Local Variable loses value after reference moves file location

UE - Gameplay - Blueprint - May 23, 2017

Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...

Merge Actor Tool missing option to deselect Export Specific LOD

UE - World Creation - Worldbuilding Tools - HLOD - Jul 12, 2016

In the new non-experimental version of the Merge Actors tool there is no option to disable "Export Specific LOD". In 4.11 when this was disabled it would merge the actors with their respective LODs ...

Masked Materials have become more expensive to use

UE - Graphics Features - Aug 18, 2016

Masked Materials have become more expensive in 4.13 and internal builds than in 4.12. Images attached for demonstration along with test map using the bush prop from starter content. Tested with ...

Disabling Use Localized Graph Editor Nodes and Pins causes split struct pin names to disappear when compiling

UE - Editor - UI Systems - Localization - Oct 19, 2016

If the Use Localized Graph Editor Nodes and Pins option is disabled, compiling a blueprint will cause the pin names from any split struct pins to disappear. Regression?: Yes This occurs in 4.13.1 ( ...

Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash

UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016

Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...

[CrashReport] UE4Editor_Kismet!FBlueprintGlobalOptionsDetails::CanDeprecateBlueprint() [blueprintdetailscustomization.cpp:5127]

UE - Gameplay - Blueprint Editor - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16, affecting over 200 unique users so far. User Descriptionsattempt to import bp from example Source Context 5124 { 5125 // I ...

IOS 11 Freezes When Generating Particles Using SphereMask

UE - Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

Skeletal mesh always registers as Dynamic when testing collision

UE - Gameplay - Oct 26, 2016

Skeletal meshes do not respect collision changes from World Dynamic, always returns as Dynamic. Regression (no) issue (does) occur in 4.12.5 ...

Merge Actor tool can no longer merge just materials for an actor

UE - Gameplay - Jul 5, 2016

In 4.11 when you selected an actor with multiple material elements with the merge actors tool open you had the option to merge the material elements into a single one. This option is no longer valid ...

Translucent Dbuffer Decals not Rendering in Material Editor Preview Window

UE - Rendering Architecture - Materials - Sep 30, 2016

Dbuffer decals with a Translucent Blend Mode are not rendering in the preview window of the Material Editor. Note I noticed the Default Blend Mode for Dbuffer Decals is set to Translucent now inste ...