Unreal Engine Issues

Same-named variables of other classes listed as references in blueprint

If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...

Material attribute layers issue with texture sample and VT lookups

When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...

Blackboard decorator node does not abort lower-priority nodes

When a branch of a selector is deactivated, all auxiliary nodes and observer delegates are removed. If the branch is reactivated soon and the CurrentActiveNode remains unchanged, the behavior tree l ...

Gameplay Tags with the string "None" as any of its hierarchical node identifiers behave incorrectly (because of an incomplete generated FGameplayTagContainer::ParentTags array)

Currently, using the string "None" as a hierarchical node identifier inside a Gameplay Tag (for example "A.B.C.None.D.E.F") is not disallowed by the engine, but results in some incorrect behaviors. ...

Users custom AI-heavy project crashes if anything is Built

Users custom AI project crashes if anything is Built. (All, Lighting, Geometry, etc.) The project can be played but receives a message during play that the Navmesh needs to be rebuilt. ...

Shortcut(Ctrl+W) do a duplicate action in Blueprint Interface function list even if threre is no duplicate/copy action in the context menu.

Blueprint Interface functions have no duplicate/copy context menu but still shortcut (Ctrl+W) is working and making duplicated arguments. ...

Delta struct serialized fast arrays replicating new elements with no changelist

There is a scenario where delta struct serialized fast arrays can replicate changes that introduce additional elements to the array, but without changelists containing the new data. This needs furt ...

Download of Starter pack sometimes fails

Package fails after adding DesktopPlatform to public module dependency list

Adding DesktopPlatform to the PublicDependencyModuleNames.AddRange() section of the Project.Build.cs file causes the project to fail packaging with the following error (full package logs in callstac ...

Unable to change Actor Coloration View Modes in PIE

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...