We provide the means for the collection, organization and computerized retrieval of knowledgeand Lightweight Data Forwarder for Linux, BSD, macOS and Windows.

February 6, 2023


NOTE: This is a minor hotfix release that covers for corner cases for metrics handling. We keep same release notes as part of v2

Release Notes v2.0.9

Fluent Bit is a Fast and Lightweight Data Processor and Forwarder for Linux, BSD and OSX. We are proud to announce the availability of Fluent Bit v2.0.9.


Fluent Bit v2.0 is the start of the new stable series of the project. During the last months our primary focus has been around extending support for Metrics, Traces and improving performance, among many others.


Fluent Bit v2.0 is the stable release!, new changes on this version:

  • Core

    • bin: fix handling of buffer for text helper
    • tls: openssl: add SSL_ERROR_SYSCALL case (#6489)
    • stream: fixed an condition that caused concurrency issues
    • parser: logfmt: optionally reject messages that have keys without values
    • parser: fix overflow
    • aws: util: extra_user_agent is always type flb_sds_t
    • init: systemd: allow to set environment variables from file
    • proxy: fix memory bugs when use same golang output plugin multiple times (#6469)
    • security policy: update supported versions (#6505)
    • wasm: release buffer if error occurred
    • wasm: fix memory handling error
    • dockerfiles: update systemd to v251.3 (#6508)
    • config: cf_fluentbit: print config file load error (#6575)
    • calyptia: fix segfault when concatenating custom configuration. (#6553)
    • calyptia: concatenate configuration as raw strings. (#6529)
  • Libs

    • cfl: upgrade to v0.2.0
  • Plugins


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.