v4.0.12

KNOWLEDGE BASE

Release Notes v4.0.12

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 v4.0.12.

Below is a detailed list of changes included in this release…

What’s new ?

Core

• router: do logic matching using tag length only (PR #10987)
• opentelemetry: logs: skip empty strings for TraceID and SpanID (PR #10962)
• reload
  • implement watchdog thread for hot reload timeout (PR #10985)
  • refactor watchdog to be preemptable on windows. (PR #10988)
• tests
  • internal: opentelemetry: add tests for empty traceid/spanid (PR #10962)
  • add hot reload watchdog timeout test (PR #10985)
  • internal: router: add edge cases for matching rules (PR #10987)
• config: add Hot_Reload.Timeout configuration option (PR #10985)

Plugins

• Splunk (Input)
  • return correct error response for http/1 handler. (PR #10939)
  • add record accessor support for tag key extraction and add listening info (PR #10991)
• Emitter (Input)
  • Resolve ring buffer gtliches on threaded mode with multiline parser (PR #10951)
• Forward (Input)
  • Fix user authentication mechanism to align Fluentd behavior (PR #10986)
  • Add a missing releasing users related contexts (PR #10986)
  • Handle shared_key lifetime correctly (PR #10986)
• HTTP (Input)
  • fix handling of URL encoded value (PR #10982)
  • add record accessor support for tag key extraction (PR #10991)
• Docker (Input)
  • add helper for container name parsing (PR #10984)
• Calyptia_fleet (Input)
  • Unify fleet config file caching across platforms (PR #10985)
  • Only commit fleet config when successfully reloaded (PR #10985)
• Dummy (Input)
  • add test flag for hot reload timeout testing (PR #10985)
• Elasticsearch (Input)
  • reimplement tag_key lookup with record accessor api (PR #10991)
• Opentelemetry (Output)
  • no longer reallocates the http2 setting string (PR #10963)
  • add configurable log resource limits (PR #10981)
  • add configurable log scope limits (PR #10981)
• File (Output)
  • sanitize incoming Tag to prevent path traversal (PR #10983)
• Log to Metrics (Filter)
  • Fix improper handling of record accessor context (PR #10980)

Join us

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

• Github: http://github.com/fluent/fluent-bit
• Slack: http://slack.fluentd.org
• Twitter: @fluentbit