Rails 4.2.5.2 (February 26, 2016)

Rails 4.2.5.1 (January 25, 2015)

Rails 4.2.5 (November 12, 2015)

Rails 4.2.4 (August 24, 2015)

Rails 4.2.3 (June 25, 2015)

Rails 4.2.2 (June 16, 2015)

Rails 4.2.1 (March 19, 2015)

Rails 4.2.0 (December 20, 2014)

Please check 4-1-stable for previous changes.