See Fedora Upgrade Notes for upgrade requirements across releases
Fedora 4 Software Releases
Fedora 4.7.1
Release date: 24 January 2017
Fedora 4.7.0
Release date: 1 November 2016
Fedora 4.6.1
Release date: 17 November, 2016
Fedora 4.6.0
Release date: 31 August, 2016
Fedora 4.5.1
Release date: 29 April, 2016