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Elasticsearch version 8.18.5

IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

Elasticsearch version 8.18.5

Also see Breaking changes in 8.18.

Bug fixes

Aggregations

Aggs: Add validation to Bucket script pipeline agg #132320 (issue: #132272)

CCS

Do not look over TaskCancelledException when looking at failures while updating CCS info for clusters #132334

Data streams

Prevent auto-sharding for data streams in LOOKUP index mode #131429

EQL

Deal with internally created IN in a different way for EQL #132167 (issue: #118621)

ES|QL

Disallow remote enrich after lu join #131426 (issue: #129372)
ESQL: Fix mv_expand inconsistent column order #129745 (issue: #129000)
FIx Driver creating status with a live list of operators #132260 (issue: #131564)
Fix NPE on empty to_lower/to_upper call #131917 (issue: #131913)

Infra/Core

Grant server module read/write entitlements for deprecated path setting "path.shared_data" #131680

Ingest Node

Correctly handling download_database_on_pipeline_creation within a pipeline processor within a default or final pipeline #131236

Machine Learning

Prevent the trained model deployment memory estimation from double-counting allocations #131990

Mapping

Fix decoding of non-ascii field names in ignored source #132018

Search

Fix bug in point in time response #131391 (issue: #131026)
Fix missing removal of query cancellation callback in QueryPhase #130279 (issue: #130071)
Fix query rewrite logic to preserve boosts and queryName for match, knn, and sparse_vector queries on semantic_text fields #129282

Snapshot/Restore

Throw better exception if verifying empty repo #131677

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