ceph tentacle

As i understand that the new proxmox 9.2 ISo has ceph tentacle 20.x is default, but as i go through the upgrade process of "Ceph Squid to Tentacle" i found the following lines , kindly clarify ? https://pve.proxmox.com/wiki/Ceph_Squid_to_Tentacle Preparation on each Ceph cluster node Packages...