Unreal Engine Issues

UPlacementSubsystem does not respect AssetFactories priorities, which is inconsistent with UEditorEngine::ActorFactories and makes it impossible to override placed actor type when dragging asset from Content Browser to Level Editor Viewport.

Note: This issue was reproduced in UE 5.7, and it works correctly in UE 4.27. Prior to CL 24938100 (between UE 5.1 and 5.2), all existing factories were discovered and registered during engine init ...

Pilot actor no longer generates undo transactions

The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...

Check inside FAssetSourceControlContextMenuState/FPerforceSourceControlProvider

The async execution from within the context menu state is not cancelled properly when closing the context menu. This means that when rapidly opening and closing context menus there will be corruptio ...

Content browser folder names are allowed to use parentheses, which are disallowed by object paths

The content browser compares folder names against INVALID_LONGPACKAGE_CHARACTERS, which allows parentheses. However, object paths compare against INVALID_OBJECTPATH_CHARACTERS, which disallow parent ...

Copy/Pasting static meshes from the level into a blueprint doesn't work

It's likely that this bug has been around for quite a while. The user reports that the issue could possibly be in FCustomizableTextObjectFactory::ProcessBuffer, but this seems more like it could be ...

Scaling sphere with gizmo causes it to not work with line trace

Changing the scale of an actor with the level editor gizmo follows a very different codepath than changing it via the details panel. A side effect of this seems to be that line traces will no longer ...

Cannot move movable components of actors if using drag if PIE or Simulate

If the actor is in sublevel and user play simulate or PIE, the actor can't be moved by drag gizmo. Even if under the same conditions, editing transform of detail panel work properly. So I guess that ...

Cook errors with Python developer mode enabled (deprecated imp module)

Blueprint Editor Show Grid does not toggle the grid in the viewport

The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...

UBlueprintFileUtilsBPLibrary is inaccessible through Python script

The BlueprintFileUtilsBPLibrary API is not accessible through python scripts run in the editor. Attempting to run a script utilizing BplueprintFileUtilsBPLibrary results in:LogPython: Error: Traceb ...