FWIW, I've noticed that my Alfred DB1 frequently fails to report status changes to the hub. It's weird, as I will see battery % updates in the log around the same time the lock was locked or unlocked manually, but no log entry for the lock/unlock.
It's getting to be a pain, as automations which use the lock status or trigger on the lock/unlock events are failing regularly.
I don't know if it's related, but I also find that Alfred's One Touch Unlock feature is not at all reliable. When I first set it up it was working well, but after a while I find myself having to enter my PIN to unlock the door after returning home.
Edit: Looks like there are a few other threads with people experiencing similar issues over time, such as this one: Bug Report: Alfred Lock device Refreshing - Get Help / Devices - Hubitat