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Elastic Docs ›Elasticsearch Guide [8.x] ›Release notes

Elasticsearch version 8.16.2

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IMPORTANT: This documentation is no longer updated.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

Elasticsearch version 8.16.2

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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

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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

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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

Known issues

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ES|QL
  • Some valid queries using an ENRICH command can fail when a match field is used that is absent from some indices or shards, either with a 500 status code due to NullPointerException or ClassCastException or with a 400 status code and IllegalArgumentException. This is fixed in #126187.
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