Unreal Engine Issues
Unreal Engine Issues
Native Component bound events do not throw an error when they are removed from a component
UE - Gameplay - Blueprint Compiler - Jun 25, 2020This is related to the previous issue where if you deleted a component than there would be no errors ([Link Removed]), but instead of the component itself being deleted, the delegate has. The er ...
Blueprints can be created for a class after removing the class from the project
UE - Gameplay - Blueprint - Dec 2, 2015If a class is added then removed from a project, blueprints can still be created based on the deleted class. ...
Can't click 3D widget components in mobile preview
UE - Editor - UI Systems - Nov 25, 2015When using mobile preview users cannot click on widgets such as buttons if they are placed in 3D widgets ...
Editor freezes when creating a Collection named 'AUX'
UE - Editor - Content Pipeline - Content Browser - Aug 14, 2017When a collection is created, naming the colleciton AUX causes the editor to lock up, requiring a force close from the task manager. Note: Naming the collection something else and then renaming it ...
Cannot Add Elements to AIPerceptionStimuliSource's Register as Source on an Instance in the Level
UE - AI - Jun 7, 2016When attempting to add an element to the Register as Source for Senses on an instance of a blueprint in the level, the + button has no effect. Clicking the button does not add an element. This work ...
Widget interaction component appears fail when moving at high speeds
UE - Editor - UI Systems - May 4, 2017Widget interaction component appears fail when moving at high speeds In this example: The user cannot click button that require the widget interaction component to become perpendicular to the cur ...
[CrashReport] UE4Editor_Sequencer!FSequencer::Tick() [sequencer.cpp:439]
UE - Anim - Sequencer - Aug 21, 2017This is a common crash that has occurred since at least the 4.10 release, although there seems to be a gap where it may not have occurred through the 4.12-4.14 releases, but returned with 4.15. Use ...
When changing the Visibility of a RetainerBox wrapped widget to “Not Hit-Testable(Self&AllChildren)”, the widget incorrectly accepts the hit test
UE - AI Workflows - UI Systems - UMG - Jan 28, 2025The result of changing the Visibility of a widget placed as a child of RetainerBox is not reflected. Here we have disabled hittest for the Button widget, but hittest is incorrectly accepted. This is ...
Duplicate "ghost" widgets are created when wrapping multiple widgets with a vertical box (From the Hierarchy panel)
UE - Editor - UI Systems - Mar 23, 2015If the user selects multiple widget within the hierarchy panel and then right clicks > Wrap with > Vertical box this will create an extra set of the widget that were selected. These widgets will hav ...
Fresnal Preview in Material Editor Thumbnail produces Strange Result when Zooming
UE - Graphics Features - Jul 8, 2015When making a Simple Fresnal node inside of the Material Editor and plugging it into the Basic Color node it returns strange values for the preview. Specifically the dark inner color will move off t ...