Material Layers Relink Button Missing

UE - Rendering Architecture - Materials - Mar 26, 2025

The Relink button is missing (as are the Save Sibling and Save Child buttons) on Material Instances that use Material Attributes Layers in 5.5. ...

GetMouseX returns stuttering value if ShowMouseCursor is enabled

UE - Gameplay - Input - May 11, 2022

Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values.  ...

Some parameters tooltip descriptions are missing

UE - Rendering Architecture - Materials - Oct 13, 2022

The user is shown an "default" tool tip message when hovering the mouse over material parameters. ...

Translucent mesh dissapears when using masked shadows

UE - Graphics Features - Shadows - Jun 7, 2023

This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...

OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited

UE - Editor - Jun 28, 2023

If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...

Crash when createing a Landscape and the DisasterRecoveryClient plugin is enabled. In the editor appears as Recovery Hub.

When DistasterRecoveryClient (in editor called RecoveryHub) plugin is added to the project and the user creates a Landscape, a crash occurs. ...

Static Meshes that are reimported with less materials can lead to map check errors on instances that had overriden materials that require manual cleanup

UE - Rendering Architecture - Feb 5, 2025

StaticMeshActors placed in the world can override the default materials of a static mesh. If the static mesh is then reimported with less materials, the actors maintain references to unused material ...

SpeedTree velocities broken

UE - Graphics Features - Mar 18, 2021