Every ESXCLI namespace and command for ESXi 6.x, 7.0, 8.0 and ESX 9.x: search, expand by level, and see what each release added or removed. Data: Broadcom ESXCLI Command Reference 7.0.0–9.1.0 and the ESXi 6.x list on this site.
Static mindmaps: 6.x · 7.0 · 8.0 · 9.0 · 9.1. Full command lists: ESXi 6.x · ESXi 7.0 · ESXi 8.0 · ESX 9.x. What changed: ESXCLI changes in ESX 9.0 and 9.1. Other interactive mindmaps: NSX CLI · Cisco UCS Manager CLI · VCF CLI.