[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 - Runtime - Simulation - 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. ...

Unable to Use Console Command with bShowLaunchImage=False

UE - Platform - Mobile - Systems - Aug 16, 2024

Incorrect display of NavLinks when bFailedNavLinks is enabled

UE - Runtime - Character - 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. ...

Compatible Skeleton Animation does not retarget the same on duplicate skeleton

UE - ACT Character - Retargeting - Jan 29, 2026

If a mesh is exported from the engine, reimported as a new skeleton and mesh, and then marked as a compatible skeleton. Animation will have slightly different rotations playing on the skeleton. ...

Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText

UE - Framework - Blueprint - Sep 23, 2025

Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...