Children of a Blueprint Class not Available in the Default Value Dropdown for a Variable of that Class

UE - Gameplay - Blueprint - Jan 5, 2016

Creating a blueprint class, and then creating a few children of that class ( in this case, 4) does not display them as available options when setting the default value of a variable of that blueprin ...

Mac Crashing on Editor Launch

UE - Graphics Features - Sep 24, 2015

User reporting he is crashing when launching the Editor "This is a 4.9.1 binary build (latest), I can't give you the exact version because it crashes on the initialisation stage at 0%. The system i ...

Editor crashes when attempting to open maps and modes subcategory after changing player pawn from migrated content folder location that gamemode is referencing

UE - Gameplay - Blueprint - Feb 6, 2015

The editor crashes when a user attempts to open the maps and modes subcategory of project setting while using a gamemode from migrated content, then moves the player pawn in the content browser to a ...

Crash in GameplayTag Editor Widget when editing array of tags on a component

UE - Gameplay - May 17, 2022

Editing an array of gameplay tags on a component belonging to an actor instance can lead to a crash. There are inconsistencies with how the Gameplay Tag Editor widget behaves:Array of gameplay tags ...

Engine crashes when building GPU Lightmass in large scenes

UE - Graphics Features - May 12, 2022

Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...

Crash: Changing Material Property Overrides of Material Instance

UE - Graphics Features - Dec 14, 2016

When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...

Setting a parent and child static mesh scale to negative effects the rotation on child movement

UE - Gameplay - Jun 1, 2016

Setting a parent and child static mesh scale to negative effects the rotation on child movement This is a regression. Worked in 4.11.2. User Description: We have a simple project example (see att ...

Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable

For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...

Mobile Preview dynamic shadows not showing on Mac

UE - Platform - Apple - Dec 19, 2014

When Using mobile preview in the 4.7 preview build, or in the changelist provided, Dyanmic lighting is not showing shadows when changed to movable. Following the steps below, you will see no shado ...

AI MoveTo Blueprint node will zero velocity on Pawn when called, causing a freeze if the Pawn is already moving

UE - AI - Oct 4, 2016

AI MoveTo Blueprint node will zero velocity, causing a stop when a new destination is set if the Pawn is currently moving. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.1 (CL 3142249) F ...