Metasploit 5.0 is already been release to the wild.

Good news! It is a major improvement from the previous metasploit version.

The new Metasploit 5.0 functionality and features are like following:

1. PostgreSQL database can run as RESTful service where it can allow for multiple console on the tools itself.
2. Performance have been improved for regular ./msfconsole where they will be offloading some bulk operations
3. Additional tools and languages is enabled by JSON-RPC API
4. Additional web service framework is been include to exploit database and automation APIs
5. Now, Metaspoloit can be running in background sessions and communicate with shell session without upgrade to Meterpreter session
6. Python, Go and Ruby did support Metasploit in External modules

The user can download Metasploit over  here