Logstash 8.4.0 Release Notes

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Logstash 8.4.0 Release Notes

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New features and enhancements

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Improvements to the dead letter queue (DLQ)

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This release brings significant improvements to help users manage their dead letter queues, including:

  • A new clean_consumed option on the Dead Letter Queue input plugin. It can automatically delete segments from a dead letter queue after all events in the segment have been consumed by a Logstash pipeline.
  • A new age retention policy, enabling the automatic removal of segments from a dead letter queue based on the age of events within those segments.
  • Additional dead letter queue metrics available from the monitoring API #14324

New AWS integration plugin

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Several AWS plugins are now bundled in a single AWS integration plugin, enabling easier maintenance and upgrades of AWS-based plugins. They all use version 3 of the AWS Ruby SDK.

JDK17 support

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Logstash now comes bundled with JDK17, while still providing compatibility with user-supplied JDK11. The new JDK includes an update pertaining to a potential security vulnerability. Please see our security statement for details.

Logstash M1 download

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Logstash is now available for download on M1 equipped MacOS devices, and comes bundled with M1 native JDK17.

Notable issues fixed

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  • Remove /etc/systemd/system/logstash.service only when file is installed by Logstash #14200
  • Fix Arcsight module compatibility with Elasticsearch 8.x #13874
  • Ensure that timestamp values are serialized with a minimum of 3 decimal places to guarantee that millisecond precision timestamps match those from Logstash 7.x #14299
  • Fix issue with native Java plugin thread-safety and concurrency #14360
  • Allow the ability to use Ruby codecs inside native Java plugins #13523

Updates to dependencies

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  • The bundled JDK has been updated to 17.0.4+8 #14427
  • The version of Sinatra has been updated to 2.2.2 #14454
  • The version of Nokogiri has been updated to 1.13.8 #14454

Plugin releases

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Dead Letter Queue Input - 2.0.0

  • Introduce the boolean clean_consumed setting to enable the automatic removal of completely consumed segments. Requires Logstash 8.4.0 or above #43
  • Expose metrics about segments and events cleaned by this plugin #45

Xml Filter - 4.2.0

  • Update Nokogiri dependency version #78

Aws Integration Plugin - 7.0.0

  • This new integration plugin incorporates and replaces the use of the these individual plugins: individual plugins:

    • logstash-input-s3
    • logstash-input-sqs
    • logstash-mixin-aws
    • logstash-output-cloudwatch
    • logstash-output-s3
    • logstash-output-sns
    • logstash-output-sqs
  • This replaces the use of the single combined aws 2.x sdk gem, with the modularized aws 3.x gems.