Niagara Sample Static Mesh. Source Not Working

UE - Niagara - Jul 7, 2019

Static meshes are not rendered as particles when using the Static mesh module in Niagara and setting its source to a static mesh in the scene. Tested in 4.21.2 (CL -  4753647), 4.22 (CL - 7053647), ...

Crash when using VR Mode with Extra Viewports and a Camera Actor

UE - Editor - Workflow Systems - Jul 6, 2019

From User: "Normally UE4 has an "Eject" button which is great for live-debugging your app, because you can see everything that's happening in your world, and see the World Outliner in realtime whil ...

Unnativized BP function fails to return a valid reference to a component when the calling BP is nativized

UE - Gameplay - Jul 5, 2019

The nativized spawner receives an invalid reference from the non nativized actor and fails silently meaning the variable doesn't get set. Additional info: This issue happens when using a pure and n ...

Unable to create derived classes of UPostProcessComponent

UE - Graphics Features - Jul 5, 2019

Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...

Motion Blur Applied Incorrectly in Ortho SceneCapture2D

UE - Graphics Features - Jul 5, 2019

Motion Blur is applied incorrectly in a SceneCapture2D set to orthographic perspective. Works as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 CL# 7208101, and 4.24 CL# 7223946 Thi ...

Set Skeletal Mesh does not replicate or multicast to Clients

UE - Networking - Jul 5, 2019

The Set Skeletal Mesh function does not replicate or multicast to other Clients. In Setup A (Level Blueprint) only the Sever Character is changed on either the Client or Server. In Setup B (ThirdPer ...

Crash when changing the AnimNotifyState property after moving the AnimNotifyState range added to AnimMotage

OLD - Anim - Jul 5, 2019

NotifyStateClass may be nullptr when AnimNotifyState and AnimNotify swap occur in NotifyTrack. Workaround: SAnimNotifyPanel.cpp void SAnimNotifyPanel::OnPropertyChanged(UObject* ChangedObject ...

Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories

UE - Foundation - Core - Jul 3, 2019

The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...

Orbit Selected actor feature is offset after panning

Tools - Jul 3, 2019

After panning the camera the orbit feature will become offset and can lead to the object no longer being in view while orbiting. ...

Editor Crashes when Isolating a Material Element on Skeletal Meshes with Ray Tracing Enabled

UE - Graphics Features - Lumen - Jul 3, 2019

With ray tracing turned on, clicking on the isolate material option next to a material slot on a skeletal mesh with more than one material slot, causes the editor to crash. Found in 4.22 CL# 7053647 ...