These notes are for upgrading from Zabbix 6.2.x to Zabbix 6.4.0. All notes are grouped into:
Critical- the most critical information related to the upgrade process and the changes in Zabbix functionality
Informational- all remaining information describing the changes in Zabbix functionality
It is possible to upgrade to Zabbix 6.4.0 from versions before Zabbix 6.2.0. See the upgrade procedure section for all relevant information about upgrading from previous Zabbix versions.