Initializing custom Component on Actor in constructor causes odd hierarchy and details panel issues

UE - Gameplay - Blueprint - Feb 19, 2019

When testing with a simple setup, as follows: MySceneComponent has a UProperty(VisibleAnywhere, BlueprintReadOnly) of a USphereComponent pointer, initiated in the Constructor AMyActor has a UProper ...

WildCard Inputs/Outputs Propogate Incorrectly in Macros

UE - Gameplay - Dec 13, 2019

When a macro takes in a two Wildcard inputs and two Wildcard outputs connecting a variable to one assigns the value of all the outputs even if they don't connect (check attached image). You can see ...

Cannot Add Collision to an EQS Testing Pawn

UE - AI - Jan 6, 2016

Attempting to add collision to an EQSTestingPawn class is not possible, as the inherited capsule component seems to override any new collision. Simulating with the inherited capsule will cause the P ...

Attached Project Crashes Intermittently On FTickTaskLevel::ScheduleTickFunctionCooldowns()

UE - Gameplay - Apr 20, 2016

The user's project is crashing during PIE on FTickTaskLevel::ScheduleTickFunctionCooldowns(). Source Context: 798 else 799 { 800 CumulativeCooldown += ComparisonTickFuncti ...

Compiling Unreal Lightmass Fails When Using Visual Studio 2015 Update 2

UE - Foundation - Core - Apr 4, 2016

When attempting to compile Unreal Lightmass in the 4.11 source build, a compiler error pops up when using Visual Studio 2015 Update 2. Error Message: "d:\unrealengine-release\engine\source\program ...

Details View loss of expansion state on container changes

UE - Gameplay - Blueprint Editor - Aug 3, 2020

From the UDN post: When the new entry is added, the entire tree gets wiped out as a result of the CDO swap, and when these update methods run it leaves the tree in a default expansion state. (Effect ...

Find Session and Join Session to join a session over LAN on iOS is inconsistent and requires being run multiple times to work

UE - Networking - Aug 8, 2018

Attempting to use Find Session / Join Session to join a LAN session on iOS results in inconsistent results, requiring the client to press the join button multiple times to join properly. Currently ...

Some materials render black on Iphone 6 series phones

UE - Platform - Mobile - Oct 6, 2016

Some materials are not rendering on iphone 6 series devices. They will render completely black on one device but not others in the same series. Replacing the material with a basic material renders o ...

Cannot set array elements from an array that is contained within a struct

UE - Gameplay - Blueprint - Aug 26, 2015

Cannot set array elements from an array that is contained within a struct User Description: Setup: Array of structures "StructureA". In StructureA, array of integers/strings/whatever. Result: Can' ...

UMG widget callbacks do not set PIE context in editor

UE - Editor - UI Systems - May 21, 2018

This is from a UDN post. Several gameplay functions, such as level streaming and SoftObjectPtr resolution, depend on the GPlayInEditorID being set when that code is executed in PIE in the editor. T ...