Will Backbone still send the whole representation of the object to the server when using PATCH? It's something that's always bugged me how I end up sending way

Will Backbone still send the whole representation of the object to the server when using PATCH? It's something that's always bugged me how I end up sending way too much stuff to the server. Great release anyway the event handling is more than welcome and Backbone has been a joy to use for the past few months. Thank you for that.