20 FPS performance drop between 4.7.6 and 4.8 on devices rendering Metal only

UE - Platform - Mobile - Jun 22, 2015

User reported a considerable performance drop on iOS between versions 4.7.6 and 4.8. I was able to reproduce this perf drop using the steps he provided. ...

3D widgets for Vectors now scale along with the root component of the actor that they are apart of

UE - Gameplay - Blueprint - Jun 15, 2015

The 3DWidget that is used to represent a vectors position in 3D space now scales when scaling the actor that it is attached to. This could lead to having a vector that is too small to see/ hard to f ...

Convert Actor option is grayed out and not selectable. (ConversionRoot metadata not found)

UE - Foundation - Core - Jun 4, 2015

The 'Convert Actor' option in the details tab of brushes does not function. The option is grayed out and not selectable. Note for Core: This button works by looking for the ConversionRoot UCLASS m ...

FXmlFile asserts on valid empty XML documents

Tools - May 5, 2016

Code asserts because it assumes that a self closing node is within another node or has another node left in the doc to parse ...

CheckDefaultSubobjects() appears to not properly validate Blueprint Class instances

UE - Gameplay - Blueprint - May 17, 2016

It looks like maybe CheckDefaultSubobjectsInternal() isn't set up to handle non-native (i.e. Blueprint) class types? As well as AActor::CheckActorComponents() perhaps? ...

Crash on aborting main task of behavior tree's parallel node

UE - AI - Jun 12, 2015

It seems that we're getting an intermittent crash when killing a pawn that's executing a parallel node. It's crashing in BehaviourTree.cpp on this code: UpdateInstance.ParallelTasks[ParallelTaskId ...

Crash when Scrubbing Matinee Slider with Sound Wave using Subtitles

Tools - Jun 11, 2015

A crash occurs when scrubbing the matinee slider with a 'Sound Wave' that has 'Subtitles' enabled. You need to enable 'Subtitles' within the settings of the asset. Tested issue in 4.7.6 and did no ...

DynamicModifiersOnly navmesh generation mode doesn't work

UE - AI - Jun 22, 2015

When project is set up for Dynamic Modifiers Only navmesh generation the pathfinding simply doesn't work (due to missing navmesh). It does get generated properly in the editor, but is no longer ther ...

Most GameMode classes cannot be set in Blueprints

UE - Gameplay - Jun 14, 2015

Most GameMode classes cannot be set in Blueprints. Only Set Default Pawn Class and Set HUD Class have Setters available in Blueprints (the Getters are all still available). Reproduced in 4.8.0 and ...

Multiplayer shootout does not exit correctly and gets hung on a black screen

UE - Networking - Jun 12, 2015

When trying to quit out of multiplayer shootout the screen just goes black and does not close ...