Currently the planned schedule is as follows:
Nov 2014 - 3.1.0 Release
May 2015 - 3.0.x End of Maintenance
Nov 2015 - 3.0.x End of Life, 3.2.0 Release
May 2016 - 3.1.x End of Maintenance
Nov 2016 - 3.1.x End of Life, 3.3.0 Release
May 2017 - 3.2.x End of Maintenance
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