IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Installation and Upgrade Guide [8.6] ›Breaking changes

APM breaking changes

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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

APM breaking changes

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This list summarizes the most important breaking changes in APM. For the complete list, go to APM breaking changes.

8.6

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The following breaking changes and deprecations are introduced in APM version 8.6.0:

apm-server.decoder.* no longer recorded

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The stack monitoring metrics, apm-server.decoder.*, are no longer recorded. These metrics were not used by stack monitoring, so there should be no noticeable change.

For more details, see PR #9210.

context.http.response.*_size fields now enforce integer values

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New field mappings enforce integer values for context.http.response.*_size. The fields are mapped with index: false to minimize storage overhead.

For more details, see PR #9429.

observer.id and observer.ephemeral_id removed

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observer.id and observer.ephemeral_id are no longer added to APM documents. The APM UI does not currently rely on these field, so there should be no noticeable change.

For more details, see PR #9412.

timeseries.instance removed

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timeseries.instance has been removed from transaction metrics docs. The APM UI did not use this field, so there should be no noticeable change.

For more details, see PR #9565.

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