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 v1.8.10.

Release Notes v1.8.12

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 v1.8.12.

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



Fluent Bit v1.8.12 is the stable release!, new changes on this version:


  • tls: openssl: fix error handling for OpenSSL apis (#4584)
  • input chunk: correctly calculate the difference when chunks grow (#4318) (#4461)
  • parser: if multiline parser is set, get the reference
  • network: properly react to being awoken due to a timeout
  • network: preserve addrlinfo list release address
  • network: argument type error correction
  • network: added net.dns.prefer_ipv4 result priorization option
  • build: add a sample config file for Windows
  • upstream: moved event injection and implemented timeout wakeup mechanism
  • upstream: add new option net.connect_timeout_log_error (#4473)
  • input_chunk: warn the user about tag truncation due to limits (#4467)
  • dockerfiles: backport systemd lib fixes from #3177 to 1.8 (#4567)


  • tests: internal: timeout: added coroutine hang test case (#4605)
  • tests: runtime: add tests for multiline filter
  • tests: runtime: in_tail: new multiline + json + regex test


  • lib: mbedtls: upgrade from v2.27 -> v2.28
  • lib: monkey: sync inject enhancement and list fixes (#4623)
  • lib: monkey: sync fix for config reader



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:

Lastest Version

New release on September 29, 2022

Fluent Bit v1.9.9 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.