Movable Point Lights Don't Cast Volumetric Shadows From Meshes Whose Materials Have Tesselation Enabled

Rendering - Sep 6, 2018

Point lights don't cast volumetric shadows from meshes with materials with tessellation, even if tessellation multiplier is 0.  Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4347190 ...

Directional Light Is Not Casting Shadows Past a Certain Point In Large Worlds On All Actors/Grass

Rendering - Sep 5, 2018

Directional light is not casting shadows past a certain point in large worlds on all actors/grass. In 4.19 CL# 4033788 shadows show up but not until the camera is very close to the object. 4.19 Pro ...

The results of Roughness=1.0 from a constant and from a parameter are different on 4.20.

Rendering - Sep 4, 2018

The results of Roughness=1.0 from a constant and from a parameter are different on 4.20. The static bool switch of the following material always returns 1.0. But the results are different.[Image Re ...

[CrashReport] UE4Editor_Engine!FStaticMeshSceneProxy::SetIndexSource() [staticmeshrender.cpp:679]

Rendering - Aug 31, 2018

No user comments in crash group 675 if ( bRequiresAdjacencyInformation ) 676 { 677 check( LODModel.bHasAdjacencyInfo ); 678 ***** OutElement.IndexBuffer = &LODModel ...

RotateVector Function Not Properly Rotating SkysphereTexture

Rendering - 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 ...

Cannot Parse a Custom Node as a Function Input to Another Custom Node In The Material Editor

Rendering - Aug 30, 2018

Cannot parse a Custom node as a function input to another Custom node in material editor. This is working as expected in 4.18 CL# 3832480. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# ...

Crash When Loading a SubLevel With HierarchicalInstancedStaticMeshComponent and SphereReflectionCapture via the Levels Window

Rendering - Aug 30, 2018

The editor crashes when loading a SubLevel with HierarchicalInstancedStaticMeshComponent and SphereReflectionCapture via the levels window. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# ...

Material editor: Custom node doesn't generate error in stats output

Rendering - Aug 22, 2018

In 4.20 custom code material nodes no longer output their errors to the stats window. ...

[CrashReport] UE4Editor_RenderCore!FPendingCleanupObjects::~FPendingCleanupObjects

Rendering - Aug 21, 2018

Comments from users in crash group:I tried to launch my project  1266 FPendingCleanupObjects::~FPendingCleanupObjects() 1267 { 1268 QUICK_SCOPE_CYCLE_COUNTER(STAT_FPendingClea ...

PreviosFrameSwitch Material Expression Does Not Work With Displacement.

Rendering - Aug 21, 2018

The PreviousFrameSwitch material expression works as expected only with world position offset, but not tessellated displacement. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4302610 ...