Crash When Setting a Bool in a Niagara Parameter Collection via Blueprint

UE - Niagara - Feb 26, 2019

The Editor will crash when setting a bool in a Niagara Parameter Collection via Blueprint. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5159901, 4.23 CL# 5194133 ...

SceneCapture2D output broken when used in VR

UE - Platform - XR - Feb 25, 2019

Scene Capture regression when used with VR. Confirmed in Main @ CL 5172170 Tested with Rift Flipped VR Preview window is a known/fixed issue ...

ENGINE_API missing from GeomSweepMulti and GeomOverlapMulti templates

UE - Simulation - Physics - Feb 25, 2019

GeomSweepMulti and GeomOverlapMulti are not being exported, as the template specializations are declared outside of the physics interface class without ENGINE_API. ...

FPS drop after highresshot console command

UE - Graphics Features - Feb 25, 2019

Running the highresshot command with a multiplier of 6 or higher results in poor performance for the remainder of the Editor instance. Closing the PIE window does not improve performance, only closi ...

Crash(Assert) CurrentGWorld != PlayWorld || bIsSimulatingInEditor

UE - Gameplay - Feb 25, 2019

Crash when attempting to return to Main Menu when playing Shootergame in a New Editor Window. Unable to upgrade+test Shootergame in 4.22+ due to deprecation of Possess() and other compile errors. ...

Crash When Changing to Landscape Paint Tool With a Material Function for the World Position Offset of the Landscape Material

UE - Graphics Features - Feb 25, 2019

Crash on switching to landscape/paint tab when using a landscape material that has a material function hooked onto the WorldPositionOffset. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL ...

Crash after deleting Editor Utility Widget and accessing it from Window menu

Tools - Feb 25, 2019

Crash after deleting Editor Utility Widget and accessing from Window menu ...

Preview Mode Button Does Not Have an Icon When Small Toolbar Icons is Enabled

UE - Platform - Mobile - Feb 25, 2019

Preview mode button is missing an icon with "Use Small Tool Bar Icons" enabled. Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 5172174  ...

Cannot move in Blueprint window on Breakpoint hit (only when 'use mouse as touch' is enabled)

UE - Editor - UI Systems - Slate - Feb 25, 2019

When triggering a breakpoint while Use Mouse for Touch is enabled the navigation functionality is lost within that Blueprint. ...

Oculus Avatar Plugin fails to package on Oculus Mobile

UE - Platform - XR - Feb 22, 2019

Does NOT occur in 4.23 MAIN @ CL 5035898 Deleting Engine\Plugins\Runtime\Oculus\OculusAvatar\Intermediate did not resolve error. Warnings that are also present in 4.21: LogShaderCompilers: Warnin ...