Array node input changes to pass by reference when editor is closed and re-opened

UE - Gameplay - Blueprint - Mar 23, 2015

Closing and re-opening the editor changes the input element on add array nodes to a pass by reference. Update: This also occurs on Set Array Elem node Item output. ...

When re-categorizing variables within a blueprint collapsed categories pop open

UE - Gameplay - Blueprint - Mar 23, 2015

If a user wants to change the category of a variable this will cause other categories that had previously been collapsed down for convenience to spring back open. This can make dragging and dropping ...

VR preview is grayed if the editor is started with the Oculus turned off

UE - Platform - XR - Mar 23, 2015

If the editor is started up and the Oculus is not turned on. The VR mode will be grayed out and unavailable until the editor is restarted with the oculus on. ...

Console Command 'ModifySoundClass' is Unrecognized

UE - Audio - Mar 23, 2015

When running a game in the editor and using the Command Console 'ModifySoundClass', the console returns saying the command is unrecognized. It is my understanding, that even if you do not create ne ...

Duplicate "ghost" widgets are created when wrapping multiple widgets with a vertical box (From the Hierarchy panel)

UE - Editor - UI Systems - Mar 23, 2015

If the user selects multiple widget within the hierarchy panel and then right clicks > Wrap with > Vertical box this will create an extra set of the widget that were selected. These widgets will hav ...

Splitting a struct in an Anim Blueprint does not work

OLD - Anim - Mar 23, 2015

In an Anim BP, splitting the transform structs of a Transform (Modify) Bone node causes the node to be come non functional. Transform components must be combined in order for the node to work. EX ...

APEX Destruction works in the Mobile Preview window

UE - Platform - Mobile - Mar 23, 2015

APEX destruction renders when using the Play > Mobile Preview. ...

Material Parameter Collections must be reassigned to access new parameters

UE - Gameplay - Blueprint - Mar 23, 2015

To access newly created parameters in a Material Parameter Collection via the Set Scalar Parameter Value or Set Vector Parameter Value nodes, you must reassign the Collection to the node. Also Repr ...

Random number generator has a higher probability of returning 0 than any other number

UE - Foundation - Core - Mar 22, 2015

I had a game that needed to generate hundreds of thousands of random numbers. (I was using the Blueprint "Random Float" node). There were a ton of 0.0 values generated, many more than any other n ...

Node pins should always align (to facilitate straight wire connections)

UE - Gameplay - Blueprint - Mar 20, 2015

Different node types are sized differently (nodes like: var getters/setters, function nodes, compact nodes, etc.). Pins should always be set at specific alignment intervals (from the node's top lef ...