Native Linux Install Experience: The driver can now be installed with apt-get (Ubuntu), yum (RedHat/CentOS) and Zypper (SUSE). Instructions on how to do this is below.
AlwaysOn Availability Groups (AG): The driver now supports transparent connections to AlwaysOn Availability Groups. The driver quickly discovers the current AlwaysOn topology of your server infrastructure and connects to the current active server transparently.
TLS 1.2 support: The driver now supports TLS 1.2 connections to SQL Server.
These are some nice additions. None of them are groundbreaking, but they add up to a nice release. Click through for instructions on how to install the driver; it got a lot easier for supported platforms.