Unreal Engine Issues
Unreal Engine Issues
Merge Actor - Approximate Actors algorithm is using Mesh Description directly rather than the Nanite parameters
UE - World Creation - Worldbuilding Tools - Merge Actor - Jul 25, 2025In an ideal world, all mesh merge algorithms should have the option to use as input one of the followingRender mesh (non-nanite) (+ the option to target a specific LOD)Mesh Description (+ the option ...
Enum Compare Condition causes crash when resetting default value of right field in State Tree's Enter Conditions
UE - AI - StateTree - Feb 11, 2026In FStateTreeCompareEnumCondition::GetDescription, the Left.Enum value is mistakingly used when setting the RightValue. This causes crashes when resetting the default value of the Right field in an ...
Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set
UE - Graphics Features - Jul 10, 2015The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...
Duplicating Collapsed Graph Nodes lose all Pin Links
UE - Gameplay - Blueprint - Mar 24, 2015Duplicating Collapsed Graph Nodes that have spaces in the name lose all pin connection links. ...
Japanese language word order mistake in Transition nodes for AnimBP
UE - Editor - UI Systems - Localization - Mar 24, 2016Japanese language word order mistake in Transition nodes for AnimBP It reads "AからB", but should read "BからA" ...
Importing a 8192x8192 .r16 landscape file does not render landscape in level viewport
UE - LD & Modeling - Terrain - Landscape - Jan 6, 2016Importing a large landscape, such as 8192x8192 or 8129x8129 into a project shows that a landscape has been created, however the landscape itself does not render in either wireframe or perspective vi ...
LIVE: Multi Line Editable Text BOx in UMG does not wrap text to a new line
UE - Editor - UI Systems - Oct 24, 2014When setting up a UMG HUD system, the Multi Line Editable Text box component will accept text, but all text entered is on a single line with a horizontal scroll bar rather than wrapping to a new lin ...
Cannot change collision on child components of blueprint in Details Pane
UE - Gameplay - May 12, 2015The child component of a blueprint cannot have their collision altered through the details pane of the main editor viewport if the child component is a sphere. All changes must occur in the blueprin ...
Cannot delete objects selected with lasso tool in foliage mode
UE - World Creation - Worldbuilding Tools - Foliage - May 7, 2015Actors selected with the foliage lasso tool cannot be deleted. User must select individual assets or use another method to delete actors. ...
Destroying actor sets object to 0,0,0 for one frame before actually destroying
UE - Gameplay - Apr 29, 2015Actors destroyed are set to 0,0,0 for one frame, which causes collision temporarily before they are completely removed. This only occurs on objects that are attached to a component using the attach ...