Portainer 2.45 LTS brings native Kubernetes RBAC and automated image cleanup to self-hosters

On August 27, 2026, Portainer moved its LTS line from 2.39.6 to 2.45.0, consolidating a year of short-term releases. The part that matters is not cosmetic: Pod Security Standards, native Kubernetes RBAC, and scheduled image pruning now live inside the UI.