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This changelog is intended for community Beat developers. It covers the major breaking changes to the internal APIs in the official Beats and changes related to developing a Beat like code generators or fields.yml. Only the major changes will be covered in this changelog that are expected to affect community developers. Each breaking change added here should have an explanation on how other Beats should be migrated.

Note: This changelog documents the current changes which are not yet present in an actual release.

Beats version HEAD

The list below covers the major changes between 7.0.0-rc2 and master only.

Breaking changes

  • Move Fields from package libbeat/common to libbeat/mapping. 11198

  • For "metricbeat style" generated custom beats, the mage target GoTestIntegration has changed to GoIntegTest and GoTestUnit has changed to GoUnitTest. 13341

  • Build docker and kubernetes features only on supported platforms. 13509

  • Need to register new processors to be used in the JS processor in their init functions. 13509

Bugfixes

Added

  • Metricset generator generates beta modules by default now. 10657

  • The beat.Event accessor methods now support @metadata keys. 10761

  • Assertion for documented fields in tests fails if any of the fields in the tested event is documented as an alias. 10921

  • Support for Logger in the Metricset base instance. 11106

  • Filebeat modules can now use ingest pipelines in YAML format. 11209

  • Prometheus helper for metricbeat contains now Namespace field for prometheus.MetricsMappings 11424

  • Update Jinja2 version to 2.10.1. 11817

  • Reduce idxmgmt.Supporter interface and rework export commands to reuse logic. 11777,https://github.com/elastic/beats/pull/12065[12065],https://github.com/elastic/beats/pull/12067[12067],https://github.com/elastic/beats/pull/12160[12160]

  • Update urllib3 version to 1.24.2 11930

  • Add libbeat/common/cleanup package. 12134

  • New helper to check for leaked goroutines on tests. 12106

  • Only Load minimal template if no fields are provided. 12103

  • Add new option IgnoreAllErrors to libbeat.common.schema for skipping fields that failed while converting. 12089

  • Deprecate setup cmds for template and ilm-policy. Add new setup cmd for index-management. 12132

  • Use the go-lookslike library for testing in heartbeat. Eventually the mapval package will be replaced with it. 12540

  • New ReporterV2 interfaces that can receive a context on Fetch(ctx, reporter), or Run(ctx, reporter). 11981

  • Generate configuration from mage for all Beats. 12618

  • Add ClientFactory to TCP input source to add SplitFunc/NetworkFuncs per client. 8543

  • Introduce beat.OutputChooses publisher mode. 12996

  • Ensure that beat.Processor, beat.ProcessorList, and processors.ProcessorList are compatible and can be composed more easily. 12996

  • Add support to close beat.Client via beat.CloseRef (a subset of context.Context). 13031

  • Add checks for types and formats used in fields definitions in fields.yml files. 13188

  • Makefile included in generator copies files from beats repository using git archive instead of cp. 13193

  • Strip debug symbols from binaries to reduce binary sizes. 12768