Category for BTTask_BuleprintBase does not appear after reopening a project

UE - AI - Feb 9, 2017

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 ...

"For Each" Node doesn't show up in UMG Graph until an Actor BP is loaded

UE - Gameplay - Blueprint Editor - Apr 18, 2022

[Link Removed] ...

Camera bookmark modifications are not saved unless it is a new bookmark

UE - Editor - Workflow Systems - Dec 2, 2022

This is not a regression. Tested in //UE5/Release-5.0 cl20979098. Camera bookmark modifications are not saved unless it is a new bookmark. From the user reporter: "FBookmarkTypeToolsImpl.CreateOrS ...

GI not coming in with lighting build data when lighting built outside of main scene

UE - Graphics Features - Mar 27, 2024

Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...

When using Perforce, saving a level over another leaves the target umap file as "marked for delete"

UE - Editor - Workflow Systems - Mar 11, 2025

When working on a level asset and using command "File – Save Current Level As..." to save it over a different level asset, the engine first deletes the target level (that's going to be overwritten) ...

Moving an InstancedStaticMesh will not move meshes collision

UE - Simulation - Physics - Apr 10, 2015

Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...

Expose to Matinee requires variable to be "editable" for it is usable in Sequencer/Matinee

UE - Anim - Sequencer - Jun 15, 2016

Expose to Matinee requires variable to be "editable" as well. If this is expected, can we have "Editable" be enabled when you enable "Expose to Matinee"? ...

Default values set in code are not overridden in character blueprint

UE - Gameplay - Blueprint - Mar 23, 2015

If a C++ class based on Character has a default value for a variable and the value is overridden in blueprints, the default value will be shown in game rather than the BP value. ...

LIVE: Variables of type UserDefinedStruct that are not compiled when a project is closed will not be visible when the project is reopened

UE - Gameplay - Blueprint - Nov 18, 2014

If a variable of type UserDefinedStruct is created in a Blueprint and the project is closed before the Blueprint is compiled, upon reopening the project that variable will not be visible in the My B ...

Altering interface outputs/inputs causes compile errors on blueprints calling interface

UE - Gameplay - Blueprint - Sep 4, 2015

If an interface is called in a blueprint and then altered, the blueprint will receive a compile error until the interface is removed and re-implemented. ...