Red Hat Software Collections 2.2 will be the second maintenance release in the stable 2.x series of Red Hat’s collection of open-source web development tools, databases, and dynamic languages, bringing MariaDB 10.1, PostgreSQL 9.5, MongoDB 3.2, Node.js v4.2.2, Ruby 2.3, Python 3.5, Rails 4.2, Maven 3.3, Apache 2.4, and Thermostat 1.4.