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Inner Hits
Return the _source of inner hit nested as is without wrapping it into its full path context #26982 (issues: #26102 , #26944 )
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Core
Index Templates
Fix error message for a put index template request without index_patterns #27102 (issue: #27100 )
Mapping
Don’t detect source’s XContentType in DocumentParser.parseDocument() #26880
Network
Add additional low-level logging handler #26887
Unwrap causes when maybe dying #26884
Plugins
Adjust SHA-512 supported format on plugin install #27093
REST
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Aggregations
Create weights lazily in filter and filters aggregation #26983
Fix IndexOutOfBoundsException in histograms for NaN doubles (#26787) #26856 (issue: #26787 )
Scripted_metric _agg parameter disappears if params are provided #19863 (issue: #19768 )
CAT API
Fix NPE for /_cat/indices when no primary shard #26953 (issue: #26942 )
Cache
Reduce the default number of cached queries. #26949 (issue: #26938 )
Core
Timed runnable should delegate to abstract runnable #27095 (issue: #27069 )
Stop invoking non-existent syscall #27016 (issue: #20179 )
MetaData Builder doesn’t properly prevent an alias with the same name as an index #26804
Ingest
date processor should not fail if timestamp is specified as json number #26986 (issue: #26967 )
date_index_name processor should not fail if timestamp is specified as json number #26910 (issue: #26890 )
Internal
Upgrade Lucene to version 7.0.1 #26926
Java High Level REST Client
Make ShardSearchTarget optional when parsing ShardSearchFailure #27078 (issue: #27055 )
Java REST Client
rest-client-sniffer: configurable threadfactory #26897
Mapping
wrong link target for datatype murmur3 #27143
Network
Check for closed connection while opening #26932
Packaging
Fix handling of Windows paths containing parentheses #26916 (issue: #26454 )
Percolator
Also support query extraction for queries wrapped inside a ESToParentBlockJoinQuery #26754
Plugin Analysis Phonetic
Fix beidermorse phonetic token filter for unspecified languageset #27112 (issue: #26771 )
Plugin Repository Azure
Use Azure upload method instead of our own implementation #26751
REST
Fix inconsistencies in the rest api specs for cat.snapshots #26996 (issues: #25737 , #26923 )
Fix inconsistencies in the rest api specs for *_script #26971 (issue: #26923 )
exists template needs a template name #25988
Reindex API
Fix update_by_query’s default size parameter #26784 (issue: #26761 )
Search
Avoid stack overflow on search phases #27069 (issue: #27042 )
Fix search_after with geo distance sorting #26891
Fix serialization errors when cross-cluster search goes to a single shard #26881 (issue: #26833 )
Early termination with index sorting should not set terminated_early in the response #26597 (issue: #26408 )
Format doc values fields. #22146
Sequence IDs
Fire global checkpoint sync under system context #26984
Settings
Emit settings deprecation logging on empty update #27017 (issue: #26419 )
Fix filtering for ListSetting #26914
Stats
Keep cumulative elapsed scroll time in microseconds #27068 (issue: #27046 )
Suggesters
Fix division by zero in phrase suggester that causes assertion to fail #27149