Particle disappears if it is using PSA_Velocity and setting custom time dilation 0

UE - Graphics Features - Dec 7, 2016

A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...

Nativized Packaging Fails When Delegates Have Same Output Parameters

UE - Gameplay - Blueprint Runtime - Dec 12, 2016

Attempting to package a project using Nativize Blueprint Assets that contains delegates that have the same output parameters (such as binding an event to the OnCanvasRenderTargetUpdate event as show ...

Keyboard shortcuts are not responding in Persona

OLD - Anim - Jan 12, 2017

Some keyboard shortcuts are not working in Persona. Seems like the anything that is inputted under Animation in the keyboard shortcuts are not working as expected. The only shortcut that seemed to ...

Sphere Trace incorrectly reports actor's location

UE - Simulation - Physics - Mar 15, 2017

When a sphere trace extends from an actor, if the sphere radius is large enough and/or the actor is close enough to one of the actors hit by the sphere, the reported hit location will be the same as ...

Memory leak when repeatedly opening levels on Android

UE - Platform - Mobile - Mar 17, 2017

We tested on xiaomi 4c. ...

Add option to instance the subsequences from the master sequence

UE - Anim - Sequencer - Mar 24, 2017

https://udn.unrealengine.com/questions/353493/creating-subsequence-from-the-master-sequence-sett.html Add option to instance the subsequences from the master sequence. For example, if you want to c ...

Package fails to load due to EditorOnly data when launched onto Mac or Windows

UE - Foundation - Core - Jun 28, 2017

LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...

Code based FPostProcessSettings variables are not displayed properly in the editor

Tools - Sep 6, 2017

When a variable of FPostProcessSettings is created, the variable itself is missing in editor with the actual post process settings fully expanded instead. Additionally, the fully expanded settings ...

NaN is handled differently when clamped on Windows and Android/iOS

UE - Platform - Mobile - Oct 18, 2017

NaN (Not a Number) is handled different when clamped on Windows and Android/iOS. If you clamp a NaN (Acheived by -3 ^ 0.2 in the reproduction project) from 0.0 to 1.0 and then print the result, you' ...

Flat Tessellation broken on DX12 renderer

UE - Graphics Features - Feb 13, 2018

Behavior reproduced in 4.17.2 CL 3658906, 4.18.3 CL 3832480 and 4.19.P4 CL 3873914 To run the engine with DX12 I made a shortcut of the UE4Editor.exe found at D:\Epic Games\UE_4.18\Engine\Binaries\ ...