We are in the process of upgrading our Kubernetes based Vault setups to the latest version 1.7.0.
This release contains features, bug fixes and 4 CVE fixes (nobody was affected by this).
For full details and other changes, please refer to the upstream Vault release notes: https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#170
There are no next steps needed from your end. If required we will contact you to schedule the production upgrade.