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Elasticsearch version 8.16.2

Elasticsearch version 8.16.2

The 8.16.2 release contains a fix for a potential security vulnerability. See our security advisory for more details.

Also see Breaking changes in 8.16.

Bug fixes

CCS

Fix long metric deserialize & add - auto-resize needs to be set manually #117105 (issue: #116914)

Data streams

Acquire stats searcher for data stream stats #117953

ES|QL

ESQL: fix the column position in errors #117153
Fix BWC for ES|QL cluster request #117865
Fix CCS exchange when multi cluster aliases point to same cluster #117297
Fix COUNT filter pushdown #117503 (issue: #115522)
Fix validation of SORT by aggregate functions #117316
Opt into extra data stream resolution #118378

Ingest Node

Fix enrich cache size setting name #117575
Fix log message format bugs #118354
Fix reconstituting version string from components #117213 (issue: #116950)

License

Distinguish LicensedFeature by family field #116809

Logs

Prohibit changes to index mode, source, and sort settings during resize #115812

Machine Learning

Fix deberta tokenizer bug caused by bug in normalizer #117189
Fix for Deberta tokenizer when input sequence exceeds 512 tokens #117595
Propagate scoring function through random sampler #116957 (issue: #110134)
Update Deberta tokenizer #116358

Mapping

Restore original "is within leaf" value in SparseVectorFieldMapper #118380

Ranking

Fix for propagating filters from compound to inner retrievers #117914

Search

Don’t skip shards in coord rewrite if timestamp is an alias #117271
Handle exceptions in query phase can match #117469 (issue: #104994)

Enhancements

Inference

[8.16] Update sparse text embeddings API route for Inference Service #118367

Packaging

In this release we’ve introduced an image based on the hardened Wolfi image to provide secure containers to our self-managed customers, help with compliance regulations, and improve our supply chain security posture. #118684

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