Guide how to upgrade to the 2.0 version¶ The following section will guide you through updating to the 2.0 release. Particular versions¶ 1.9.x Upgrade from 1.9.x series to the 2.0. 1.8.x Upgrade from 1.8.x series to the 2.0. 1.7.x Upgrade from 1.7.x series to the 2.0. 1.6.x Upgrade from 1.6.x series to the 2.0. 1.5.x Upgrade from 1.5.x series to the 2.0. 1.4.x Upgrade from 1.4.x series to the 2.0.