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Elasticsearch version 7.17.3

Also see Breaking changes in 7.17.

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)
The deprecated index.mapper.dynamic setting can break your cluster. It can only be set using the Update index settings API. Symptoms include nodes failing to start or shards failing to allocate. Do not use this setting in versions prior to 7.17.22. The bug is fixed in 7.17.22. (issue: #109160)

Bug fixes

Authorization

Grant kibana_system role read access to APM data streams #85744

Geo

Fix fields wildcard support to vector tile search API #85595 (issue: #85592)

Highlighting

Fix wildcard highlighting on match_only_text #85500 (issue: #85493)

Infra/Core

Prevent ThreadContext header leak when sending response #68649 (issue: #68278)

Machine Learning

Allow retrieving boolean fields from _source in data frame analytics jobs #85672
Avoid multiple queued quantiles documents in renormalizer #85555 (issue: #85539)

Search

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

Upgrades

Ingest

Bump commons-compress to 1.21 #85581

Packaging

Upgrade to JDK 18.0.0+36 #85376 (issue: #85357)

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https://www.elastic.co/guide/en/elasticsearch/reference/7.17/release-notes-7.17.3.html