User-defined InstancedStaticMeshComponent subclass misbehave in SCS Editor

UE - Framework - Blueprint Editor - Oct 13, 2025

Context Users can create InstancedStaticMeshComponent (ISMC) (blueprint) subclasses. Any ISMC class can be added to an actor blueprint. When a mesh is selected and transforms are added to the Insta ...

Typo in "BaseEditorSettings.ini": under section [/Script/UnrealEd.ContentBrowserSettings], key "DisplayPluginFolder" (singular) should read "DisplayPluginFolders" (plural).

UE - Editor - Workflow Systems - Oct 11, 2025

File "<ENGINE_PATH>/Engine/Config/BaseEditorSettings.ini" contains the following setting: [/Script/UnrealEd.ContentBrowserSettings] ; Whether to display the game project plugins in the Content Brow ...

Actors transforms broken in cooked builds when their parent is an IsEditorOnlyActor

UE - Framework - Oct 7, 2025

When creating a hierarchy of Actors in the Outliner, the transform of the "child" actors will be reset if their Parent's IsEditorOnlyActor property is true.  The project in the EPS case is using ...

Values for InitialOnly replicated arrays can fail to be captured in replay when removed and re-added between checkpoints

UE - Networking - Oct 2, 2025

When the first checkpoint is recorded, the correct array properties will be captured in the LifetimeChangelist. When these array items are later removed and another property on the actor is changed, ...

FNiagaraScalabilityManager incorrectly reactivates a NiagaraComponent that was deactivated by runtime user code

UE - Niagara - Scalability - Oct 1, 2025

Context: The Niagara System is the primary tool to do visual effects inside Unreal. Niagara systems can be culled due to distance. Problem: Once a deactivated Niagara System is culled due to distan ...

Revision Control > View Changes: Request for direct navigation from the Content Browser assets right-click menus to View Changes

UE - Editor - Workflow Systems - Sep 22, 2025

Right-clicking any object (Assets or ExternalActors) in ViewChanges allows selection. Conversely, using Source Control > View Changes from an Actor's right-click menu in the Outliner navigates to Vi ...

Revision Control > View Changes: Request to add functionality to copy paths and short package names directly from ViewChanges

UE - Editor - Workflow Systems - Sep 22, 2025

Hovering over items in the ViewChanges list shows resource paths and short package names, but these cannot be copied. Users must instead select the Actor in the Outliner to copy this information. Pl ...

Revision Control > View Changes: Request for changes to Revert File and Unsaved options

UE - Editor - Workflow Systems - Sep 22, 2025

1. Objects in the Unsaved list cannot be discarded, only saved. The only options to discard changes are restarting UE or manually locating each resource and clicking Reload. This becomes extremely c ...

Applying downscale causes textures to display unexpectedly on widgets

UE - Editor - UI Systems - Slate - Sep 22, 2025

When applying downScale 2.0 to UI textures to reduce resolution, unintended display issues occur on widgets, such as: ・The border of box-shaped Widgets with DrawAs set to “Box” becomes thinner ・Dot ...