BlueprintNativeEvents are not overridden correctly with multiple levels of inheritance

UE - Gameplay - Blueprint - Mar 9, 2017

When overriding a BlueprintNativeFunction in a child class, if the inheritance is multiple levels deep, the override does not work correctly. As shown in the reproduction steps, this the example to ...

FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() can fail to resolve reinstanced archetypes.

UE - Foundation - Cpp Tools - Hot Reload - Mar 8, 2017

From UDN. This is a hotreload bug - even though it uses FBlueprintCompileReinstancer. ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

Wrong transform of Destructibles that use Extended Structures

OLD - Anim - Mar 7, 2017

Wrong transform of Destructibles that use Extended Structures. Destructible must be contained within a BP and only occurs during Standalone Game. All other play modes, including packaged, work as ...

SSR Does Not Work On Mobile or Mobile Preview

UE - Platform - Mobile - Mar 7, 2017

In our Docs page SSR is listed as compatible with mobile here: https://docs.unrealengine.com/latest/INT/Platforms/Mobile/PostProcessEffects/ While testing this doesn't seem to be the case so either ...

[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()

UE - Graphics Features - Mar 6, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Tool tips for widget components do not appear to show up when the widget component is set to world space

UE - Editor - UI Systems - Mar 6, 2017

Tool tips for widget components do not appear to show up when the widget component is set to world space ...

OnClick Events for buttons in 3D Widgets not firing in Multiplayer

UE - Editor - UI Systems - Mar 6, 2017

OnClick Events for buttons in 3D Widgets not firing in Multiplayer. This issue only affects the button component as other Widget components that used the Left mouse button function as expected Regr ...

Multiple Timeline Tracks disappear when first track is collapsed

Tools - Mar 6, 2017

When collapsing a timeline track, if there are over 5 tracks below it, some will disappear. This is a closer look at but UE-18550 Workaround Simply scroll on the timeline tracks to repopulate the ...

Geometry in hidden Layer unhides if moved in the viewport

Tools - Mar 3, 2017

Geometry that is hidden in a layer, becomes visible after being moved in the viewport. The layer stays hidden, and if a cube is placed in the layer, it also remains hidden. Moving a cube that is hid ...