CineCameraActor ActorToTrack property cannot be set to a spawnable actor

UE - Anim - Sequencer - Apr 15, 2024

In the repro, the first selection is not spanable, but the ActorToTrack is set correctly at this time. When trying to select a spawnable actor, it cannot set it to ActorToTrack.  When using the eye ...

Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.

UE - Editor - Workflow Systems - Apr 15, 2024

If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...

Pointer being freed was not allocated on IOS with MallocBinned2

UE - Platform - Mobile - Apr 15, 2024

Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...

Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering

UE - Rendering Architecture - Materials - Apr 11, 2024

Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...

BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.

UE - Gameplay - Blueprint - Apr 11, 2024

When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...

[Substrate] Workaround for DXC problem with roll unlooping

UE - Graphics Features - Substrate - Apr 8, 2024

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

IME does not work in EditableTextBox in WidgetComponent

UE - Editor - UI Systems - Apr 5, 2024

WidgetComponent controls widgets through VirtualWindow, but VirtualWindow does not have HWND, so IME cannot be enabled. The following workaround enables IME activation. void FSlateEditableTextLay ...

Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class

UE - Editor - Workflow Systems - Apr 5, 2024

This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...