Particle Sprites Location jumps when Engine delta time stutters

UE - Graphics Features - Feb 11, 2015

Particle Sprites will jump forward in level when engine delta time stutters due to a instant pushed rendering queue. [Link Removed] ...

Trying to create a custom code class derived from ArrowComponent will result in the build failing in Visual Studio.

UE - Foundation - Core - Feb 11, 2015

Deriving a custom code class from UArrowComponent results in several link errors (LNK2001 and LNK2019) in Visual Studio when trying to build the project. ...

Character animations do not replicate when the character is attached to another actor

UE - Networking - Feb 10, 2015

Character animations do not replicate when the character is attached to another actor. Setting the other actor to Replicate and Replicates Movement does not seem to make any difference. Reproduced ...

Void Interface functions cannot be overridden in Blueprints

UE - Gameplay - Blueprint - Feb 10, 2015

A Blueprint Interface function that does not have an Output cannot be overridden in a Blueprint implementing that function. The function does not appear in the Interface section of the My Blueprint ...

Crash Occurs when pressing PIE after changing the Default Cursor in Project Settings

Tools - Feb 10, 2015

If a custom cursor is applied through Edit > Project Settings > User Interface Default Cursor and then the user attempts to launch their game the editor crashes. ...

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid

UE - Gameplay - Blueprint - Feb 7, 2015

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid. Reproduced in Main //depot/UE4/Promotable-CL-2434822 ...

Most variable types that do not reference a specific Actor in the level cannot have defaults set in Structs

UE - Gameplay - Blueprint - Feb 7, 2015

Most variable types that do not reference a specific Actor in the level cannot have defaults set in Structs. While this makes sense for Actor references, I don't see why a Struct couldn't reference ...

Crash on Mac while switching between tabs in the main tab bar

Tools - Feb 7, 2015

Crash while switching between tabs in the main tab bar. It's possible this occurs when one of the tabs is being dragged due to the mouse/trackpad still holding the tab after being released. Crash R ...

Viewport has graphical glitch while editing but not in PIE

Tools - Feb 6, 2015

User has a project that the viewport has gotten corrupted. The icons are now no longer camera facing and are facing in the positive y axis. The sun disc and sky are blurred. When PIE everything rend ...

If PIE is paused using the 'Pause key', the Pause or Resume buttons on the toolbar will no longer start PIE

Tools - Feb 5, 2015

If PIE is paused using the 'Pause key', the Pause or Resume buttons on the toolbar will no longer start PIE. You have to make sure that the icon is toggled to Pause, select the viewport, and then p ...