Reset Instance Changes to Blueprint Default does not revert changes made to instances

Gameplay - Blueprint - Sep 15, 2015

creating an instance of a blueprint and making changes to the instance will not respect "Reset Instance Changes to Blueprint Default" when pressed from Details Pane. ...

Component is not compatible error on project restart

Gameplay - Blueprint - Aug 30, 2016

Component is not compatible error on project restart User Description: I try to find a static mesh component in an array from the "hit component" and it compiles and works perfectly fine with abso ...

Setting Paper Sprite Component from within another component causes sprite asset reference to be lost on associated blueprint compile (nested components issue)

Gameplay - Blueprint - Sep 8, 2016

If a UPaperSpriteComponent is declared in a Scene Component class and the Scene Component is added as a component to a Pawn class, creating a blueprint of the Pawn and setting the Paper Sprite caus ...

Undoing In Blueprint Editor Clears Component Selection

Gameplay - Blueprint - Apr 25, 2016

When editing a value in the details panel of a component, if you attempt to undo the changes, the component is no longer selected. The value gets undone as expected, but it is unexpected that the co ...

GetSubPaths does not return any paths when used in Standalone

Tools - Jan 30, 2017

Using the GetSubPaths command in Standalone does not return any paths. From the answerhub user's research, it seems that CachedPathTree in AssetRegistry.cpp is not being initialized like it is in ei ...

When alt dragging a skeletal mesh with another actor attached to a socket the relative position of the actor will be set to 0,0,0

Tools - Oct 5, 2016

When alt dragging a skeletal mesh with another actor attached to a socket the relative position of the attached actor will be set to 0,0,0. The relative offset for the copied attached actor appears ...

Mouse control is not obtained when clicking on a game's title bar from another app

Tools - Jan 18, 2017

A licensee has reported that gaining focus of a UE4 game window by clicking the window's title bar results in the game only receiving keyboard input and no mouse input until you also click in the ga ...

DOF effect set with negative near transition region causes Massive FPS loss moving into Focal Region

Rendering - Feb 11, 2016

With a Bokeh DOF setup that essentially places the Near Transition Region into a Negative Space (or non-existence) the FPS drops dramatically from out of focus region to in focus region. In Focal R ...

Large blueprint memory leak in project

Gameplay - Blueprint - Jan 6, 2015

Attached project exposes memory leak in editor. Cause is not known but increases memory very quickly when running PIE. The amount of memory used does not return to normal after closing PIE and each ...

Re-importing JSON File Causes a Blank Editor Window Until the Asset is Reopened

Tools - Import - Jul 11, 2016

Re-importing a JSON file causes the asset window to be cleared out until the file is reopened in the editor. ...