State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing

Anim - Aug 28, 2019

State Machine events "Left State Event" and "Fully Blended State" not firing when animation is sequence is playing at the moment you enter/leave the state. ...

Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

Rendering - Aug 27, 2019

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...

Dithered LOD Transition does not work on some mobile devices

Platform - Mobile - Aug 27, 2019

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...

Confusing message when attempting to connect mismatched Delegate pins

Gameplay - Blueprint Editor - Aug 26, 2019

When the user attempts to connect delegate pins that don't match, they received a confusing mouse tooltip message that simply reads "Delegate is not compatible with Delegate". Suggested fix: When ...

Blend Graph can trigger ensure Bone.IsRotationNormalized()

Anim - Aug 23, 2019

Using a custom Blend Graph can trigger the ensure Bone.IsRotationNormalized() when source pose is connected to output. ...

Foward Instanced Stereo Rendering draws decals differently between eyes in VR

Virtual Reality - Aug 22, 2019

When using the Desktop Forward Renderer and Instanced Stereo Rendering, draws static meshes with decal materials applied differently between eyes in VR. Tested on Oculus, probably not specific to O ...

Ray Traced Ambient Occlusion Uses Resources Even if AO Intensity is 0

Rendering - Ray Tracing - Aug 22, 2019

Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506 ...

InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights

Platform - Mobile - Aug 22, 2019

This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...

Issues with ProceduralMeshComponent

Tools - MeshEditing - Aug 21, 2019

Licensee reported issues with ProceduralMeshComponent, which were solved by changing the plugin loading phase from Default to PreDefault. Also reports unspecified issues with running game builds. ...

Crash When Building HLODs

Tools - HLOD - Aug 21, 2019

Building HLODs causes a crash. This only seems to occur in some levels as shown in the attached project. Found in 4.22 CL# 7053642, 4.23 CL# 7948402, 4.24 CL# 8124506 ...