Combo Box (String) does not work when applied to a 3D widget

UE - Editor - UI Systems - Apr 16, 2015

Users are not able to get the drop down menu to show up when the combo box is applied to a 3D Widget (World Space) ...

Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet

UE - World Creation - Worldbuilding Tools - Foliage - May 27, 2022

Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...

Placed level instance causes "!ActorInstanceGuid.IsValid()" assertion after changing WorldSettingsClass

UE - World Creation - Worldbuilding Tools - Level Instances - Nov 13, 2023

Resaving the level using ResavePackagesCommandlet is a workaround. ...

Different Drag and Drop Behavior between Tile, List, and Column Views in the Content Browser

UE - Editor - Content Pipeline - Content Browser - Aug 11, 2015

In the Content Browser in the Viewport to the right of the Content Browser outliner (*see image): If you are in Tile View you can drag an asset into a folder in the same viewport and successfully m ...

Crash and Performance issues when Generating Foliage using the Procedural Foliage Volume

UE - World Creation - Worldbuilding Tools - Foliage - Feb 14, 2017

Users are reporting crashes and poor performance when generating foliage using the Experimental Procedural Foliage Volume tool. Regression? Yes, this does not occur in the previous engine version o ...

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)

UE - Anim - Sequencer - Jul 12, 2017

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...

After closing PIE, Right click dragging is confined to the Viewport bounds

Tools - Oct 27, 2017

After holding any mouse button down and pressing escape to quit the game, using the right mouse button to move in the viewport locks it to the left and right bounds of the viewport. Sometimes moving ...

Unexpected Collision Response When Nesting Primitive Components with auto-weld enabled and physics disabled on children. The root primitive falls through floor even though it is set to block all.

UE - Simulation - Physics - May 27, 2025

Context Auto-weld makes it so if a child is attached to a parent, the two bodies will be joined into a single rigid body. Physic settings like collision profile and body settings are determined by t ...

Blueprints converted to static mesh with negative scales for a component will invert the faces

Tools - Dec 19, 2016

Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...

Changing reflection capture resolution after setting preview rendering level to Android ES3.1 crashes the editor

UE - Graphics Features - Nov 20, 2019

Applying a new reflection capture resolution after changing Preview Rendering Level to Android ES3.1 results in crash. Tested in: 4.24 P3 CL#10283392    4.25CL#10303496 ...