Upgrading from v1.17 to v1.18

Before upgrading cert-manager from 1.17 to 1.18, please read the following important notes about breaking changes in 1.18:

1. We have changed the default value of Certificate.Spec.PrivateKey.RotationPolicy from Never to Always.

   📖 Read Release 1.18 notes for more information..

2. We have changed the default value of Certificate.Spec.RevisionHistoryLimit from nil to 1.

   📖 Read Release 1.18 notes for more information..

Next Steps

From here on, you can follow the regular upgrade process.