This page has moved. The list of new ESXCLI namespaces in ESXi 8.0 is now maintained in New ESXCLI Commands Details in vSphere 8.0, together with the --help output of each command.
According to Broadcom’s ESXCLI reference, the commands that are new in 8.0.0 compared with 7.0.3 include daemon entitlement, hardware devicecomponent, nvme device config/feature, storage osdata, storage vvol vmstats and vsan storagepool. network ip hosts, system health report and system syslog config logfilter already existed in 7.0 Update 2/3.