Release 1.9.0
Release 1.9.0-beta.2
Release 1.9.0-beta.1
kops release 1.9.0 alpha.3
Release 1.9.0-alpha.2
Release 1.9.0-alpha.1
Release 1.8.1
Tag 1.8.0
Bump versions to 1.8.0-beta.2
Tag 1.8.0-beta.1