Crash upon opening Windows 64 bit development build with only DX10 RHI enabled

When packaging with only support for DirectX10 RHI, the editor will crash after hitting "OK" on the window that mentions that the Global Shader Cache file is missing. This was encountered while run ...

Custom animation node in game module fails to load in -game or packaged project

OLD - Anim - Oct 29, 2015

Not sure if this is an Animation or a Core issue, but a runtime Anim Node will not load properly with "-game" or in a packaged build. The developer that made this sample read this blog post: [Link ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 6, 2018

Adding teleport node after AddMovementInput breaks jumping animation

UE - Gameplay - Jun 6, 2016

Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...

Get Hit Result Under Finger by Channel appears to return the wrong location on MAC during PIE

UE - Platform - Apple - May 11, 2018

The location give by the Get hit result under finger by channel appears to be affected by screen size on Mac. When clicking an area in the level, it does not always return the area under the finger ...

Custom Stencil/ Depth not working on GeometryCache actors

UE - Editor - Content Pipeline - Import and Export - Jul 10, 2018

When using a custom stencil on GeometryCache actors it does not work in editor or render pass. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4198240 ...

Player/Visibility Collision Doesn't Work with InstancedStaticMesh

UE - Simulation - Physics - Jul 24, 2018

Player/Visibility Collision doesn't work with InstancedStaticMesh or HierarchiInstancedStaticMesh components.  Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4221482 ...

Cube Render Target "Size X" Is Being Set as Y

UE - Graphics Features - Jul 30, 2018

The cube render target "Size X" is being set as Y.  Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4234136 ...

Volumetric Lightmap Holes Appear Every Fifth Build

UE - Graphics Features - Sep 11, 2018

Volumetric lightmap holes appear every fifth build.  Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...

Merged Instanced Static Meshes (Merge Actors tool) not visible when duplicated

UE - World Creation - Worldbuilding Tools - HLOD - Sep 19, 2018

Instanced Static Mesh Actors created with (new in 4.20) ISM Merge tool do not immediately appear when duplicated. Confirmed in 4.21 Main @ CL 4374913 ...