We want to be able to support sorting, paging & filtering of nested documents. So given “transactions” records like ``` { user : { name : string, dob:date }, created: date, amount: int }} ``` You should be able to query things like: ?sort=user.name ?fields[transaction]=user.name ?filter[user.name][eq]=whatever We’ve considered using a different framework, and are happy to contribute if a design is agreed.