Telegraf 1.8.1 has been released, featuring improvements in performance and functionality, including updates to its Basic Stats aggregator, Cloudwatch output, GROK parser, HTTP Listener input, OpenTSDB output, SQLServer input, vSphere input, x509 Cert input, with bug fixes for issues such as adding tags with empty values, resolving panics during network errors, and fixing metrics discrepancies due to clock inconsistencies.