Sigma recently has registered a new USB Dock UD-11SE for Sony E-mount mirrorless lenses. It allows you to connect your Sigma Global Vision lenses to your computer in order to update firmware and adjust focus setting parameters using the Sigma Optimization Pro software.
Sigma USB Dock
New Sigma USB Dock UD-11EM Registered
According to Nokishita Camera, a new version of Sigma USB dock UD-11EM now has been registered at Korean certification bodies. The official announcement for this new Sigma USB Dock UD-11EM is expected in next few weeks.