Local binary build looks for code files using the original file path where it was first created

UE - Foundation - Core - Feb 14, 2018

A local binary build that is installed on a computer different from the one where it was originally created, with a different root directory location, attempting to go to the definition of a Bluepri ...

Unreal Header Tool can sometimes fail if an Engine plugin is Enabled By Default and has the "Program" Module Type set

UE - Foundation - Core - Feb 15, 2018

An Engine plugin with the Program module type and EnabledByDefault set to true can cause the Engine to fail to build successfully due to UHT failing. I was only able to reproduce this behavior using ...

Blueprinted class fails to instance private objects if the hosting subobject's class inherits an instanced variable

UE - Gameplay - Blueprint - Feb 21, 2018

Blueprints that contain an instanced private object that is nested under an instanced subobject and the defaults of that blueprint are set up using EditInLineNew, any instances of the blueprint will ...

OnRep functions not overrideable in child BPs

UE - Gameplay - Blueprint Editor - Feb 27, 2018

The function that is Auto-Generated when creating RepNotify Variables is not overrideable in child blueprints. (Potentially involved with the inability to add inputs/outputs to OnRep_ functions) ...

Instanced Static Meshes changes Instance Transform while updating

UE - Graphics Features - Mar 7, 2018

There appears to be a loss in precision when moving instanced static mesh components. Quote from licensee: "...the ISM/HISM Components: In various cases UInstancedStaticMeshComponent::UpdateInsta ...

UHT fails when building in VS if a function tries to return a UEnum pointer

UE - Foundation - Cpp Tools - UnrealHeaderTool - Mar 7, 2018

UHT will fail during build in Visual Studio if a function tries to return a UEnum pointer. Adding a valid keyword before the return type will compile successfully. ...

Xcode does not appear to search Library/Frameworks for a framework file that is included in a project

UE - Platform - Apple - Mar 9, 2018

Trying to build a project after including a header file from a framework located in `Library/Frameworks` fails because the file cannot be found. It looks like `Library/Frameworks` is not searched ev ...

Aperture Value in Lens category of CineCamera has no effect

UE - Graphics Features - Mar 15, 2018

Aperture Value in Lens category has no effect ...

Editor Freeze-Crash if Possessing Pawn with AI controller

UE - Gameplay - Mar 19, 2018

When trying to possess an already existing, uncontrolled character with an AI controller on server (from actor component) while in multiplayer mode, the editor keeps freezing until destroyed with t ...

Performance problems (freeze) in SCS tree view with a significantly large number of components

UE - Gameplay - Components - Mar 9, 2018

User reports an unreasonably long editor freeze when a significantly large number of components need to be processed in the SCS editor tree view (tens of thousands) when selecting an instance of a B ...