Microsoft has released an update for Skype for Business and Microsoft Lync 2013 on July 5, 2016. This update also includes the new Skype for Business client.
Lync 2013 (Skype for Business) (KB3115261) The version number of this update is 15.0.4841.1000
Skype for Business 2016 (KB3115268) The version number of this update is 16.0.4405.1000.
