...
Current version: Skype for Business 2015 Enterprise March 2018 CU6HF2
Latest version: 
| Info | ||
|---|---|---|
| ||
The update to the latest version (6.0.9319.534) is scheduled on 15th of september 2018. |
Compatability matrix
- Desktop clients: https://technet.microsoft.com/en-us/library/gg412781.aspx
- Mobile clients: https://technet.microsoft.com/en-us/library/dn951412.aspx
...