4.17.1>/lib/response.js <express 4.17.2>/lib/response.js … if (arguments.length === 2) { - // res.json(body, status) backwards compat + // res.jsonp(body, status) backwards compat if (typeof arguments[1] === 'number') { - deprecate('res.jsonp(obj, status): Use res.status(status).json(obj) instead'); + deprecate('res.jsonp(obj, status): Use res.status(status).jsonp(obj) instead'); this.statusCode = arguments[1]; } else { … - * or when an error occurs. Be sure to check `res.sentHeader` + * or when an error occurs. Be sure to check `res.headersSent` … - * 'appliation/json': function(){ + * 'application/json': function () { … % gumtree cluster <express 4.17.1>/lib/response.js <express 4.17.2>/lib/response.js … New cluster: UPDATE from 'res.jsonp(obj, status): Use res.status(status).json(obj) instead' to 'res.jsonp(obj, status): Use res.status(status).jsonp(obj) instead' ------------ === update-node --- Literal: 'res.jsonp(obj, status): Use res.status(status).json(obj) instead' [6600,6666] replace 'res.jsonp(obj, status): Use res.status(status).json(obj) instead' by 'res.jsonp(obj, status): Use res.status(status).jsonp(obj) instead' https://github.com/expressjs/express/compare/4.17.1...4.17.2