Cannot undo actor transform performed during pilot mode

Tools - Oct 26, 2016

Cannot undo actor transform performed during pilot mode. The Undo history does not appear to include the movement of the actor that was done in pilot mode ...

AI Pawn Sensing component cannot see and hear at the same time

UE - AI - Mar 12, 2015

Hear events are never fired while See events are fired. They are mutually exclusive, with See events taking priority if both happen. ...

Material Previews Reflection skybox are broken in 4.12

UE - Graphics Features - May 3, 2016

Materials are rendering now in the preview pane with artifacts caused by the change in the reflection skybox. This can clearly be seen in 4.12 and later by enabling the reflections view in the previ ...

Android split screen multiplayer does not function or render correctly

UE - Platform - Mobile - Aug 25, 2016

Android devices don't support split screen functionality. ...

Material Shared Samplers do not honor Texture Quality console variables

UE - Graphics Features - Apr 28, 2016

When using shared samplers in the material do not adjust quality when adjusting the console variable or texture quality in Engine Scalability for SG.TextureQuality. Attached is an image for demons ...

Editor crashes if reopened and a row is selected after moving datatablerow editor window in a csv data table

Tools - Apr 24, 2015

If a user moves the row editor window in a csv datatable, then saves, closes, and reopens the editor, the editor will crash if the user then attempts to select a datatable row in the csv datatable w ...

Launch on for Win64 produces fatal error

UE - Foundation - Core - May 18, 2015

Creating a C++ project and then attempting launch on for Windows 64 causes a fatal error crash in 4.8 preview 2 binary from launcher. Project recovers from fatal error and can then package and run . ...

Releasing left mouse button is seen as click on dropdown menus

Tools - Mar 13, 2015

Drop-down selection menus will select on mouse release. This only occurs for options under "Current Asset". I was able to click a drop-down, then hold down the left mouse button and let go over "Cle ...

Next/Previous Widget Navigation still accept Tab/Shift+Tab navigation

UE - Editor - UI Systems - Jun 29, 2016

When the next/previous navigation settings of a widget are set to Stop, pressing Tab or Shift+Tab still result in the next/previous widget gaining focus. Note: In the attached project, all Navigati ...

Component hierarchy is reset for a Blueprint instance's newly added components if root is created in C++

UE - Gameplay - Blueprint - Feb 7, 2018

When a Blueprint is based off of a class that has its root component defined in C++, any components added to an individual instance of a blueprint reset their hierarchy so that they are always attac ...