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

Physics - May 24, 2019

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

Rendering - 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

Gameplay - 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

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

Gameplay - Blueprint - 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.

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

Virtual Reality - May 23, 2019

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

Google VR - Debug/Console Layer broken if other VR plugins disabled.

Virtual Reality - May 23, 2019

If Google VR plugin is enabled and default VR plugins are disabled - debug layer does not render. Confirmed in 4.23 MAIN @ CL 6395234 ...

Crash When Trying to Find a Blueprint Class with Niagara Particles

Rendering - Niagara - May 22, 2019

Crash When Trying to Find a Blueprint Class with Niagara Particles Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

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

Tools - May 22, 2019

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 ...