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Elasticsearch version 8.3.1

Also see Breaking changes in 8.3.

Known issues

Parsing a request when the last element in an array is filtered out (for instance using _source_includes) fails. This is due to a bug in Jackson parser. Fixed in Elasticsearch 8.6.1 (#91456)

Bug fixes

Audit

Support removing ignore filters for audit logging #87675 (issue: #68588)

Ingest

Don’t ignore pipeline for upserts in bulk api #87719 (issue: #87131)
Geoip processor should respect the ignore_missing in case of missing database #87793 (issue: #87345)

Machine Learning

Improve trained model stats API performance #87978

Snapshot/Restore

Use the provided SAS token without SDK sanitation that can produce invalid signatures #88155 (issue: #88140)

Stats

Run TransportClusterInfoActions on MANAGEMENT pool #87679

Transform

Execute _refresh (with system permissions) separately from delete by query (with user permissions) #88005 (issue: #88001)

Enhancements

Discovery-Plugins

Remove redundant jackson dependencies from discovery-azure #87898

Performance

Warn about impact of large readahead on search #88007

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https://www.elastic.co/guide/en/elasticsearch/reference/8.17/release-notes-8.3.1.html