Undo Delete Subcomponent/Child Actor of Blueprint while Playing Causes Crash

UE - Gameplay - Blueprint - Mar 12, 2015

The title pretty much explains it all. When creating a blueprint and using a subcomponent or child within that blueprint, deleting the child actor, and then undoing while in play, causes crash. ...

Local Vector variables in functions do not save the Y and Z values

UE - Gameplay - Blueprint - Mar 12, 2015

Local Vector variables in functions do not save the Y and Z values. Possibly connected: after entering the X value, pressing Tab does not move to the Y value. Tabbing from there works as expected. ...

Using a function to set button style causes a crash

UE - Gameplay - Blueprint - Mar 12, 2015

I user was using a function to set button styles and they found that this would cause their editor to crash when trying PIE ...

NavModifierComponent doesn't work well with dynamic owner actors

UE - AI - Mar 12, 2015

When a raw NavModifierComponent gets added to a character it cuts a hole in the navmesh (as expected) but doesn't update the location with character's movement. And it should. ...

User defined structures cannot reference asset/object/class types in defaults

UE - Gameplay - Blueprint - Mar 12, 2015

Defaults for variables of asset/object/class type do not show up in the defaults panel in User Defined Structs. This severely limits their usefulness as a data definition. ...

Changing UPROPERTY() settings causes detail components to vanish in editor

Tools - Mar 11, 2015

When a UPROPERTY() macro is changed and the recompiled, the hot reload in the editor will cause any BP based on the class to lose certain aspects of the Detail panel such as the actor's transform. ...

Selected BP Variables do not refresh details properly

UE - Gameplay - Blueprint - Mar 11, 2015

When selecting variables within a blueprint using the arrow keys, it doesn't refresh the Details properly. You can see this by clicking on each of the variables, to see what the difference between t ...

GetActorsPerception useless in 4.7

UE - AI - Mar 11, 2015

The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...

Copying Blueprints folder within the Content Browser is not working properly

UE - Editor - Content Pipeline - Content Browser - Mar 11, 2015

When dragging and dropping the Blueprints folder into another folder, and selecting 'copy here' causes the Blueprints folder to stay as a folder and empty, but another Blueprints folder is created w ...

Changing UFUNCTION Category causes function to not appear in BP right-click menu after hot reload

UE - Gameplay - Blueprint - Mar 11, 2015

If a function with a Category set in its UFUNCTION macro has the value of the category changed and then compiled (hot reload), the function will no longer show up in the right click menu of the blue ...