## 2024-06-12 Version 2.15.0 Release Notes
[2.15.0]
Added

Add leader and follower check failure counter metrics (#12439)
Add latency metrics for instrumenting critical clusterManager code paths (#12333)
Add support for Azure Managed Identity in repository-azure (#12423)
Add useCompoundFile index setting (#13478)
Make outbound side of transport protocol dependent (#13293)
[Remote Store] Upload translog checkpoint as object metadata to translog.tlog(#13637)
[Remote Store] Add dynamic cluster settings to set timeout for segments upload to Remote Store (#13679)
Add getMetadataFields to MapperService (#13819)
Add "wildcard" field type that supports efficient wildcard, prefix, and regexp queries (#13461)
Allow setting query parameters on requests (#13776)
Add dynamic action retry timeout setting (#14022)
Add capability to disable source recovery_source for an index (#13590)
Add remote routing table for remote state publication with experimental feature flag (#13304)
Add upload flow for writing routing table to remote store (#13870)
Add dynamic action retry timeout setting (#14022)
[Remote Store] Add support to disable flush based on translog reader count (#14027)
Add recovery chunk size setting (#13997)
[Query Insights] Add exporter support for top n queries (#12982)
[Query Insights] Add X-Opaque-Id to search request metadata for top n queries (#13374)
[Streaming Indexing] Enhance RestAction with request / response streaming support (#13772)
Move Remote Store Migration from DocRep to GA and modify remote migration settings name (#14100)
[Remote State] Add async remote state deletion task running on an interval, configurable by a setting (#13995)
Add remote routing table for remote state publication with experimental feature flag (#13304)
Add support for query level resource usage tracking (#13172)
[Query Insights] Add cpu and memory metrics to top n queries (#13739)
Derived field object type support (#13720)
Support Dynamic Pruning in Cardinality Aggregation (#13821)

Dependencies

Bump com.github.spullara.mustache.java:compiler from 0.9.10 to 0.9.13 (#13329, #13559)
Bump org.apache.commons:commons-text from 1.11.0 to 1.12.0 (#13557)
Bump org.hdrhistogram:HdrHistogram from 2.1.12 to 2.2.2 (#13556, #13986)
Bump com.gradle.enterprise from 3.17.2 to 3.17.4 (#13641, #13753)
Bump org.apache.hadoop:hadoop-minicluster from 3.3.6 to 3.4.0 (#13642)
Bump mockito from 5.11.0 to 5.12.0 (#13665)
Bump com.google.code.gson:gson from 2.10.1 to 2.11.0 (#13752)
Bump ch.qos.logback:logback-core from 1.5.3 to 1.5.6 (#13756)
Bump netty from 4.1.109.Final to 4.1.110.Final (#13802)
Bump jackson from 2.17.0 to 2.17.1 (#13817)
Bump reactor from 3.5.15 to 3.5.17 (#13825)
Bump reactor-netty from 1.1.17 to 1.1.19 (#13825)
Bump commons-cli:commons-cli from 1.7.0 to 1.8.0 (#13840)
Bump org.apache.xmlbeans:xmlbeans from 5.2.0 to 5.2.1 (#13839)
Bump actions/checkout from 3 to 4 (#13935)
Bump com.netflix.nebula.ospackage-base from 11.9.0 to 11.9.1 (#13933)
Bump com.azure:azure-core-http-netty from 1.12.8 to 1.15.1 (#14128)
Bump tim-actions/get-pr-commits from 1.1.0 to 1.3.1 (#14126)

Changed

Add ability for Boolean and date field queries to run when only doc_values are enabled (#11650)
Refactor implementations of query phase searcher, allow QueryCollectorContext to have zero collectors (#13481)
Adds support to inject telemetry instances to plugins (#13636)
Adds support to provide tags with value in Gauge metric. (#13994)
Move cache removal notifications outside lru lock (#14017)

Removed

Remove handling of index.mapper.dynamic in AutoCreateIndex(#13067)

Fixed

Fix get field mapping API returns 404 error in mixed cluster with multiple versions (#13624)
Allow clearing remote_store.compatibility_mode setting (#13646)
Painless: ensure type "UnmodifiableMap" for params (#13885)
Don't return negative scores from multi_match query with cross_fields type  (#13829)
Pass parent filter to inner hit query (#13903)
Fix NPE on restore searchable snapshot (#13911)
Fix double invocation of postCollection when MultiBucketCollector is present (#14015)
Fix ReplicaShardBatchAllocator to batch shards without duplicates (#13710)
Java high-level REST client bulk() is not respecting the bulkRequest.requireAlias(true) method call (#14146)
Fix ShardNotFoundException during request cache clean up (#14219)
Fix the rewrite method for MatchOnlyText field query (#14248)
Fix Concurrent Modification Exception in Indices Request Cache(#14032)