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Elasticsearch version 8.17.1

Also see Breaking changes in 8.17.

Bug fixes

Aggregations

Fix moving function linear weighted avg #118435 (issue: #113751)

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

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

Logs

Make logsdb general available #118559

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https://www.elastic.co/guide/en/elasticsearch/reference/8.17/release-notes-8.17.1.html