Telegraf 0.11 has been released, featuring support for TCP and UDP input plugins, as well as three new plugins for gathering system metrics: NTP Query, Processes, and Kernel. The release includes various features such as improved InfluxDB retention policies, default timeouts for input plugins, and bugfixes addressing issues with the sensor plugin, Librato output plugin, and others. This update provides users with more flexibility and accuracy in collecting system data, making it a significant improvement over previous versions.