Fluent Bit v4.2.3

List view

out_stackdriver: fix memory leaks in pthread resources and mutex

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11331

#11331 In fluent/fluent-bit;

· by erain was closed on Feb 4, 2026

ci: Run cron build only on fluent organization

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11329

#11329 In fluent/fluent-bit;

· by aminvakil was closed on Jan 29, 2026

plugin_proxy: enable event_type specification for proxy plugins (4.2 Backport)

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11241

#11241 In fluent/fluent-bit;

· by jmccormick7 was closed on Feb 17, 2026

filter_log_to_metrics: fix initialization and exception cleanup

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11428

#11428 In fluent/fluent-bit;

· by edsiper was closed on Feb 5, 2026

out_stackdriver: clean up oauth2 cache lifecycle

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11429

#11429 In fluent/fluent-bit;

· by edsiper was closed on Feb 5, 2026

in_splunk: Implement handling remote addr feature [Backport to 4.2]

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11465

#11465 In fluent/fluent-bit;

· by cosmo0920 was closed on Feb 17, 2026

aws: switch AWS Endpoints for European Souvereign Cloud [4.2 backport]

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11423

#11423 In fluent/fluent-bit;

· by ShelbyZ was closed on Feb 17, 2026

filter_wasm: Handle group metadata

backport to v4.1.x

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11305

#11305 In fluent/fluent-bit;

· by cosmo0920 was closed on Jan 5, 2026

filter_kubernetes: fix parser annotation leak

backport to v4.0.x

backport to v4.1.x

Status: Merged (completed).

fluent/fluent-bitnumber 11333

#11333 In fluent/fluent-bit;

· by erain was closed on Jan 5, 2026

bin: Handle CONT signal properly under leaks command

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11335

#11335 In fluent/fluent-bit;

· by cosmo0920 was closed on Jan 5, 2026

github: scripts: commit_linter: Handle bin prefix for fluent-bit.c

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11336

#11336 In fluent/fluent-bit;

· by cosmo0920 was closed on Jan 5, 2026

config_format: Align the behavior of dirname against POSIX in Windows

backport to v4.2.x

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11345

#11345 In fluent/fluent-bit;

· by cosmo0920 was closed on Jan 12, 2026

out_opentelemetry: on HTTP/2, read and process gRPC status code

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11347

#11347 In fluent/fluent-bit;

· by edsiper was closed on Jan 6, 2026

readme: update active branch 4.2

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11348

#11348 In fluent/fluent-bit;

· by edsiper was closed on Jan 6, 2026

github: scripts: commit_prefix_check: add config format rules on linter

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11346

#11346 In fluent/fluent-bit;

· by cosmo0920 was closed on Jan 6, 2026

maintenance: update branch and security EOL info

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11339

#11339 In fluent/fluent-bit;

· by edsiper was closed on Jan 6, 2026

copyright: update year to 2026

docs-required

Status: Merged (completed).

fluent/fluent-bitnumber 11325

#11325 In fluent/fluent-bit;

· by edsiper was closed on Jan 1, 2026

cmake: kafka: fix OAuth Bearer detection on Windows

docs-required

ok-package-testRun PR packaging testsRun PR packaging tests

Status: Merged (completed).

fluent/fluent-bitnumber 11294

#11294 In fluent/fluent-bit;

· by bp-cheng was closed on Jan 5, 2026

[out_opentelemetry] Missing mandatory 'te: trailers' header causes gRPC requests to be rejected by strict servers

fixed

opentelemetryFluent Bit + OpenTelemetry integrationFluent Bit + OpenTelemetry integration

Status: Closed (completed).

#11332 In fluent/fluent-bit;

· by Watson1978 was closed on Jan 6, 2026