AWS – Announcing event logging and self-upgrade capabilities in SSM Agent, with new version 3.0
AWS Systems Manager Agent (SSM Agent) version 3.0 logs agent start and update events, and you can make these events trigger actions via alarms in Amazon CloudWatch. Additionally, in SSM Agent version 3.0, you can elect to have SSM Agent self-upgrade when the previously installed version of the agent is deprecated.
Read More for the details.