Elasticsearch version 8.5.2edit

Also see Breaking changes in 8.5.

Bug fixesedit

Authorization
  • Avoid potential unsupported operation exception in doc bitset cache #91490
EQL
  • Refine bwc version checks on EqlSearchRequest #91510
Health
  • SLM uneahlthy policies diagnosis recommends correct URL in action #91506
Ingest Node
  • Refactor DatabaseNodeService as a cluster state listener #91567 (issue: #86999)
Stats
  • Fix NPE in IndexService getNodeMappingStats #91334 (issue: #91259)
Transform
  • Fix failure when resolving indices from CCS #91622 (issue: #91550)

Enhancementsedit

EQL
  • Remove version limitations for CCS #91409
Ingest Node
  • Refactor enrich maintenance coordination logic #90931