Sometimes generic "changed" signal is too much and only changes in specific child are important (but since child can be changed, listening to current is not an option).
Sometimes generic "changed" signal is too much and only changes in specific child are important (but since child can be changed, listening to current is not an option).
Sometimes generic "changed" signal is too much and only changes in specific child are important (but since child can be changed, listening to current is not an option).
Perhaps it might be better to use NodeTree & add signals there for these matters..