Legacy syntax was removed. Remote version accepts all options including url only as object.
$("#series").remoteChained({
parents : "#mark",
url : "/api/series.json"
});Passed in JSON can now be array of objects.
[
{ "" : "--" },
{ "series-1" : "1 series" },
{ "series-3" : "3 series" },
{ "series-5" : "5 series" },
{ "series-6" : "6 series" },
{ "series-7" : "7 series" },
{ "selected" : "series-6" }
]