Chained is now stable and in feature freeze. In 2.x version class support will be removed. Next major version will use data attributes will be used instead. After all, it is 2014 already! Legacy syntax removed Stable version removes legacy syntax. It is not 100% compatible with 0.9.x branch. You must pass all options to remote version as JavaScript object. Example of all possible options below. $("#series").remoteChained({ parents:"#mark", url:"/api/series.json", depends:"#series", loading:"L...