Upgrade guides are available for:
Upgrade Scylla Enterprise from 2020.x.y to 2020.x.z on Red Hat Enterprise Linux and CentOS
Upgrade Scylla Enterprise from 2020.x.y to 2020.x.z on Ubuntu 16.04
Upgrade Scylla Enterprise from 2020.x.y to 2020.x.z on Ubuntu 18.04
Upgrade Scylla Enterprise from 2020.x.y to 2020.x.z on Debian 9
Upgrade Scylla Enterprise from 2020.x.y to 2020.x.z on Debian 10