Update the kubegres only effects the last statefulset

[edwardzjl]

I have a cluster of 3 instances running.
When I update the manifests, for example upgrade postgres version from 15.0 to 15.8, then run kubectl apply -f kubegres.yaml, only the last statefulset, postgres-3-0 got updated.
postgres-1-0 and postgres-2-0 remains untouched.

[alex-arica]

Could you please share the contents of the YAML ?
What is the environment that you used to deploy Kubegres (Kubernetes version, etc...)?