Fluent Bit release notesRSS

New features

• Native packages are now available for Debian 13 (Trixie).
• Native packages are now available for Windows Server 2025 (LTSC).
• The Fluent Bit Output Plugin Docker image now publishes a Windows Server 2025 (LTSC) variant.

Improvements and enhancements

• Fluent Bit is upgraded to version 5.1.5. For more details, refer to the Fluent Bit announcements.
• This release includes New Relic Fluent Bit Output Plugin 3.12.0.
• The infrastructure agent recommends Fluent Bit 5.1.5 packages for Linux and Windows.
• The Fluent Bit Output Plugin Docker image for Linux uses Fluent Bit 5.1.5 with output plugin 3.12.0. The Windows image variants include output plugin 3.12.0 and keep their existing Fluent Bit versions: 5.1.2 for Windows Server 2022 and 2025, and 4.0.3 for Windows Server 2019.
• The New Relic Logging Helm chart is bumped to version 1.44.0 and installs the new plugin image.
• Debian 11 (Bullseye) packages are no longer built because the distribution reached end of life.

Security updates

• The Go version is upgraded to 1.27.3 for CVE fixes, including blocking the compromised eMudhra intermediate CA keys.
• The Linux Docker image no longer trusts the emSign ECC Root CA - G3 and AAA Certificate Services root certificates.

Notes

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Support for Fluent Bit 5.0.8

Users will now receive Fluent Bit version 5.0.8. For more details, refer to the Fluent Bit announcements.

This release includes New Relic Fluent Bit Output Plugin 3.7.0.

Added

• New Relic Fluent Bit Output Plugin 3.7.0 integration

Changed

• The Go version is upgraded to 1.26.4 for CVE fixes
• The Infrastructure agent recommends Fluent Bit 5.0.8 packages (Linux) and 5.0.7 (Windows)
• Fluent Bit Output Plugin Docker image uses Fluent Bit 5.0.8 with output plugin 3.7.0
• New Relic Logging Helm chart installs the new plugin image
• Windows Docker image uses Fluent Bit 5.0.7 (5.0.8 Windows image not yet available upstream)

Notes

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Support for Fluent Bit 5.0.6

Users will now receive Fluent Bit version 5.0.6. For more details, refer to the Fluent Bit announcements.

This release includes New Relic Fluent Bit Output Plugin 3.6.0.

Added

• Support for Ubuntu 26.04 (Resolute)
• New Relic Fluent Bit Output Plugin 3.6.0 integration

Changed

• The Infrastructure agent recommends Fluent Bit 5.0.6 packages
• Fluent Bit Output Plugin Docker image uses Fluent Bit 5.0.6 with output plugin 3.6.0
• New Relic Logging Helm chart installs the new plugin image
• aws-for-fluent-bit base image (Firelens) updated from 3.2.5 to 3.4.0 (bundles Fluent Bit 5.0.5; will move to 5.0.6 when AWS publishes a matching tag)

Notes

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Support for Fluent Bit 4.2.2

Users will now receive Fluent Bit version 4.2.2. For more details, refer to the Fluent Bit announcements.

This release includes New Relic Fluent Bit Output Plugin 3.4.0 with critical security updates and enhanced platform compatibility.

Added

• Support for SLES 15.6 and 15.7
• New Relic Fluent Bit Output Plugin 3.4.0 integration

Changed

• The Infrastructure agent recommends Fluent Bit 4.2.2 packages
• Fluent Bit Output Plugin Docker image uses Fluent Bit 4.2.2 with output plugin 3.4.0
• New Relic Logging Helm chart installs the new plugin image (newrelic-logging chart version 1.35.0)
• aws-for-fluent-bit base image updated from 3.1.0 to 3.2.1

Fixed

• GLIBC compatibility issues on RHEL8 and Amazon Linux 2 using Zig cross-compilation targeting GLIBC 2.17

Notes

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Support for Fluent Bit 4.2.0

Users will now receive Fluent Bit version 4.2.0. For more details, refer https://fluentbit.io/announcements/.

Changed

• Infrastructure agent recommends Fluent Bit 4.2.0 packages.
• Fluent Bit Output Plugin Docker image uses Fluent Bit 4.2.0 except for Windows-Server-2019.
• New Relic Logging Helm chart installs the new plugin image (newrelic-logging chart version 1.33.0)

Notes

To stay up to date with the most recent fixes and enhancements, subscribe to our Logs RSS feed.

Support for Fluent Bit 3.2.10

Users will now receive Fluent Bit version 3.2.10. For more details, refer https://fluentbit.io/announcements/.

Changed

• Infrastructure agent recommends Fluent Bit 3.2.10 packages.
• Fluent Bit Output Plugin Docker image uses Fluent Bit 3.2.10.
• New Relic Logging Helm chart installs the new plugin image (newrelic-logging chart version 1.27.0)

Notes

To stay up to date with the most recent fixes and enhancements, subscribe to our Logs RSS feed.

Support for Fluent Bit 3.2.7

Users will now receive Fluent Bit version 3.2.7, which includes fixes for known vulnerabilities. For more details, refer https://fluentbit.io/announcements/.

Security

Previous versions of Fluent Bit in the 3.1 and 3.2 series are affected by two security vulnerabilities if customers use the OpenTelemetry input plugin or Prometheus Remote Write input. The identified vulnerabilities are: CVE-2024-50608, CVE-2024-50609.

By default, New Relic does not include these plugins in our distribution of the Fluent Bit packages in any of the instrumentation packages we provide. However, in order to support customers using these plugins and mitigate any potential impact, we recommend customers to upgrade to the latest available versions of these packages:

Hosts:

• Windows: Infrastructure Agent upgraded to v1.62.0 or later
• Linux: Infrastructure Agent upgraded to v1.62.0 or later

Kubernetes:

• newrelic-logging upgraded to v1.26.1
• nri-bundle upgraded to v5.0.115

Fluent Bit:

• New Relic Fluent Bit Output Docker Image upgraded to v2.3.0

Notes

To stay up to date with the most recent fixes and enhancements, subscribe to our Logs RSS feed.

Support for Fluent Bit 3.2.2

Users will now receive Fluent Bit version 3.2.2, which includes fixes for known vulnerabilities. For more details, refer https://fluentbit.io/announcements/.

Changed

• Infrastructure agent recommends Fluent Bit 3.2.2 packages.
• Fluent Bit Output Plugin Docker image uses Fluent Bit 3.2.2.
• New Relic Logging Helm chart installs the new plugin image (newrelic-logging chart version 1.25.1)

Notes

To stay up to date with the most recent fixes and enhancements, subscribe to our Logs RSS feed.

Support for Fluent Bit 3.1.9

Users will now receive Fluent Bit version 3.1.9, which includes fixes for known vulnerabilities. For more details, refer https://fluentbit.io/announcements/.

Changed

• Infrastructure agent recommends Fluent Bit 3.1.9 packages.
• Fluent Bit Output Plugin Docker image uses Fluent Bit 3.1.9.
• New Relic Logging Helm chart installs the new plugin image (newrelic-logging chart version 1.24.0).

Notes

To stay up to date with the most recent fixes and enhancements, subscribe to our Logs RSS feed.