please Sir , give some care to facebook , check the sever requests specially about group chat cause it's really changed in web , please Sir , without facebook plugin no need for Miranda , i use it for only facebook , please test it and let other peoples test it , cause not all facebook account is same due difference of the facebook's servers databases .
please sir , let other peoples test it and tell me what you found , we all here try to help each other and fix problem
With my respect and waiting your updates