Unreal Engine Issues

BP multi-level inheritance does not correctly inherit 'Static' mobility

User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...

Blueprint Nodes no longer Grid Snap to straight lines

5.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...

Window to select Skeletal Mesh does not pop up when editing a new IK asset

When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...

[CrashReport][GPU Crash] UpdateRadianceCaches

Tracking for this issue has moved to [Link Removed] because this is a duplicate issue. A GPU crash may occur during UpdateRadianceCaches. No known repro exists. Additional details in comments. La ...

geometry script AppendSimpleSweptPolygon can crash if called with empty path

geometry script "Append Simple Swept Polygon" crashes if called w/ an empty path (but non-empty cross section polygon) ...

Search for references in embedded gameplay tags editor of blueprint editor details panel does nothing

There is an arrow with a menu that opens when clicked. That menu binds member functions to the widget. The widget is being deleted when the user clicks on the action in the menu, before the action i ...

Crash when Opening the Class Defaults or Class Settings Tab within an Actor Blueprint

A crash occurs when attempting to open the 'Class Defaults' or 'Class Settings' tab of an Actor Blueprint. If the 'Details' tab is already open and you close it and attempt to reopen the options, th ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

[CrashReport] UE4Editor_ContentBrowser!SAssetView::AssetRenameBegin() [sassetview.cpp:3956]

This is a common crash that has occurred since at least 4.17. Users have not provided any descriptions about their actions when the crash occurred. Source Context 3952 void SAssetView::Ass ...

Division by zero causing NaN/Inf on USkeletalMeshComponent::UpdateRigidBodyScaling() when setting scale to zero and back

Up to UE 5.5, skeletal mesh physics did not get updated when the component's scale changed. This was improved on January 2025 with CL 39190335, which addressed [Link Removed] ...