Roughness rendering differently on Macs

UE - Graphics Features - Oct 4, 2016

The roughness value for Macs renders differently (less rough or glossy) compared to Windows. It also seems to render as expected within the Material Editor preview window, but when applied to an obj ...

Migrating a blueprint based on a custom class breaks after migration

UE - Gameplay - Blueprint - Sep 21, 2015

When a blueprint that is based on a custom class is migrated from one project to another the references to the original class are held. This means that the blueprint is unusable in the new project, ...

A build may fail in Visual Studio if a space is added after the # in an include pre-processor instruction to allow a struct in one header file to reference a struct in the other

UE - Foundation - Core - Sep 23, 2016

A project building in Visual Studio will sometimes fail with the error Unrecognized type 'FBar' - type must be a UCLASS, USTRUCT or UENUM. This can occur in situations where one struct was reference ...

Texture issues with movie player active on Android

UE - Platform - Mobile - Sep 23, 2016

The media player isn't restoring the filtering mode after copying the movie source texture to the destination render target. This causes the cached state to be wrong, causing the incorrect filterin ...

Game Mode returns "None" when placed inside of a folder with parentheses in the name

Tools - Sep 8, 2016

Game Mode returns "None" when placed inside of a folder with parentheses in the name. After adding parentheses to the folder name containing the Game Mode, the game mode is then set to none if selec ...

Edit-> Project Settings -> Collision -> Presets Has No Scroll Bar

Tools - Sep 30, 2015

If you open a project and immediately go to Edit-> Project Settings -> Collision and expand the Presets dropdown, no scroll bar will appear. This prevents you from being able to see all of the optio ...

Source Control: Perforce Branch History is Parsed Incorrectly

Tools - Sep 26, 2016

Several issues have been reported within the ParseHistoryResults method from PerforceSourceControlOperations: 1. Any Records that share the same filename will only display the last record with that ...

Assigning a new Collision Channel to an already fractured Destructible will cause a crash

UE - Simulation - Physics - Destruction - Sep 6, 2016

The editor will crash when assigning a new collision channel to an already fractured destructible mesh. Tested in: 4.13 CL-3106830 4.14 Dev-Main CL-3109838 ...

Moving a component in the main viewport does not call PostEditComponentMove() function

Tools - May 18, 2016

When a non-root component for an actor is moved in the blueprint viewport, that component's PostEditComponentMove function is called. Adding the actor to the main editor viewport and then moving th ...

Crash when using STOP button to exit PIE when removing a widget from viewport via Event Destruct

UE - Editor - UI Systems - Sep 8, 2016

Editor crashes when removing a widget from the viewport via Event Destruct. This appears to happen when using the Stop button during PIE ...