Telegraf 1.19.2 has been released as a maintenance update with several improvements. The update includes changes such as updating to Go 1.16.6, linter fixes, and updated dependencies. Additionally, the new version introduces enhancements for various plugins like CGroup Input (cgroup), Kubernetes Inventory Input (kube_inventory), MongoDB Input (mongodb), NSQ Consumer Input (nsq_consumer), Prometheus Input (prometheus), SQL Input (sql), and more. The update also fixes issues related to SSL authentication failure, connection errors, and other plugin-specific problems.