Skype for Business Server 2019 Cumulative Update KB4470124

Microsoft have released the first cumulative update for Skype for Business Server 2019

http://www.microsoft.com/downloads/details.aspx?familyid=de77f3bc-efd5-4dab-a2fb-81e2894b0937

According the the post the update enables Location-Based Routing to support Skype for Business mobile clients. It also fixes the following issue:

KB ID 12290 and "The evaluation period... has expired" error during deployment by using Skype for Business Server 2019 evaluation software