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Elasticsearch version 8.1.3

Also see Breaking changes in 8.1.

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

Authorization

Ignore app priv failures when resolving superuser #85519

Machine Learning

Avoid multiple queued quantiles documents in renormalizer #85555 (issue: #85539)

Mapping

Do not fail on duplicated content field filters #85382

Search

Fix skip caching factor with indices.queries.cache.all_segments #85510

Snapshot/Restore

Expose proxy settings for GCS repositories #85785 (issue: #84569)

Watcher

Avoiding watcher validation errors when a data stream points to more than one index #85507 (issue: #85508)
Log at WARN level for Watcher cluster state validation errors #85632

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https://www.elastic.co/guide/en/elasticsearch/reference/8.17/release-notes-8.1.3.html