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 ›Elasticsearch Guide [8.17] ›Release notes

Elasticsearch version 8.17.1

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IMPORTANT: This documentation is no longer updated.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

Elasticsearch version 8.17.1

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Also see Breaking changes in 8.17.

Bug fixes

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Aggregations
CCS
  • Resolve/cluster should mark remotes as not connected when a security exception is thrown #119793
Data streams
  • Add missing traces ilm policy for OTel traces data streams #119449
Downsampling
  • Handle index.mapping.ignore_malformed in downsampling #119134 (issue: #119075)
  • Support flattened field with downsampling #118816 (issue: #116319)
ES|QL
  • Allow DATE_PARSE to read the timezones #118603 (issue: #117680)
  • Fix ESQL async get while task is being cancelled #119897
  • Fix RLIKE folding with (unsupported) case insensitive pattern #118454
ILM+SLM
  • Add missing timeouts to rest-api-spec ILM APIs #118837
  • Add missing timeouts to rest-api-spec SLM APIs #118958
Infra/Node Lifecycle
  • Add missing timeouts to rest-api-spec shutdown APIs #118921
Infra/REST API
  • Add missing parameter to xpack.info rest-api-spec #118954
Ingest Node
  • Add missing timeouts to rest-api-spec ingest APIs #118844
  • Expose BwC enrich cache setting in plugin #119131
  • Fixing GetDatabaseConfigurationAction response serialization #119233
License
  • Remove unsupported timeout from rest-api-spec license API #118919
Machine Learning
  • Fix loss of context in the inference API for streaming APIs #118999 (issue: #119000)
  • Fix spike detection for short spikes at the tail of the data #119637
  • Fix timeout ingesting an empty string into a semantic_text field #117840
  • [Inference API] Fix bug checking for e5 or reranker default IDs #119797
Search
  • ESQL: connect_transport_exception should be thrown instead of verification_exception when ENRICH-ing if remote is disconnected #119750
  • Fix: do not let _resolve/cluster hang if remote is unresponsive #119516
  • Handle exceptions in query phase can match #117469 (issue: #104994)

Enhancements

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Authorization
  • Improve handling of nested fields in index reader wrappers #118757
Data streams
  • Add mapping for event_name for OTel logs #119495
Monitoring
  • Addition of tier_preference, creation_date and version fields in Elasticsearch monitoring template #117851

New features

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Logs
  • Make logsdb general available #118559

Known issues

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ES|QL
  • Some valid queries using an ENRICH command can fail when a match field is used that is absent from some indices or shards, either with a 500 status code due to NullPointerException or ClassCastException or with a 400 status code and IllegalArgumentException. This is fixed in #126187.
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