It would be great if we would have some additional information about host automatically generated and stored.

For example:

• Date and time of first registration/contact of the host
• Date and time of last contact with the host ( I know we have this already with the zabbix.ping item for example. But it would be great if we would have this property on the hand in API and the frontend too ).
• Date and time of the last auto-register action

All that nicely present in the frontend in some ways. For example in the Inventory > Hosts > Overview View. Also a new Reports > Newest Hosts and Reports > Not available Hosts would be a great combination then.

I don't mean additional items for that all but really properties to the host that are handled by zabbix itself. It would help in big installations to get more insights and also in highly dynamic situations like with containerized things or dynamically generated infrastruction in Clouds (Azure, AWS, etc.).

Providing this uniformed infos for each host over the API would also make it attractive for enterprise usage as one might have to couple Zabbix to a external Inventory/CMDB.