Unreal Engine Issues

UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation

UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation. The K2Result is not used later in the function, and this ...

UGameUserSettings::ValidateSettings fails to wipe GameUserSettings.ini

When changing the version in UGameUserSettings, the expected behaviour is that GameUserSettings.ini will be wiped/delete and then regenerated. The actual behaviour is that within the ValidateSetting ...

In UE 5.5, "Open Level By Name" is not able to find the map if the map is not added to "List of maps to include in a packaged build"

The "Open Level By Name" is not able to find the map to travel when the map is not included in the "List of maps to include in a packaged build" option. This issue was not happening in UE 5.3 and UE ...

Parameters are not copied and when copy pasting a child actor component of an actor to another actor.

Getting the Outer (GetOuter()) inside AssetUserData::PostEditChangeOwner added to an instanced actor in a level returns the Outer marked with "Trash"

When you call GetOuter() inside AssetUserData::PostEditChangeOwner, the Outer that is returned, is marked as "Trash". This is because the object is constructed again when an AssetUserData is added. ...

[AI] Incorrect collision for USplineMeshComponent

The collision for a spline mesh can be calculated incorrectly. The issue appears to be when Alpha is out of range when calculating the slice transforms at splice offsets. ...

Crash when duplicating component with Instanced property initialized with CreateDefaultSubobject

An editor crash can be observed when copy-pasting an actor with an actor component with an instanced object property when set to a non-default value. Detailed steps to reproduce are provided below. ...

FPropertySoftPath::Resolve doesn't resolve c-array elements properly

a fix was proposed in the UDN but it needs to be tested and revised ...

Diff against Workspace/Diff against Previous version doesn't work with OFPA actors

UDN reporting this: [Link Removed] ...

Adding a variable to a Structure after packaging then repackaging causes the package to fail

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Adding a variable to a Structure after packaging then repackaging causes the package to fail. ...