Engine build fails due to Unresolved External Symbol error after adding a new global variable to the Engine and then trying to reference it within Engine code

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 7, 2018

Building the Engine in Visual Studio will fail due to an unresolved external symbol error if a new global variable is added to CoreGlobals.h and then referenced elsewhere in the Engine code. The bui ...

Spawnables in Level Sequence Cause Sequence to Dirty

UE - Anim - Sequencer - Feb 7, 2018

When a sequence contains a spawnable, it is immediately dirtied after saving and closing ...

Animation Sequences in Sequencer Set to Frame 0 When Transform Curve is Moved

UE - Anim - Sequencer - Feb 7, 2018

-When a curve of a transform track is edited animation tracks set themselves back to start at frame 0. -Tested with scale to avoid interference with location -sequencer is not docked ...

Component hierarchy is reset for a Blueprint instance's newly added components if root is created in C++

UE - Gameplay - Blueprint - Feb 7, 2018

When a Blueprint is based off of a class that has its root component defined in C++, any components added to an individual instance of a blueprint reset their hierarchy so that they are always attac ...

Child Actor Component reappears after Undoing Parent Deletion

UE - Gameplay - Blueprint - Feb 5, 2018

After loading a map containing a ParentBP with a ChildActorBP, Deleting and undoing the deletion will "resurrect" the original child, and a new child actor is parented to parent. Possibly Related: ...

Anim Slot Manager Options Disappear When "Use Small Tool Bar Icons" is Enabled in Editor Preferences

OLD - Anim - Feb 4, 2018

When Use Small Tool Bar Icons option is checked in Editor Preferences, the icons for Save, Add Slot, and Add Group in the Anim Slot Manager are not longer visible but register as still there and rem ...

CLion cannot open a new code project after the Editor has been set to use CLion

UE - Foundation - Core - Feb 2, 2018

CLion fails to successfully open a new code project created with an Editor that has been set to use CLion as the preferred source code accessor. ...

Code project cannot be successfully set to use CLion

UE - Foundation - Core - Feb 2, 2018

Setting a code project to use CLion as the source code accessor does not appear to work successfully. ...

Normals Creating Lighting Artifacts On Mesh

Tools - Feb 2, 2018

Normals face up throughout the animation in Maya (2016) but do not remain faceup in Unreal. There is also a lighting artifact visible in the animation editor as well if it is brought into the editor ...

"Go to Definition" does not work properly in Binary

UE - Foundation - Core - Feb 1, 2018

Using the Go to definition option on a blueprint node in the Binary editor opens Visual Studio but does not actually show the definition as requested. The user is instead given the following warning ...