Virtual joysticks is not properly working when running multiple clients in PIE

UE - Editor - UI Systems - Slate - Nov 21, 2017

When running multiple clients in PIE, It looks like first created viewport client handles every input event. I tried to narrow down the causes and found that it's because SlateApplication knows jus ...

Nativization of Blueprint Subclass of PlayerStart fails

UE - Gameplay - Feb 23, 2018

Fail to package with nativization. cannot convert from 'USceneComponent *' to 'UBillboardComponent ...

Merging negative-scaled actors breaks materials

UE - World Creation - Worldbuilding Tools - HLOD - Mar 27, 2018

Materials are broken when merging a mesh with another that has negative scale Licencee states that bisMirrored in FMeshMergeHelpers::TransformRawMeshVertexData seems to be involved. Does not occur ...

Android + Bluetooth Mouse: Hover events and Get Mouse Position on Viewport not working

UE - Platform - Mobile - Jul 11, 2018

No hover events firing when using a bluetooth mouse on android. Tested with 4.20p5 CL# 4173645 4.21 CL# 4179794 ...

Blutility context menu popup shows all pins inside function

OLD - Anim - Jul 23, 2018

ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...

Crash when naming function parameter 'none'

UE - Gameplay - Blueprint - Aug 23, 2018

Naming a parameter "none" will cause crash on compile. Asset may not be able to be reopened. Also confirmed in Main CL 4309299 ...

Vehicle Game - Input Interference when Controller Plugged in

UE - Gameplay - Input - Nov 2, 2018

GenericUSBController Axis values interfering with input when Xbox Controller is active. (Generic Inputs were added for Switch Support) ...

CSM has artifacts if shadow distance less than 2000

UE - Graphics Features - Jun 12, 2019

Game Crash when switching to full screen in Game with Sumsung Odyssey HMD device connected

UE - Platform - XR - Nov 26, 2019

crash log from lincesee: [2019.11.11-10.34.30:123][228]LogOutputDevice: Warning: Script Stack (0 frames): [2019.11.11-10.34.30:123][228]LogWindows: Windows GetLastError: 操作成功完成。 (0) [2019.11.11-1 ...

Changes to local project settings (Project/Saved) are not propagated to the default ini file upon using "Set As Default" if that file is currently checked-in/read-only

Tools - Aug 20, 2020

Changes to local project settings (Project/Saved) are not propagated to the default ini file upon using "Set As Default" if that file is currently checked-in/read-only. ...