Telegraf v1.38.0 released on 09-03-2026
Telegraf v1.38.0 is out now. The headline change makes strict environment variable handling the default, which will affect operators and CI/pipeline setups that relied on the previous, looser behaviour.
See the GitHub release notes and the project download pages for full details, packages and checksums if you need to plan an upgrade or verify artefacts.
What’s in this release
- Strict environment variable handling is now the default; opt out with the new –non-strict-env-handling flag.
- New plugins added: inputs.sip and outputs.influxdb_v3.
- Notable feature improvements including an optimised agent disk buffer strategy, OPC UA updates (string node ID and datetime array support), and output enhancements such as HTTP protocol support for OpenTelemetry and batch writes for MongoDB.
Upgrade notes
- Behaviour change: strict env handling may break setups that depended on the old behaviour — start Telegraf with –non-strict-env-handling to retain the previous behaviour while you update configurations or CI pipelines.
- Release packages and checksums for multiple architectures have been published; use the published artefacts to validate upgrades or to reinstall a known-good version if you need to roll back.
Share any upgrade experiences or issues on the project GitHub so others can benefit from your checks and fixes.