of the errors appear to be re ...

Removing instances from HISM using Sequence node for execution in Construction Script behaves differently than ISM

Tools - Dec 17, 2018

When using the Construction Script to remove instances with the Get Instances Overlapping Sphere function to get the references, the behavior of this functionality is different for ISM and HISM if a ...

Static Lights with IES Profiles Will Bake an Incorrect Lightmap

UE - Graphics Features - Jan 3, 2019

When using an IES profile with a static light, the lightmap that gets baked will lose all detail of the IES profile. Example project attached. This doesn't occur in 4.19 CL# 4033788 Found in 4.20 ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

UE - Graphics Features - Jan 25, 2019

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Streaming Multiple Instances of the Same Landscape Actor All Have the Same GUID

UE - LD & Modeling - Terrain - Landscape - Apr 15, 2019

If a level contains a landscape actor, and if you stream multiple instances of that level into your map, you will get errors in the message log that the landscape actors have the same GUID. Found i ...

The Temporal console variable has the wrong value

UE - Graphics Features - Aug 20, 2019

The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...

Casade debug cone is drawn at the wrong rotation

UE - Niagara - Aug 21, 2019

The B 3DDraw Mode functionality draws at the wrong rotation for the Velocity Cone module. It seems to draw 90 degrees off. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P7 (CL - 8115 ...

The Perspective grid Z Fights with meshes placed in world (regression)

UE - Graphics Features - Jan 12, 2017

The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...