Adding weights to bones doesn't properly update skeltree

UE - Anim - Rigging - Skeletal Editor - Feb 5, 2026

RecastNavMesh is not generated at loaded sublevel

UE - AI - Aug 16, 2018

RecastNavMesh is not generated at the sub level dynamically added in C ++ in 4.20. In 4.18, 4.19 it was generated normally. Probably, changes to the large number about NavMesh systems from 4.19 to ...

Rotated RetainerWidget does not account for rotation during hit testing

UE - Editor - UI Systems - Jan 21, 2026

Hit testing for widgets contained within a RetainerWidget does not correctly account for rotation applied via render transforms . While the content renders with the expected rotation, hover and clic ...

UMG SetAnimationCurrentTime no longer works

UE - Anim - Sequencer - Mar 6, 2025

Certain UPROPERTY values are not updated during auto-recompile

UE - Gameplay - Blueprint - Aug 4, 2016

Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...

UMG Widget Set Focus in Standalone broken

UE - Editor - UI Systems - Aug 7, 2018

Focus is no longer set on UMG 3D Widget when playing in Standalone. (PIE works in both versions) Also verified in Main CL# 4247867 ...

Using Select Objects in Sequencer Scripting only selects one object

UE - Anim - Sequencer - Feb 8, 2021

Select Objects calls FSequencer::SelectObject which empties the selection before selecting an object, so Select Objects can only select one object at a time, despite taking an array of object bindin ...

EditableTextBox is not updated in Android device until pressing it when emptying it with blank text and SetText node.

UE - Platform - Mobile - Dec 7, 2016

EditableTextBox is not cleared immediately when clearing it with blank in android. (Right after User's input) It needs other input to refresh it. Current workaround is calling settext with blank ag ...

Ctrl + z still active in PIE

Tools - Jan 20, 2016

Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash. Workaround: This does not occur if ...

Setting the cursor in the behavior section of the details panel for a widget does not work

UE - Editor - UI Systems - Jul 20, 2015

The cursor option within the behavior section of the details panel for widgets does not set the cursor when the widget is hovered. ...