#ifdef and #ifndef have no affect in header files

UE - Foundation - Core - Mar 17, 2016

#ifdef and #ifndef have no affect when used in the header file of a class. Ex: #ifndef MYMACRO UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Test) float ANumber; #endif ANumber v ...

A C++ project with the name, "GearVR", will not build

UE - Foundation - Core - Jul 28, 2015

A C++ project with the name, "GearVR", will not build. This does not occur with content-only projects named GearVR. In 4.7.6 and 4.8.2, it fails during Compiling and an error message appears: Runni ...

Pressed and Normal Padding appears to have no affect on buttons in UMG

UE - Editor - UI Systems - Aug 24, 2016

Pressed and Normal Padding appears to have no affect on buttons in UMG ...

Fix Up Redirectors does not affect redirectors within renamed folder

Tools - Sep 23, 2016

Fix Up Redirectors does not affect redirectors within renamed folder. ...

Foliage disappears When Using sg.EffectsQuality 1 on Standalone

UE - Graphics Features - Mar 21, 2018

Foliage disappears When Using sg.EffectsQuality 1 on Standalone. ...

Bloated instruction counts in the material editor causing long compiles

UE - Graphics Features - Apr 17, 2019

artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...

check(PIEInstanceID != -1) fails when executing SeamlessTravel

UE - Gameplay - Mar 2, 2017

Per https://udn.unrealengine.com/questions/349614/checkpieinstanceid-1-fails-when-executing-seamless.html ...

NavArea blueprints in Develops folders appear to have no affect

UE - AI - Nov 6, 2015

If the user creates two NavArea Blueprints (one in the content folder and the other in a developer folder) if one is inside of a developer folder then it will appear to have no affect when it comes ...

QAGame Crashes on launch on iphone 6 (iOS 8)

UE - Platform - Mobile - Jan 16, 2017

this crash was encountered during the mobile compat for 4.15. So far, just this device has been affected. ...

Server Travel from Map A to Map B then back to Map A will crash on exiting PIE

UE - Gameplay - Jul 10, 2015

Server Travel from Map A to Map B then back to Map A will crash on exiting PIE. Generates different call stacks between 4.8.1 and Main. Crash Reporter: 4.8.1: [Link Removed] Main: [Link Removed] ...