Foliage instances don't move with a static mesh when it is shared between two foliage actors

UE - World Creation - Worldbuilding Tools - Foliage - Apr 26, 2023

From Licensee: The bug comes from the call of the function `FoliagePartitioningUtils::Update` in the method `AInstancedFoliageActor::MoveInstancesForMovedComponent`. When the function `FoliageParti ...

Window to select Skeletal Mesh does not pop up when editing a new IK asset

UE - Anim - Rigging - Retargeting - Apr 26, 2023

When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...

Non-edit layers landscape don't work adequately with Nanite landscape while painting

UE - Graphics Tools - Terrain - Landscape - Oct 24, 2023

Result : while displaying the Nanite version of the landscape, the paint layers behave erratically (see video : [Link Removed])  If rebuilding the Nanite data, the bug gets fixed until the user sta ...

Particles cannot be rotated in Local Space and behave erratically without local space

UE - Graphics Features - Oct 23, 2014

Particles using the Velocity Over Life Module with extremely high values are behaving erratically without Local Space turned on and with Local Space turned on you can not rotate the particle system ...

Large Memory Allocations When Adding a Landscape_WaterBrushManager

UE - Graphics Tools - Terrain - Mar 17, 2025

When a "Water Body River" is added to a Scene with a Landscape, eleven Render Targets are allocated for the water rendering. These Render Targets are sized according to the resolution of the Landsca ...

Collapsed Nodes do not have execution pins highlight during use

UE - Gameplay - Blueprint - Jan 16, 2015

When nodes are collapsed in editor, the execution pins to the nodes do not light up to show their use. ...

Cannot use multiple SubScene tracks

UE - Anim - Sequencer - Jun 30, 2016

Cannot use multiple SubScene tracks. When trying to add a subscene to a second subscene track, it just snaps onto the original subscene track. ...

Sequencer Actor Transforms are not offset when the level is moved in World Composition

UE - Anim - Sequencer - Nov 10, 2016

Sequencer Actor Transforms are not offset when the level is moved in World Composition ...

Details panel is very slow when there are many items in an editable array (even if hidden) (was Tile Selection Lag within Tile Set Editor)

Tools - Jun 22, 2015

Selecting tiles within the Tile Sheet Editor becomes laggy after changing the size and spacing of the tile set. ...

When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.

UE - Anim - Runtime - Mar 18, 2024

The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...