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@@ -58,26 +58,31 @@ enable <<deprecation-logging, deprecation logging>>.
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[%collapsible]
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====
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*Details* +
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-Legacy values for the `discovery.type` setting are deprecated and will be forbidden in a future version.
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+Legacy values for the `discovery.type` setting are deprecated and will be
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+forbidden in a future version.
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*Impact* +
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Do not set `discovery.type` to any value except `single-node` or `multi-node`.
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All other values are equivalent to the default discovery type which is
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-`multi-node`.
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-Where possible, omit this setting so that {es} uses the default discovery type.
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+`multi-node`. Where possible, omit this setting so that {es} uses the default
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+discovery type.
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====
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[discrete]
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-[[breaking_8.1_lenient_bulk_action_deprecation]]
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-==== Lenient parsing of bulk actions
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+[[breaking_8.1_crud_deprecation]]
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+==== CRUD deprecations
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[[deprecate-lenient-parsing-of-bulk-actions]]
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.Lenient parsing of bulk actions is deprecated.
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[%collapsible]
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====
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*Details* +
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-{es} 8.1 parses bulk actions more strictly in order to make sure there are no arbitrary fields after a bulk action declaration and that it gets properly closed with the closing brace.
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+Older versions of {es} parse the action lines of bulk requests very permissively
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+and would silently ignore invalid or malformed actions. This lenience is
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+deprecated and a future version will reject bulk requests containing invalid
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+actions.
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*Impact* +
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-Make sure your bulk actions are valid JSON objects and that you don't have any arbitrary JSON fields after bulk actions.
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+Ensure that bulk actions are well-formed JSON objects containing a single entry
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+with the correct key.
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====
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David Turner