Since a recent version of zigbee2mqtt (likely since Koenkk/zigbee-herdsman-converters@4391877), the XHK1-UE alarm keypad no longer responds to arm/disarm/other actions. It results in topics like the ...
Some people remain old fashioned and John is one of them. He doesn't like new smart phones with full keypads and still uses the old keypads which require you to tap a key multiple times to type a ...