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 ...

Path tracing gets harsh shading falloff if using area lights

UE - Graphics Features - Lumen - May 24, 2019

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. ...

Float values are changed slightly in blueprints

UE - Editor - UI Systems - Slate - May 23, 2019

Some float values appear to be slightly altered when they are input into a float field in blueprints. For example 2.6 will be changed to 2.599999. Regression: This did not appear to occur in the 4 ...

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 ...

Google VR - Pixel Density broken

UE - Platform - XR - May 23, 2019

PixelDensity not changing with Google VR Did not repro on Oculus Go Confirmed in MAIN 4.23 @ CL 6395234 ...

Keyboard IME input appears to be disabled for Web browser widget

Portal - May 23, 2019

When using the Web Browser Widget, IME is disabled and you can not input non roman characters (Japanese used for this test). ...

RenderDoc plugin crash exiting

UE - Rendering Architecture - RHI - May 23, 2019