2.0 Upgrade Guide¶ The following section will guide you through updating your code to the 2.x series of releases. Particular versions¶ 2.0.x Upgrade from 2.0.x series to the 2.1. 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.