Unreal Engine Issues
Unreal Engine Issues
Touch release fires after using the virtual joysticks when "Use mouse for touch is enabled" when clicking a button
UE - Editor - UI Systems - May 29, 2019Under the following conditions touch release will fire off when clicking a button Use mouse for touch is enabledThe user has recently clicked a virtual joystickThe user then clicks a button ...
BP - Nativized builds will incur data loss in a Blueprint class that contains more than one ChildActor component and for which each had its child actor class set in the Details tab before being renamed away from "ChildActor" in the component editor tree.
UE - Gameplay - Blueprint - Jan 27, 2020Child actor component templates, when nativized, end up being owned by the converted Blueprint class object, rather than the child actor component template. Furthermore, we don't regenerate the chil ...
Convert Actor option is grayed out and not selectable. (ConversionRoot metadata not found)
UE - Foundation - Core - Jun 4, 2015The 'Convert Actor' option in the details tab of brushes does not function. The option is grayed out and not selectable. Note for Core: This button works by looking for the ConversionRoot UCLASS m ...
Dragging and dropping a button into the designer tab of a widget blueprint in 4.8 will crash the engine
UE - Gameplay - Blueprint - Feb 2, 2015If a user tries to add a button to the designer tab of a widget blueprint the editor will crash. ...
Crash When Curve Editor is on When Animating Button Transform in Widget Blueprint
UE - Editor - UI Systems - Mar 18, 2016In a Widget Blueprint, after animating a button to transform vertically (possibly other directions) with the Curve Editor active, engine will crash upon creating a second animation. ...
Could not delete reference in specific level sequence
UE - Anim - Sequencer - Jun 12, 2018Could not delete reference in specific level sequence. It seems to be a soft reference because it becomes a reference for pink color, but I do not know where it is being referred. ...
Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled
UE - Gameplay - Blueprint - Aug 3, 2018Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround t ...
Cannot click the create new project button on a monitor with 1366 x 768 resolution
Tools - Sep 17, 2015If a user has a 1366 by 768 monitor resolution and uses the File > Create New project option, then the user will not be able to click the green button at the bottom of the window that actually allow ...
delete_all_material_expressions_in_function Doesn't delete all expressions in one go.
UE - Rendering - Architecture - Materials - May 24, 2024UDN: https://udn.unrealengine.com/s/case/500QP000009NxNBYA0/deleteallmaterialexpressionsinfunction-doesnt-delete-all-expressions-in-one-go?fromCase=1 A UDN user is reporting that the delete_all_mat ...
Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph
UE - Runtime - Anim BP - Aug 10, 2021When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...