ISequencer::OnPlayEvent does NOT fire at the end of playback in Sequencer editor

UE - Anim - Sequencer - Jul 8, 2022

ISequencer :: OnStopEvent is executed when pause, but not when playing to the last frame and stopping automatically. This is because OnStopDelegate.Broadcast(); is only in FSequencer::Pause(). When ...

Editor-only blueprints like WidgetBlueprint are not added to cooked asset registry class hierarchy

UE - Foundation - Core - Aug 10, 2022

Both the Asset Registry and Asset Manager look for all subclasses of UBlueprintCore and use that to search for blueprint classes and construct an inheritance hierarchy. This always works in editor b ...

New Viewport Resolution setting increases every time a new PIE window is launched

UE - Editor - UI Systems - Slate - Sep 2, 2022

When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...

Changing Asset Manager settings breaks game feature scan directories

UE - Gameplay - Sep 29, 2022

The asset manager is used to scan directories on disk for different Primary Assets that can then be loaded on demand. Game feature plugins support the ability to add additional scan directories when ...

NiagaraEditor timeline folders are not saved correctly

UE - Niagara - Feb 8, 2023

It works correctly in 5.0.3. ...

Multi-process cooking does not complete in UE5.3.0

UE - Foundation - Core - Cooker - Sep 26, 2023

Projects with multi-process cooking enabled will not complete packaging. If MPCook is disabled, packaging can be completed.  ...

iOS Quick Launch from the Editor no longer starts the app on device

UE - Platform - Apple - Feb 28, 2024

For some reason, iOS apps no longer launch on device when using QuickLaunch within the Editor.  Instead, it does install the app onto the device, but when it attempts to then launch the app, a messa ...

Reroute nodes do not work for Pose connections in Anim Graph

UE - Gameplay - Blueprint - Mar 5, 2015

Reroute nodes do not work for Pose connections in Anim Graph It appears to work until you recompile [Image Removed] ...

Deleting a large number of unused variables from blueprints forces desktop to windows 7 basic mode until editor is closed

UE - Gameplay - Blueprint - Mar 30, 2015

Deleting a large number of unused variables from a blueprint forces the editor into windows 7 basic mode until the editor is closed. ...

Behavior Tree "Resume" button does not match other resume buttons in editor

UE - Gameplay - Feb 12, 2015

Resume button in Behavior Trees is a different image than the resume button in other parts of the editor. ...