@Christoph-Hart you can see in the video that the network itself gets saved to a file. This happens by default when you Save XML.
Doesn't a network (in this case UpDown) have to be a file in order to be importable into another network as a node?
Why wouldn't hitting Save XML also save the changes in the external/child network?
Can something be done about the UX of making changes there where a reload of the entire host network (either by ejecting it and loading it back or by reloading HISE) is necessary when any changes are made to the external/child network and Save XML is executed?
Any networks that also host the changed network should automatically reload when the project is saved.