All editions (Cluster, Professional, Composer) of the Intel® Parallel Studio XE 2016 Update 1 for Linux* and OS X*are now available from the Intel Registration Center. You may also receive an email from Intel about this.
Here is what's new the Intel® Parallel Studio XE 2016 Update 1 release.
Additional compiler details are available in the Intel® Fortran Compiler 16.0 Release Notes.