Unreal Engine Issues

Inconsistencies in SMInstance Proxy Object Creation

Sometimes when adding instances to Instanced Static Mesh component, you can click on individual instances in the editor and get special detail view - simple transform with the instance index number ...

Auto-Save failing, pulling old saves and blocks users from continuing

Reporting an issue where are users are getting prompted to auto-save, but then it appears to fail and asks them to manually save. They're being prompted with outdated save files, but get stuck in a ...

Snap Object to View Doesn't Update Pivot

When you select an object in the viewport and use "Snap Object to View", the editor pivot (e.g. the location of the transform widget) doesn't change. It stays where the object used to be until you c ...

Recently Placed Actor Factories can be Mismatched

The Add Content menu in the engine (on the menu bar just above the viewport) maintains a category of Recently Placed actors. In order to remember items between runs of the editor, the Recently Place ...

Show flags in Viewport do not persist after actor selection with GameView enabled

Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...

Verify deprecation/upgrade path for SLevelViewport::GetViewportTypeWithinLayout

Crash when Copy/Pasting from Older UE Versions

When copy/pasting scene objects from older Unreal versions into Unreal 5.1, the editor will crash. ...

Loading Duplicated Level via Python API Crashes Editor

When called from Python, in 5.1 the load level invocation results in a kernel panic style crash of the editor, with a message about the map leaking memory and not being able to be garbage collected ...

Fix up redirectors can fail if some packages were already checked out