https://fluentbit.io/announcements/v4.2.0/

What's Changed

• release: update to 4.1.2 by @github-actions[bot] in https://github.com/fluent/fluent-bit/pull/11005
• reload: fix race between watchdog start and setting async cancellation by @stoksc in https://github.com/fluent/fluent-bit/pull/11012
• storage: fix heap corruption in chunk sort parser by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11017
• in_calyptia_fleet: add support for net.* properties for the upstream connection. by @pwhelan in https://github.com/fluent/fluent-bit/pull/10998
• in_forward: fix username parsing by @edsiper in https://github.com/fluent/fluent-bit/pull/11026
• in_forward: Fix incorrect user auth sequence by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11028
• workflows: Make not to be the latest release for 4.0 branch by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/10993
• build: bump to v4.2.0 by @edsiper in https://github.com/fluent/fluent-bit/pull/11037
• security: update versions and general info by @edsiper in https://github.com/fluent/fluent-bit/pull/11038
• help: add space for outputs and processors when generating schema. by @pwhelan in https://github.com/fluent/fluent-bit/pull/11020
• opentelemetry: traces: unify JSON to ctrace encoder by @edsiper in https://github.com/fluent/fluent-bit/pull/11042
• routing: add new routing mechanism for input plugins by @edsiper in https://github.com/fluent/fluent-bit/pull/11041
• mp: extend cobj API to expose group metadata and attributes by @edsiper in https://github.com/fluent/fluent-bit/pull/11043
• in_node_exporter_metrics: add netstat linux collector by @edsiper in https://github.com/fluent/fluent-bit/pull/11052
• fstore: safe check on fsf file deletion by @edsiper in https://github.com/fluent/fluent-bit/pull/11050
• workflows: Handle 4.1 branches events and fix type inference errors for 4.0 branch by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11062
• router: add conditional support for Logs by @edsiper in https://github.com/fluent/fluent-bit/pull/11055
• aws_credential_sts: internal: Fix unit test failures by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11077
• workflows: bump actions/upload-artifact from 4 to 5 by @dependabot[bot] in https://github.com/fluent/fluent-bit/pull/11075
• workflows: bump actions/download-artifact from 5 to 6 by @dependabot[bot] in https://github.com/fluent/fluent-bit/pull/11074
• router_condition: Fix unconditional route check in routing by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11087
• out_vivo_exporter: add versioned API endpoints by @edsiper in https://github.com/fluent/fluent-bit/pull/11040
• router: add contexts to conditional support for direct route paths by @edsiper in https://github.com/fluent/fluent-bit/pull/11091
• snap: Upgrade snap from core18 to core20 by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11069
• doc-reports: add cncf audit report by @DavidKorczynski in https://github.com/fluent/fluent-bit/pull/11056
• chunks: extend metadata to support routing information (direct routes) by @edsiper in https://github.com/fluent/fluent-bit/pull/11097
• workflows: bump helm/kind-action from 1.12.0 to 1.13.0 by @dependabot[bot] in https://github.com/fluent/fluent-bit/pull/11100
• CODEOWNERS: update AWS maintainers and cleanup by @edsiper in https://github.com/fluent/fluent-bit/pull/11109
• dockerfile: removed unused DLLs from image for Windows Containers by @mabrarov in https://github.com/fluent/fluent-bit/pull/10233
• kafka: fix cmake cross compile error by @ThomasDevoogdt in https://github.com/fluent/fluent-bit/pull/9600
• build: workflows: Add a rules for checking incompatible types strictly by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/10655
• tls: openssl: output: Handle certificates thumbprints by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11009
• in_syslog: Add support for RFC 6587 octet-counting by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11035
• wasm: Plug wasm heap leakages by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11076
• scheduler: engine: output_thread: Plug macOS abort on dry-run by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11099
• router: extend router interface to support metrics (v3) by @edsiper in https://github.com/fluent/fluent-bit/pull/11108
• out_s3: Add a NULL check for plugging SEGV on dry_run by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11117
• build: Add workdir option for the default registration of Windows service by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11124
• packaging: add missing SASL dependencies for Rocky/AlmaLinux by @patrick-stephens in https://github.com/fluent/fluent-bit/pull/11127
• fix: Make TLS initialization thread-safe and idempotent using pthread_once by @ThomasBrady in https://github.com/fluent/fluent-bit/pull/11090
• out_opensearch: release aws signature a retry or error happens by @edsiper in https://github.com/fluent/fluent-bit/pull/11140
• routing: extend input name resolution for safer direct route paths by @edsiper in https://github.com/fluent/fluent-bit/pull/11141
• motd: add 4.2 banner by @edsiper in https://github.com/fluent/fluent-bit/pull/11142
• org: update organization status change by @edsiper in https://github.com/fluent/fluent-bit/pull/11143
• out_http: Plug a NULL dereference by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11034
• out_http: Added PUT support by @nicknezis in https://github.com/fluent/fluent-bit/pull/10882
• routing: introduce metrics for unmatched (dropped) logs by @edsiper in https://github.com/fluent/fluent-bit/pull/11144
• in_tail: Implement long line truncation by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11059
• in_systemd: always reset cursor before iterating fields by @edsiper in https://github.com/fluent/fluent-bit/pull/11073
• packaging: add -L flag to curl for redirect support by @sakshitposting-irl in https://github.com/fluent/fluent-bit/pull/11137
• storage: config: engine: Introduce dead letter queue by @cosmo0920 in https://github.com/fluent/fluent-bit/pull/11000
• filter_kubernetes: use service account issuer to detect EKS env (compiler fix) by @edsiper in https://github.com/fluent/fluent-bit/pull/11146
• workflows: staging-release: add v4.2 by @edsiper in https://github.com/fluent/fluent-bit/pull/11153

New Contributors

• @nicknezis made their first contribution in https://github.com/fluent/fluent-bit/pull/10882
• @sakshitposting-irl made their first contribution in https://github.com/fluent/fluent-bit/pull/11137

Full Changelog: https://github.com/fluent/fluent-bit/compare/v4.1.1...v4.2.0