The now officially (not just for partners) released Oracle SPARC and Solaris roadmap, quite contrary to the recent FUD which was spread in the Internet at the end of 2016.
Oracle also announced Solaris 11 premier support until 2031, extended support until 2034.
Solaris moves to a Continous Delivery Model, basically similar to Microsoft's strategy: They will releases updates more often as dot releases, instead of rather disruptive major releases.
Oracle Cloud has been moved entirely to the SPARC M7 platform, running on SPARC Model 300 servers.
Read the full details here: https://blogs.oracle.com/solaris/entry/oracle_solaris_moving_to_a