New update for Skype for Business came out yesterday, seems to only fix an issue with Windows 10 Edge users.
Updates for Skype for Business Server 2015
This article specifies the applicability of Microsoft Skype for Business Server 2015 updates for each server role.
Issues that the cumulative update resolves
- This cumulative update resolves an issue in which KB3095143 Windows 10 users who use Edge can't join a meeting from Skype for Business Web App.
Download @ KB3095143