June 06, 2016 v1.5.0
新しいのが出てました
ESXi Embedded Host Client

インストールは

# esxcli software vib install -d /vmfs/volumes/datastore1/patch/esxui-offline-bundle-6.x-39760
49.zip
Installation Result
   Message: Operation finished successfully.
   Reboot Required: false
   VIBs Installed: VMware_bootbank_esx-ui_1.5.0-3976049
   VIBs Removed: 
   VIBs Skipped:

アップデートは

# esxcli software vib update -d /vmfs/volumes/datastore1/patch/esxui-offline-bundle-6.x-39760
49.zip
Installation Result
   Message: Operation finished successfully.
   Reboot Required: false
   VIBs Installed: VMware_bootbank_esx-ui_1.5.0-3976049
   VIBs Removed: VMware_bootbank_esx-ui_1.1.0-3731936
   VIBs Skipped:
# esxcli software vib list |grep esx-ui
esx-ui                         1.5.0-3976049                        VMware           VMwareCertified     2016-07-02

再起動は必要ないです。