Unreal Engine Issues

Actors spawned by child actor components are selectable in the world outliner

The actor assigned to a child actor component should only have it's properties modified on the template, as the actor is spawned dynamically by the component. We used to enforce this by automaticall ...

Crash when debugging project offscreen

Running a project with the RenderOffscreen flag in the DebugGame configuration applied causes the debugger to crash. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6674923) ...

Sequencer doesn't update Light color track

Category drop down for actor components appears inconsistent

When creating an actor blueprint the default scene root's category setting provides the option to change its category and provides multiple options. However, if a new component it added, the drop do ...

Image Distortion when Rendering an Image Using Sequencer in DX12

Images are distorted when Rendering out a single image from a level sequence in DX12. Found in 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

Certain combined Linear/Angular movements cause Client to freeze for several seconds

When using Replicated Movement, certain combined linear/angular movements cause the client to freeze for several seconds and then catch up to the server. This is a regression from 4.21.2 (CL-4753647 ...

Niagara Crash After Adding More Than 20 Emitters to a System

The Editor will crash after adding more than 20 Emitters to a system. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

Deleting elements from TMap Struct in actor blueprint editor causes Crash

Deleting elements from TMap Struct in the Actor Blueprint Editor (specifically, deleting elements from them) causes Unreal to crash ...

Curve Editor in CameraAnim and Matinee does not display anything in UE4.22

The Curve Editor appears black and doesn't show any information or data. This is a regression from 4.21.2 (CL-4753647) where the Curve Editor functioned as expected. This was reported and tested in ...

Vive - Motion Controller Component - Low Latency Update Regression

Motion Controller component attachments lag behind parent. Not happening on Oculus Rift Workaround: Set "Disable Low Latency Update" on your Motion Controller Components to 'true'  User Sub ...