Fluent Bit release notes

Fluent Bit v3.1.2

Sat, 31 Aug 2024 00:00:00 +0000

Support for Fluent Bit 3.1.2

Users will now receive Fluent Bit version 3.1.2, which includes fixes for known vulnerabilities. For more details, refer https://fluentbit.io/announcements/.

Changed

Infrastructure agent recommends Fluent Bit 3.1.2 packages.
Fluent Bit Output Plugin Docker image uses Fluent Bit 3.1.2.
New Relic Logging Helm chart installs the new plugin image.

Notes

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

Fluent Bit v3.1.9

Thu, 31 Oct 2024 00:00:00 +0000

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.

Fluent Bit v3.2.2

Thu, 20 Feb 2025 00:00:00 +0000

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.

Fluent Bit v3.2.7

Thu, 27 Feb 2025 00:00:00 +0000

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.

Fluent Bit v3.2.10

Mon, 12 May 2025 00:00:00 +0000

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.

Fluent Bit v4.2.0

Tue, 09 Dec 2025 00:00:00 +0000

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.

Fluent Bit v4.2.2

Tue, 17 Feb 2026 00:00:00 +0000

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

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

Fluent Bit v5.0.6

Tue, 09 Jun 2026 00:00:00 +0000

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

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

Fluent Bit v5.0.8

Tue, 30 Jun 2026 00:00:00 +0000

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

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