Microsoft have released the latest updates to Exchange. The updates are:
Exchange Server 2016 Cumulative Update 4
Exchange Server 2013 Cumulative Update 15
- A New Outlook on the Web compose experience.
- Support for .Net 4.6.2
- Change to Pre-Requisites installed by Setup
- Media Foundation now required instead of Desktop Experience on Windows Server 2012 and later.
More details can be found on TechNet