Slight menu lag when using Vulkan on Linux

Platform - Linux - Dec 12, 2018

When using the UE4 Editor with Vulkan there is a slight lag when navigating through the menu options. This lag is not present when launching with OpenGL nor is it present on Windows with -vulkan.  ...

Pressing ESC while on a drag operation makes drag visual to be disappeared and OnDragCancelled not to be called.

Tools - UMG - Dec 11, 2018

DragDropOperation is removed when pressing esc button. but this is skipping OnDragCancelled so it can disrupt user's UMG drag operation logic.  ...

Multiple Primitives created when importing a mesh with "One Convex Hull Per UCX" disabled

Tools - Dec 10, 2018

User has encountered an issue with duplicate collision primitives when importing custom collision meshes from Maya ...

User would like Blutility Asset Action to be able to work on only certain classes of blueprint

Gameplay - Blueprint Editor - Dec 7, 2018

When supplying a specific blueprint class to the Asset actions Utility, the script does not show up in the right click menu as expected (this will work when given Blueprint as the class) ...

Deltagen Importer - Materials still import if disabled

Datasmith - Deltagen - Dec 6, 2018

Materials still import if disabled in Deltagen Fbx Importer. Import Geometry bool also looks to not be functioning. ...

Edits to TriggerBox ChildActor are only reflected in Viewport on first edit

Gameplay - Blueprint - Dec 6, 2018

Edits to TriggerBox 'Shape' parameters (in a ChildActor component) only update in Blueprint Viewport once, to view subsequent updates one must re-open Blueprint. Confirmed in 4.22 MAIN - 4631879 ...

Crash on Linux and Windows with Vulkan when adding Atmospheric Fog to a Level

Rendering - Dec 5, 2018

Adding an instance of Atmospheric Fog to a Level causes the Editor to crash on both Linux and Windows when using Vulkan. There is a different callstack when SteamVR is enabled on Linux which is also ...

Behavior Tree has missing Service Nodes on project load

Gameplay - AI - Dec 4, 2018

In the project is Behavior Tree that implements some tasks, decorators and services, but for some reason, two of my tasks nodes gets initialized with all the pointers to their services set to null, ...

Get viewport size returns unexpected values when Windows scaling is 125% or higher and High DPI support is enabled

Tools - Nov 26, 2018

Get viewport size node returns unexpected values when the user has set the windows scaling higher than 100% and has also enable High DPI support. ...

Actor in same location warning not working if the origin of a static mesh is not within the collision primitive

Gameplay - Nov 26, 2018

If the origin of the static mesh actor is not included within the static mesh primitives, the duplicate actor in same location warning will not proc when building a level. ...