@ Joost Thx a lot for the workaround. --- I did some tests with textools. It works only per object, without instanced unwrap modifiers - means, u can't use it with multiple objects with an unwrap modifier (instance) on top of your objects.
You can use XView for overlapping UV selection Views->XView->Overlapping UV's than pick Views->XView->Select Results Only problem is, that the object has to be a collapsed edit mesh/or poly object no stack or edit mesh/edit poly modifier Pretty stupid limitation, as it would be great if XView would simply place a "Mesh…