Material Editor: Highlight/Isolate should warn user when using Nanite Mesh

UE - Graphics Features - Nanite - Oct 27, 2022

Editor should visually warn the user that this feature doesn't work with Nanite, or that the Nanite Preview mesh needs to be enabled (or forcibly enable it when they attempt to use this option), oth ...

[Waveform Editor] - Changing the Edit time on a Sound Wave that has TotalSamples=0.0 can crash editor

UE - Audio - WaveformEditor Plugin - Nov 10, 2022

Rapidly changing the End Time on an asset that has TotalSamples=0.0 in the WaveFormEditor cases the editor to crash. Work around is to reimport the asset, which will restore that value. The crash hi ...

Cable Actor becoming stiff when bound to two dynamic objects

UE - Simulation - Physics - Jun 1, 2023

the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...

Enhanced Input duplicately fires input event when used in Widgets.

UE - Gameplay - Input - Jun 9, 2023

When creating a UserWidget and creating a process to receive input events with Enhanced Input, input events may be generated multiple times in duplicate. To reproduce this problem, create a Widget a ...

Edit Layers naming is being added to the Localization Dashboard

UE - Rendering Architecture - Materials - Mar 1, 2024

When a Material Instance with Layer Parameters is added to the Level Landscape, the Layer Names get added to the Localization Dashboard. ...

Incorrect display of NavLinks when bFailedNavLinks is enabled

UE - AI - Navigation - Oct 10, 2024

When bFailedNavLinkNavLink is enabled in RecastNavmesh, some NavLink points are debugged and others are not depending on the position of the NavLink point. In the sample project, enable bFailedNavL ...

Material Particle SubUV Sample does not work with Tex Object

UE - Rendering Architecture - Materials - Aug 29, 2025

The Particle SubUV Sample node uses its own texture object reference instead of the one provided by the texture object node. ...

Lock Actor Movement doesn't prohibit rotating an object by turning the viewport while piloting it.

Tools - Jun 12, 2015

If you pilot an object and wish for it not be moved, such as a camera, you can use the Lock Actor Movement option. This will stop the object from moving, but it will not stop the object from being r ...