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With https://github.com/elastic/stack-docs/pull/2495 merged, we no longer reuse breaking changes in the Stack Install/Upgrade guide. This removes the related `notable-breaking-changes[]` tags from the 8.9+ docs and updates the RN generator template. ## Out of scope With the removal of these tags, we may no longer need the `notable` property for changelog entries and can likely simplify the logic for the [BreakingChangesGenerator](https://github.com/elastic/elasticsearch/blob/main/build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/release/BreakingChangesGenerator.java). Updating those files is outside the scope of this PR. I've opened https://github.com/elastic/elasticsearch/issues/98145 to track that work.
46 lines
1.2 KiB
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46 lines
1.2 KiB
Text
[[migrating-8.4]]
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== Migrating to 8.4
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++++
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<titleabbrev>8.4</titleabbrev>
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++++
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This section discusses the changes that you need to be aware of when migrating
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your application to {es} 8.4.
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See also <<release-highlights>> and <<es-release-notes>>.
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[discrete]
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[[breaking-changes-8.4]]
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=== Breaking changes
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There are no breaking changes in {es} 8.4.
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[discrete]
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[[deprecated-8.4]]
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=== Deprecations
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The following functionality has been deprecated in {es} 8.4
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and will be removed in a future version.
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While this won't have an immediate impact on your applications,
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we strongly encourage you to take the described steps to update your code
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after upgrading to 8.4.
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To find out if you are using any deprecated functionality,
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enable <<deprecation-logging, deprecation logging>>.
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[discrete]
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[[deprecations_84_rest_api]]
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==== REST API deprecations
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[[deprecate_knn_search_endpoint]]
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.Deprecate the `_knn_search` endpoint
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[%collapsible]
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====
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*Details* +
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-| The kNN search API is deprecated in favor of the new 'knn' option inside the search API. The 'knn' option is now the recommended way of running ANN search.
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*Impact* +
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Users should switch from `_knn_search` to the search `knn` option.
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====
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