notifications group

Is this a bug? Or the rom doesn't have group notifications enabled? I am on miui 12.5.5 in poco x3 pro, when I first started the rom I had the option of group notifications, I activated them, then when I left and re-entered configuration I no longer saw the option to activate them, until now I...

Hello, Couple of days ago i cleaned up my sms inbox and deleted all notification / service sms under the handy group created automatically. Since the deletion of the messages the group disappeared from my inbox and all notification and services sms are mixed with normal sms which is very...