Here is my corrected items definition which uses the latest and greatest Dorita / REST API version/responses:
Number roombaBattery "Roomba Battery [%d %%]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.batPct)]" }
Number roombaBatteryTime "Roomba Battery Time [%.0f min]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.expireM)]" }
Number roombaRechargeTime "Roomba Recharge Time [%.0f min]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.rechrgM)]" }
Number roombaError "Roomba Error [%d]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.error)]" }
String roombaInitiator "Roomba Initiator [%s]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.initiator)]" }
String roombaCycle "Roomba Cycle [%s]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.cycle)]" }
String roombaPhase "Roomba Phase [%s]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.phase)]" }
Number roombaCoverage "Roomba Mission Coverage [%.0f sq ft]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.sqft)]" }
Number roombaTime "Roomba Mission Time [%.0f min]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.cleanMissionStatus.mssnM)]" }
Contact roombaBinPresent "Roomba Bin Present [%s]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.bin.preset)]" }
Contact roombaBinFull "Roomba Bin Full [%s]" <roomba> { http="<[http://API_IP:API_PORT/api/local/info/mission:60000:JSONPATH($.bin.full)]" }
Switch roombaMission "Roomba Start" <roomba> { http=">[ON:GET:http://API_IP:API_PORT/api/local/action/start] >[OFF:GET:http://API_IP:API_PORT/api/local/action/stop]" }
Switch roombaPause "Roomba Pause" <roomba> { http=">[ON:GET:http://API_IP:API_PORT/api/local/action/pause] >[OFF:GET:http://API_IP:API_PORT/api/local/action/resume]" }
Switch roombaDock "Roomba Dock" <roomba> { http=">[CHANGED:GET:http://API_IP:API_PORT/api/local/action/dock]" }