Socket Preview Mesh's Scale Changes While the Socket's Scale Does Not When the Mesh Editor is Reopened

Tools - Dec 22, 2017

When setting a preview mesh and a socket to a relative scale, the socket's scale is saved but the preview meshes scale changes. This occurs when the asset is saved < mesh editor closed out < mesh ed ...

Crash exiting play in vr preview with -Vulkan and Oculus Rift

UE - Platform - XR - Dec 22, 2017

Editor crashes after exiting a play in vr session with -Vulkan enabled Exclusive to Oculus Rift ...

Sockets Duplicate When Mesh is Reimported

Tools - Dec 21, 2017

When a static mesh that already has sockets created in it's original third party program is reimported into the editor, it's sockets are duplicated. Going from 10 to 20 on reimport.  ...

Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false

UE - Graphics Features - Dec 21, 2017

Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE.  Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...

Actor reference in actor component is cleared after the containing actor is compiled

UE - Gameplay - Blueprint - Dec 19, 2017

A variable with an actor reference that is owned by an actor component will lose it's reference if the actor that it is applied to is compiled.  ...

Unable to bind events to OnPerceptionUpdated in Blueprints

UE - Gameplay - Blueprint - Dec 18, 2017

Attempting to bind an event to OnPerceptionUpdated results in an error in Blueprints. It seems that this is caused by the TArray in the function signature not being a constant reference. Current co ...

Cable Component wildly swings around when the World Origin is shifted

OLD - Anim - Dec 18, 2017

Cable Component wildly swings around when the World Origin is shifted. Standard physics object are not effected. ...

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

UE - Gameplay - Dec 15, 2017

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Default value for BP struct within BP struct not set

UE - Gameplay - Blueprint - Dec 15, 2017

If I set a certain default value for a struct within another struct, it is reset to "None" and the value is not accepted. Below are detailed steps to reproduce as well as a minimal project. Source: ...