Analysis of information sources in references of the Wikipedia article "Joomla" in English language version.
Version 1.6 will reach end of life on 19 August 2011.
Version 1.7 will reach end of life on 24 February 2012.
Joomla! 1.5 EOL (End of Life) notice - Sept 2012.
End of Life: 3.4 release
End of Life: 3.5 release
End of Life: 3.6 release
End of Life: 3.7 release
End of Life: 3.8 release
End of Life: 3.9 release
End of Life: 3.10 release
End of Life: 4.1 release
End of Life: 4.2 release
End of Life: 4.3 release
