Telegraf v1.39.3 released on 10-08-2026
Telegraf v1.39.3 is out now. It delivers correctness and stability fixes across several collectors, processors, parsers and serializers for affected plugins.
See the project’s GitHub release page for the full changelog, platform binaries and SHA256 checksums.
What’s in this release
- inputs.cisco_telemetry_mdt now checks attribute message length to avoid malformed telemetry handling
- inputs.execd respects Influx parser parameters
- serializers.prometheusremotewrite accumulates multiple samples per series in a batch to improve Prometheus Remote Write correctness
Upgrade notes
- No breaking changes or deprecations are listed in the release notes; review the plugin fixes (for example inputs.redfish, parsers.avro, processors.filepath) and test upgrades in a staging environment.
- Download binaries from the release assets and validate the SHA256 checksums before deployment; to roll back, reinstall a prior Telegraf release from the project’s release assets.
Share any comments or issues on the project’s GitHub issue tracker to let the maintainers know how the fixes behave in your environment.
