IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs› Elasticsearch Guide [7.10]› Release notes
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Elasticsearch version 7.5.2edit

Enhancementsedit

Features/Ingest
  • Fork recursive calls in Foreach processor #50514
Infra/Core

Bug fixesedit

Analysis
  • Fix caching for PreConfiguredTokenFilter #50912 (issue: #50734)
CRUD
  • Block too many concurrent mapping updates #51038 (issue: #50670)
Engine
  • Account soft-deletes in FrozenEngine #51192 (issue: #50775)
Features/ILM+SLM
  • Fix SLM check for restore in progress #50868
Features/Ingest
  • Fix ingest simulate response document order if processor executes async #50244
Features/Java Low Level REST Client
  • Improve warning value extraction performance in response #50208 (issue: #24114)
Machine Learning
  • Fixes potential memory corruption or inconsistent state when background persisting categorizer state. #921
Mapping
  • Ensure that field collapsing works with field aliases. #50722 (issues: #32648, #50121)
  • Fix meta version of task index mapping #50363 (issue: #48393)
Recovery
  • Check allocation ID when failing shard on recovery #50656 (issue: #50508)
SQL
  • Change the way unsupported data types fields are handled #50823
  • Optimization fixes for conjunction merges #50703 (issue: #49637)
  • Fix issue with CAST and NULL checking. #50371 (issue: #50191)
  • Fix NPE for JdbcResultSet.getDate(param, Calendar) calls #50184 (issue: #50174)
Search
Security
  • Always consume the request body of has_privileges API #50298 (issue: #50288)
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