Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted

Gameplay - Blueprint Editor - Sep 20, 2017

When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...

Variables in Child Actor Template not Updating from Construction Script

Gameplay - Blueprint - Sep 18, 2017

Project showing the issue attached. Variables in child actor template not updating based on changes made in child actor's construction script. Per licensee, "I'm basically trying to make a child a ...

Unable to summon Preview Scene Settings from Viewport menu

AnimPhys - Sep 15, 2017

REGRESSION: Yes, does not occur in 4.17.2 User is not able to summon Preview Scene Settings from the Viewport Menu. Still works if the user selects it from the Window > Preview Scene Settings opti ...

MSAA breaks post process material comparing Scene / Custom Depth

Rendering - Sep 15, 2017

The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...

Crash sorting array elements in Project Settings

Tools - Sep 15, 2017

Crash occurs when the user sorts array elements in the Project Settings. This seems to occur with any arrays in the Project Settings, but I haven't been able to reproduce the crash outside of them. ...

Ensure undoing pin split - Found K2Node_CallFunction_429 ('K2Node_CallFunction') that does not belong to EventGraph.

Gameplay - Blueprint Editor - Sep 15, 2017

REGRESSION: Yes, does not occur in 4.17.2 Ensure occurs when undoing the splitting of a pin. ...

Adding Text Widget BP as "Widget Class" in Actor Class BP and compiling multiple times, changes Text visibility in Viewport

Tools - Sep 15, 2017

Adding a new Text Widget Blueprint as a Widget Class to a new Actor Class Blueprint changes the visibility of the Text in the Viewport when compiling the Widget Blueprint multiple times. Regressio ...

Crash after adding an AI Perception component to a parent and child character

Gameplay - Sep 14, 2017

Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...

Cannot paste text into Text Box in HTML5 build

Mobile - Sep 14, 2017

With HTML 5 Packages you cannot use the windows clipboard to paste things into the text box. This issue does not occur with other builds of the project. This issue does not appear to be a regression ...

Editor Crashes on Opening After Deriving C++ Class from Another Class

Core - Hot Reload - Sep 13, 2017

After deriving a C++ class from another class and then closing the editor, the project will crash when reopened. This crash will continue until the project files are regenerated and the project is r ...