See issues on GitHubRelease Notes
Bug fixes
- Allocation
- Prevent peer recovery from node with older version #15775
- Cluster
- Only fail the relocation target when a replication request on it fails #15791 (issue: #15790)
- Core
- BitSetFilterCache duplicates its content. #15836 (issue: #15820)
- Internal
- Log uncaught exceptions from scheduled once tasks #15824 (issue: #15814)
- Mapping
- Fix initial sizing of BytesStreamOutput. #15864 (issue: #15789)
- Search
- Fix MatchedQueriesFetchSubPhase’s consumption of DocIdSetIterator. #15962 (issue: #15949)