Unreal Engine Issues

Crash when a material with a texture parameter is deleted when it has instances with static permutations

This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...

Editor crash when adding a spline component after having deleted another spline component

After adding a duplicate spline point, removing the spline component while the duplicated point is selected and creating a new spline in its place causes the editor to crash. Crash Reporter: [Link ...

Rename BP in Content Browser causes actor to not load in WP map

When trying to load the actor, the warning "Can't load actor guid from package" will show. In FWorldPartitionActorDesc::Load, it's unable to find the object: Package = LoadPackage(Package, *Ac ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

The "Wrap Box" widget does not update the position of it's children when a widget's visibility is set to "collapsed"

If a user collapses a button that is inside of a wrap box widget the other buttons inside that wrap box will not adjust their positions to compensate for the missing button. In other widgets collaps ...

Crash when clicking "Reset to Default" button on the Details Panel for the MaterialAttributeLayers material node.

This crash repros from at least UE 5.3 and up to latest. The following assert is hit: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 1067] Array index out of bounds: 0 in ...

Crash after clicking the Build button on Linux

This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...

Level viewport toolbar buttons on the right side are collapsed even if the viewport has enough width

The following worka round works :float SLevelViewportToolBar::GetTransformToolbarWidth() const { ... #if 0 // float ViewportToolBarWidth = static_cast<float>(GetCachedGeometry().GetLocalSize(). ...

There are assets with no name when deleting datasmith assets

Nanite material audit reports null material when WorldGridMaterial replaces a deleted material in the editor

Workaround it to reassign a material to the mesh and resave ...