We provides the means for the collection, organization and computerized retrieval of knowledgeand Lightweight Data Forwarder for Linux, BSD and OSX. We are proud to announce the availability of Fluent Bit v1.4.2.

April 1, 2020


Release Notes v1.4.2

Fluent Bit is a Fast and Lightweight Data Forwarder for Linux, BSD and OSX. We are proud to announce the availability of Fluent Bit v1.4.2.

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



Fluent Bit v1.4.2 is the next patch release on v1.4 series and comes with the following changes:

List of general changes


  • build
    • use cmake variable magic instead of cmake (#2048)
    • fix cmake set() parameters order


  • runtime_shell: in_tail: fix config to verify exclusion


  • Tail (Input)
    • On purge rotated files, check for deleted files (#794)
    • Fix configmap flag for exclude_path and exclude iteration (#2064)
  • Rewrite_Tag (Filter)
    • Enable filesystem buffering through option emitter_storage.type (#2067)
    • Fix on-exit leak for property emitter_name (#2066)
  • Pgsql (Output)
    • Fix escaping issue (#2059) (#2062)
  • File (Output)
    • Fix wrong assignment to ctx->template (#2070)
  • Kafka (Output)
    • Adjust kafka logs to fluent bit log levels
    • Fix usage for opaque data for callbacks


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!

Since the list grows every time, it’s hard to mention every single person involved. In a best effort possible, we are mentioning people who have signed contributions in our GIT project history through commits. We would like to thanks to the following people who have been involved doing coding, bug fixes, documentation and general contributions on this release:

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 Mar 29, 2024

Fluent Bit v3.0.1 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.