Guide how to upgrade to the 2.0 version

The following section will guide you through updating to the 2.0 release.

Particular versions

Upgrade from 1.9.x series to the 2.0.

Upgrade from 1.8.x series to the 2.0.

Upgrade from 1.7.x series to the 2.0.

Upgrade from 1.6.x series to the 2.0.

Upgrade from 1.5.x series to the 2.0.

Upgrade from 1.4.x series to the 2.0.