What is the best method to sort a list by nested fields and display a loading during updates to the list?

[ademiguel]

There are topics in the forum covering your questions

@Lumyna

what is the best method you use to sort lists by nested fields?

Sort by nested fields

Sorting Repeating Group on Child Fields - #2 by adamhholmes
Sorting on child fields in Repeating Group

@Lumyna

what is the most appropriate method to display a loading icon while the RG is loading or when it is updated with a certain delay?

Loading animation while RG is loading

Loading animation while repeating group loads
How to create a repeating group loading / Lazy Loading?