Unreal Engine Issues

Can't update thumbnail of Texture 2D Array asset when upate source texture resource.

Texture2DArray asset thumbnails are not reflected when the source file texture is changed. Once a Texture2DArray asset is opened and loaded, the thumbnail will follow any subsequent source file upda ...

FMath::Eval ignores groupings while solving

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Slow while replacing actor in large open world

Licensee: "Content creators from my team have reported that when they replace actors in an open world it can take more than 10 seconds. This is with several thousand actors loaded in the world. On m ...

Mesh paint erroneously selects occluded vertices when multiple meshes selected

Licensee reports that occluded vertices are picked in mesh paint when multiple meshes are selected. Since we use line tracing + math to determine the target vertex in mesh paint mode, rather than h ...

The == and != symbols of the 'Not Equal(Enum)' and 'Equal(Enum)' are obscured

This is not a regression this has existed since as early as 2015(seen screenshot: [Link Removed]). Tested in //UE4/Release-4.27 CL18319896, and //UE5/Release-5.0 CL20979098 As user reported the == ...

[UDN] Static array of UObject pointers gives x3004 error in Material Editor.

Ctrl key Transform Sensitivity Control Conflicts with RMB Viewport Controls

When you hold down Ctrl key in the viewport set to Perspective mode, you can transform the selected actor(s) without having to actually click the transform gizmo. So Ctrl+LMB transforms on the X axi ...

Properties with hierarchical category are not displayed in the data table editor

Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function

This is not a regression tested in //UE5/Release-5.0 CL22491701 Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function ...

Tools>Debug>Modules button may not appear

This is due to Plugin loading order. If the EditorDebugTool plugin is loaded before *SourceCodeAccess( in exsample : VisualStudioSourceCodeAccess ) plugin is loaded, CanShowModulesTab() returns fals ...