Unreal Engine Issues

Category for BTTask_BuleprintBase does not appear after reopening a project

Category for a task blueprint(BTTask_BuleprintBase) does not appear in behavior tree's context menu after reopening a project, if the task is not placed in the behavior tree. User needs to open the ...

When change sequence struct parameter, the editor crash.

when change sequence struct param, the editor is carash. It occurs in the case of using "Sound Wave", but the same problem occurs when "Sound Cue" is used. Attach application log, and crash dump fil ...

When Character BP actor is rotated, "Mesh" component translation differs on Client and Server

Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...

Delay node after a Destroy node breaks blueprint string

When a delay node is placed after a Destroy node in a blueprint string, nothing after the delay node will trigger. Removing the delay will trigger following nodes. ...

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

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. ...

Setting capsule height on the Server is not replicated to the Client while the Server character is moving

Crouching on the Server is not replicated to the Client while the Server character is moving. Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2591224) ...

Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event

When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...

Hierarchy is lost when components are copied from one blueprint to another

If a user has a list of components with a hierarchy, the hierarchy is lost in the target location if they copy the components to another blueprint. ...

World Origin Shifting Rendering Desync On Play

Message to rebuild lights does not display after static mesh position has changed

In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...