KNOWLEDGE BASE

Release Notes v4.0.3

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 v4.0.3.

What’s new ?

Core

• engine
  • Fix segfault in flb_config_init error case (PR #10355)
  • enhance input grace period delay shutdown for pending tasks and chunks (PR #9952)
  • optionally send backlog chunks on shutdown (PR #9952)
• http_client: fix mutipart HTTP/2 request not working (PR #9818)
• wasm: Enable reference types feature on wasm (PR #10361)
• strptime: add support for timezones abbreviations (PR #10379)
• input_thread: exit on failures to initialize threaded plugin instances (PR #10354)
• gzip: fix handling of concatenated payloads (PR #10204)
• log: add new metrics context (PR #10397)
• metrics_exporter: concatenate new log metrics context (PR #10397)
• config: add new global storage.backlog.flush_on_shutdown property (default: off) (PR #9952)
• custom: Implement plugin proxy for Golang custom plugins (PR #10299)
• input_thead: fixed threaded input processor initialization (PR #10402)
• input: fixed threaded input processor initialization (PR #10402)
• utils: add missing SIMD highbit_set check for JSON escaping (PR #10401)
• simdutf_connector
  • reduce copying (PR #10328)
  • skip UTF-16 BOM (PR #10328)

Libraries

• CFL: upgrade to v0.6.1 (PR #10380)
• Monkey: upgrade to v1.8.4 (PR #10380)
• CMetrics: upgrade to v1.0.3 (PR #10380)

Plugins

• Node_exporter (Input)
  • removed unnecessary optimization that caused crash (PR #10347)
• Opentelemetry (Input)
  • Add new configurable logs_body_key property (PR #10335)
  • handle exception on unsupported compress format (PR #10410)
• Winevtlog (Input)
  • add support for remote access of winevtlog (PR #10368)
• Forward (Input)
  • update concatenated gzip payload handling (PR #10204)
  • Check return values from mutex functions (PR #10399)
  • fix username matching logic and validate allocation (PR #10407)
• Tail (Input)
  • Detect and skip UTF-8 BOM (PR #10328)
• Exec_wasi (Input)
  • change wasm_runtime_call_wasm to wasm_application_execute_main to support latest version of tinygo (PR #10032)
• Tcp (Input)
  • fix parsed bytes to include separator length (PR #10385)
• HTTP (Input)
  • validate memory allocation and fix object type on tag key (PR #10408)
• Parser (Filter)
  • add record accessor feature to filter parser (PR #10366)
• Sampling (Processor)
  • fix spans reconcile logic (fixes #10248) (PR #10391)
• Opensearch (Output)
  • Prevent a SIGSEGV when ctx->index is NULL (PR #10365)
• Azure_blob (Output)
  • added filesystem buffering support (PR #10263)
• Elasticsearch (Output)
  • Prevent a SIGSEGV when ctx->index is NULL (PR #10353)
• Azure_kusto (Output)
  • support for OpenTelemetry Log schema (#10173) (PR #10173)
  • fix segfault when log level is debug or trace (PR #10409)

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