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l-trotta merged 2 commits into from
Feb 16, 2026
Merged

Update known issues #1163

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6af102e
update known issues
l-trotta Feb 16, 2026
99ab122
fix link
l-trotta Feb 16, 2026
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54 changes: 54 additions & 0 deletions docs/release-notes/known-issues.md
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Expand Up @@ -7,6 +7,60 @@ navigation_title: "Known issues"

For detailed issues, refer to the [Java client repo](https://github.com/elastic/elasticsearch-java/issues).

## 9.3.0 [known-issues-9-3-0]

Version 9.3.0 of the client introduced a long list of breaking changes to better represent the server's API, but some of the [changes](9-3-0.md) from `String` to `List<String>` were wrong and have been fixed with the 9.3.1 release.
Here's the list of the reverted changes:

::::{dropdown} List<String> to String

- elasticsearch._types.query_dsl.FieldLookup
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch._types.query_dsl.MoreLikeThisQuery
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch._types.query_dsl.PercolateQuery
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch._types.query_dsl.TermsLookup
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch.core.bulk.BulkOperationBase
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch.core.reindex.Destination
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch.core.search.CompletionSuggestOption
- `routing`: modified from `List<String>` to `String`, now optional


- elasticsearch.indices.Alias
- `indexRouting`: modified from `List<String>` to `String`, now optional
- `routing`: modified from `List<String>` to `String`, now optional
- `searchRouting`: modified from `List<String>` to `String`, now optional


- elasticsearch.indices.PutAliasRequest
- `indexRouting`: modified from `List<String>` to `String`, now optional
- `routing`: modified from `List<String>` to `String`, now optional
- `searchRouting`: modified from `List<String>` to `String`, now optional


- elasticsearch.indices.update_aliases.AddAction
- `indexRouting`: modified from `List<String>` to `String`, now optional
- `routing`: modified from `List<String>` to `String`, now optional
- `searchRouting`: modified from `List<String>` to `String`, now optional

::::

## 9.x [known-issues-9-x]

All 9.x versions of the client previous to, respectively, 9.2.4, 9.1.10 and 9.0.9 are affected by a bug with the new Rest5Client where memory usage is substantially higher than necessary.
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