Gluster.next is an umbrella term used to refer to the releases that are being evolved in the Gluster Community. As of now, we are working on features for 3.10 and 4.0 releases of Gluster.

3.8 is generally available as of June 2016.

3.9 is generally available as of November 2016, 3.10 will be available early in 2017.

Features planned for Gluster 3.10 can be found here.

Features planned for Gluster 4.0 can be found here.