Next generation Telemetry Agent for Logs, Metrics and Traces.

April 27, 2024


Release Notes v3.0.3

Fluent Bit is a Fast and Lightweight Data Processor and Forwarder for Linux, BSD, Windows and macOS. We are proud to announce the availability of Fluent Bit v3.0.3.

For people upgrading from previous versions you must read the Upgrading Notes section of our documentation:


What’s new ?

In a few words, this release add fixes for OpenTelemetry handling for Traces and Metrics, provides better performance for processors and add enhance some connectors (listed below).

Specific fixes per component:

  • Core
    • mp: use referenced values when composing CFL object
    • processor_content_modifier: use copied values for referenced values when converting
    • processor_content_modifier: use new CFL API to reference strings and bytes

  • Plugins

  • Libraries:


On every release, there are many people involved doing contributions on different areas like bug reporting, troubleshooting, documentation and coding, without these contributions from the community, the project won’t be the same and won’t be in the good shape that it is now. So THANK YOU! to everyone who takes part of this journey!

Join us

We want to hear about you, our community is growing and you can be part of it!, you can contact us at:

Latest Version

New release on June 11, 2024

Fluent Bit v3.0.7 is out!

Check out the Release Notes, read the Updated Documentation or jump directly to the Downloads Section.

We are part of a wide community, no vendor lock-in.