Blueprint Interfaces cannot pass by reference between two blueprints

UE - Gameplay - Blueprint - Feb 25, 2015

Pass by reference variables do not work when called from a blueprint interface between two blueprints. Workaround: Use direct communication to pass by reference between two blueprints. ...

Material Parameter Collection does not correctly render in Widget BP

UE - Editor - UI Systems - Feb 23, 2015

If a Material Parameter Collection with a Scalar Parameter is used within a material and that material is called within a widget the scalar parameter will render with a 0 value, even when set to ano ...

VR mode does not appear to work in stand alone (4.10)

UE - Platform - XR - Nov 17, 2015

If the user plays in stand alone and uses the short cut Alt+Enter, the VR mode does not kick in as expected ...

Disabling the oculus rift plugin but no the Oculus input or Oculus Library will cause a crash

UE - Platform - XR - Oct 29, 2015

If the user disables the oculus rift plugin without disabling the oculus input and oculus library plugins the project will crash on opening. ...

Landscape does not conform to splines correctly

UE - LD & Modeling - Terrain - Landscape - Feb 20, 2015

When attempting to deform a landscape to landscape splines, the landscape often does not correctly conform to the spline and will appear through portions of the spline or the spline will "float" abo ...

A REINST error occurs in widgets reference one another

UE - Editor - UI Systems - Oct 23, 2015

If the user has two widgets (widgetA and WidgetB) and they use widgetB inside of WidgetA via the user created section and then they alter widgetB the reference to WidgetB will show a REINST Error. ...

Behavior Tree "Resume" button does not match other resume buttons in editor

UE - Gameplay - Feb 12, 2015

Resume button in Behavior Trees is a different image than the resume button in other parts of the editor. ...

Transparency for Widget components is not working on iOS devices

UE - Editor - UI Systems - Oct 20, 2015

If the user has a widget with an opacity less than 1 it will be rendered as though the opacity was set to 1 on iOS devices Note: Possible regression ...

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. ...

Overlap trigger on Event Begin Play doesn't work after converting project from 4.7.6 to 4.8 P2

UE - Gameplay - May 18, 2015

Overlap trigger on Event Begin Play doesn't work after converting project from 4.7.6 to 4.8 P2. The user thought this was related to using Custom collision object types but it is reproducible with ...