Cannot save actor after actor component modification, Graph is linked to private object(s) in an external package

UE - Gameplay - Blueprint - Sep 28, 2016

Cannot save actor after actor component modification. The user gets the error Graph is linked to private object(s) in an external package ...

Base Pass Instruction Count increases on Compile and Save, then resets upon reopening Material

UE - Graphics Features - Aug 24, 2015

Material Base Pass Instruction Count will change from a value established when plugging in components pre-compile to a higher value on post compile, but when the material is reopened the count rever ...

Local class variables do not correctly populate

UE - Gameplay - Blueprint - Dec 2, 2015

Local class type variables do not correctly populate with default value information. Variables of a class type populate with default value information normally. ...

Construct object fails to assign a value when using the level blueprint - ConstructObject node issue

UE - Gameplay - Blueprint Compiler - Feb 28, 2018

https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...

Compiler error on indirect blueprint component references when change is made to actorcomponent

UE - Gameplay - Components - Jul 10, 2015

When blueprints associated with the actorcomponent are open and changes are made to the actorcomponent, once it's compiled there are compiler errors on the indirect blueprints. ...

AND and OR nodes evaluate second argument even if it's unnecessary

UE - Gameplay - Blueprint - Oct 12, 2015

Using the AND and OR nodes in blueprints will evaluate the second argument even if the first is enough to pass/fail the condition. Using the AND node where the first argument evaluates to false sti ...

Expanding a folder in the Finder through the editor will crash the editor

UE - Platform - Apple - Mar 16, 2015

Expanding a folder in the Finder through the editor will crash the editor. Reproduced in 4.7.2 binary on 10.9.5 Crash Report: [Link Removed] ...

When using Drag and Drop UMG, Projects deployed to devices will crash once the UMG is touched and moved

UE - Editor - UI Systems - Dec 30, 2014

When using Drad and Drop UMG with iOS via the information provide in the forum thread, the project will crash on the device it is deployed to when dragging the UMG ...