Double-Clicking a Camera in the World Outliner Changes Its Position

Tools - Sep 29, 2015

When you double-click on a camera in the world outliner to snap to its location, it instead moves the camera from its original position. Found in 4.9.1 binary. Could not reproduce in 4.8.3, this i ...

Wildcard Array in Macro Causes Error Message to Appear

UE - Gameplay - Blueprint - Nov 9, 2015

Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...

Upgrading Project to a New Engine Version Causes Errors When Attempting to Open Tutorial Blueprints

UE - Gameplay - Nov 11, 2015

When you create a project in version 4.8.3, and update it to either 4.10 or Main, there seem to be issues loading the Engine Content Tutorials for FeaturePacks, InstallingiTunesTutorial, and Setting ...

Garbage Collection Causing Noticeable Hitches

UE - Foundation - Core - Apr 11, 2016

Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...

Significant Performance Drop During Play While Behavior Tree is Open

UE - AI - May 18, 2016

Attempting to play in editor, standalone, or VR Preview when a behavior tree that is running is open will cause a significant performance decrease. The framerate drops from ~120 to ~80 fps while the ...

Using the Set console command to change a value at runtime causes a crash

UE - Gameplay - Dec 9, 2015

When using the Set command to change the value of a class at runtime, the game instance will crash with an access violation. Note: This needs to be done in Standalone or a packaged version for this ...

When button style is set to "box" and another widget is added to the via button click the button will lose style settings

UE - Editor - UI Systems - Apr 11, 2016

When a button's normal style is set to box and another widget is added to this buttons canvas panel when the button is clicked the button loses its image settings. ...

Camera appears to pan when moving your head in VR preview with Lock to HMD check true

UE - Platform - XR - Apr 18, 2016

Camera appears to pan when moving your head in VR preview with Lock to HMD check true ...

BTTask_MoveTo issues when AI already at goal location

UE - AI - Feb 25, 2015

Seems like the task node result is wrong if AI is already at location. If so then it's a pretty serious issue. Needs to be investigated. ...

Cannot manipulate morph targets unique to Slave Component through Master Component

OLD - Anim - Apr 1, 2016

Cannot manipulate morph targets that are unique to the Slave Component through the Master Component. So the situation here is that the Head(Master) does not have the "BeerBelly" morph target, but t ...