TPropertyValueIterator skips TMap values when KeyType is a UStruct

UE - Foundation - Core - May 7, 2018

From https://udn.unrealengine.com/questions/431271/tpropertyvalueiterator-skips-tmap-values-when-keyt.html The property value iterator has logic where it tries to iterate over all properties in a s ...

iPadPro2 Splash Screen distortion on app Launch

UE - Platform - Mobile - May 7, 2018

iPadPro2 splash screen distorted on app launch. Looks like there is a fix for this in FN branch that can be brought over. Engine/Source/Runtime/ApplicationCore/Private/IOS/IOSAppDelegate.cpp http ...

Custom iOS icons don't appear on device for Windows BP projects (Binary Build)

UE - Platform - Mobile - May 4, 2018

iOS icons have stopped working for Windows BP projects again; this does not occur on Mac. It also does not occur when using a source build from p4 (only on a binary build from the launcher). Note t ...

Particle Mesh Emitters Cause Heavy FPS Stutter

UE - Graphics Features - May 4, 2018

Per User: After updating my project from 4.18 to 4.19, I started getting huge FPS drops at regular intervals. I managed to trace back the issue to particle systems with mesh emitters and could repr ...

UMaterialBillboardComponent Memory Leak and Hitching (Unreal 4.19.2 + 4.19.1)

UE - Graphics Features - May 4, 2018

Creating an actor with a UMaterialBillboardComponent causes Editor hitching. ...

Memory Leak when Debugging Blueprint

UE - Rendering Architecture - RHI - May 2, 2018

RAM usage continually increases when debugger is active https://answers.unrealengine.com/questions/784443/ue-4191-memory-leak-while-using-blueprint-debugger.html ...

iPhonePackager.exe is not included when a local binary build of the Engine is created on a Mac

UE - Foundation - Build - Rocket (Installed Engine) - May 1, 2018

When a local binary build of the Engine is created on a Mac, the iPhonePackager is not copied over into the new local binary build. This prevents iOS certs and provisions from being imported into pr ...

Crash when calling an event with an enum reference parameter with literal

UE - Platform - Linux - May 1, 2018

The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...

Duplicating Interface functions causes the Input/Output values to duplicate twice

UE - Gameplay - Apr 27, 2018

When duplicating an Interface function, the values for Input/Output are doubled or tripled. ...