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Engine
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Use
_refresh
to shrink the version map on inactivity #27918 (issue: #27852)
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Allow resize version map under lock even if there are pending operations #27870 (issue: #27852)
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Internal
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Never return null from Strings.tokenizeToStringArray #28224 (issue: #28213)
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Fallback to TransportMasterNodeAction for cluster health retries #28195 (issue: #28169)
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Java REST Client
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Do not use system properties when building the HttpAsyncClient #27829 (issue: #27827)
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Mapping
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Allow update of
eager_global_ordinals
on _parent
. #28014 (issue: #24407)
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Scripting
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Ensure we protect Collections obtained from scripts from self-referencing #28335
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Snapshot/Restore
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Avoid concurrent snapshot finalizations when deleting an INIT snapshot #28078 (issues: #27214, #27931, #27974)
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Do not start snapshots that are deleted during initialization #27931
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Plugin Lang Painless
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