Version 1.0 (active 3 July 2014 – 28 December 2014)

Version 1.1 (active 29 December 2014 – 24 July 2015)

Version 2.0 (active 25 July 2015 – 22 July 2016)

Version 3.0 (active 23 July 2016 – 25 June 2017)

Version 4.0 (active 20 June 2017 – 18 July 2018)

Version 5.0 (active 18 July 2018 – 4 July 2019)

Version 6.0 (active 4 July 2019 – 7 July 2020)