Show Volumes command does not work correctly if volume was converted from brush

UE - Gameplay - May 28, 2019

Debug display using "show volumes" does not work for volumes converted from brushes. The reason is that bHidden = true is done in the constructor of ABrush. So, we will probably need to run SetVi ...

Crash when the location of actor changes while executing SetAnimInstanceClass

OLD - Anim - May 27, 2019

This issue doesn't occur at 4.21. It seems in 4.22 only. Bone is broken in the second SetAnimInstanceClass. It seems CurrentReadComponentTransforms doesn't update. [Workaround] ・Wait using timer ...

Image Distortion when Rendering an Image Using Sequencer in DX12

UE - Graphics Features - May 25, 2019

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 ...

Compilation fails after binding an event to a server-only delegate property in the Blueprint editor.

UE - Gameplay - Blueprint Editor - May 24, 2019

Attempting to bind a custom event to a server-only delegate property currently fails to validate after compiling a Blueprint. ...

When the particle system manager is enabled particle system components will always tick in start physics

UE - Niagara - May 24, 2019

The particle manager only accounts for the particle system component's attach parent's EndTickGroup. When setting the tick group through the actor component the TickGroup is set instead of the EndTi ...

Niagara Crash After Adding More Than 20 Emitters to a System

UE - Niagara - May 24, 2019

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

UE - Editor - UI Systems - Slate - May 24, 2019

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

Crash when Deleting Variable from Blueprint Struct

UE - Gameplay - May 23, 2019

The Editor will crash when attempting to delete a variable from a Blueprint struct. This crash does not seem to happen if save the map with the actor in it. ...

Attached Actor's Scene Components reset to default class values when moved.

UE - Gameplay - May 23, 2019

When attaching a Blueprint CameraActor; who has a child Blueprint component(point light component) to another object in the scene. The Blueprint Actor's Components will reset to default class values ...