Loading Pak Files from Third Party into Project producing Texture Artifacts

UE - Foundation - Core - Cooker - Sep 2, 2016

Calling an object from the mounted pak file, textures on objects appear wrong, and the texture from the Engine defaults gets assigned. This happens with all objects on the screen including meshes, b ...

BlueprintReadWrite erros when using Make and Break Bone Driven Controller nodes

UE - Gameplay - Blueprint - Oct 28, 2016

BlueprintReadWrite erros when using Make and Break Bone Driven Controller nodes EDIT [[Link Removed]] (see comments): I think the solution should to only offer the make/break nodes for non-"Bluepr ...

Spawn Emitter Attached not working in Packaged Game

UE - Niagara - Apr 2, 2016

Spawn Emitter Attached not working in Packaged Game. Not sure if it isn't spawning the emitter or if it is spawning at the wrong location. ...

Crash when Deploying to iPad Air with BC4 Texture Compression Setting

UE - Platform - Mobile - Jun 7, 2016

App/project crashes when setting a texture's compression settings to BC4 and deploying to the iPad Air. As the user in the op states on AnswerHub, the problem seems to lie with specific texture com ...

Set mouse position node does not appear to work the first time it is called in stand alone

UE - Gameplay - Input - Nov 17, 2016

Set mouse position node does not appear to work the first time it is called in stand alone. The node has to be called twice before the correct position is set for the mouse ...

Editing static functions in Blueprint Function Libraries with hotreload can cause saving issues with blueprints calling them

UE - Gameplay - Blueprint - Sep 26, 2016

When editing a Static function from a Blueprint Function Library, any blueprints that have already had it added are unable to be saved. This can be worked around by removing the node and adding it a ...

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

UE - 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 ...

Passing array from blueprint to C++ causes performance drop

UE - Gameplay - Blueprint - Sep 8, 2015

Passing a blueprint array as an argument to a C++ function causes a spike in Frame rate, game and GPU. This spike is noticeable when using UnitGraph. Attached screenshots show difference in UnitGr ...

Children of a Blueprint Class not Available in the Default Value Dropdown for a Variable of that Class

UE - Gameplay - Blueprint - Jan 5, 2016

Creating a blueprint class, and then creating a few children of that class ( in this case, 4) does not display them as available options when setting the default value of a variable of that blueprin ...

Marking a Blueprint as Deprecated Causes Existing Instances to be Removed on Level Load

UE - Gameplay - Blueprint - Oct 13, 2016

Enabling the 'Deprecated' option in a blueprint's Class Settings causes all existing instances of it to be deleting upon loading any levels that contain the blueprint. Found in 4.13.1. Reproduced i ...