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Elasticsearch version 8.13.0

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Elasticsearch version 8.13.0

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Also see Breaking changes in 8.13.

Known issues

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  • Searches involving nodes upgraded to 8.13.0 and a coordinator node that is running on version 8.12 or earlier can produce duplicate buckets when running date_histogram or histogram aggregations. This can happen during a rolling upgrade to 8.13 or while running cross-cluster searches. (issue: #108181).
  • Due to a bug in the bundled JDK 22 nodes might crash abruptly under high memory pressure. We recommend downgrading to JDK 21.0.2 asap to mitigate the issue.

  • Nodes upgraded to 8.13.0 fail to load downsampling persistent tasks. This prevents them from joining the cluster, blocking its upgrade (issue: #106880)

    This affects clusters running version 8.10 or later, with an active downsampling configuration or a configuration that was activated at some point since upgrading to version 8.10 or later.

  • When upgrading clusters from version 8.11.4 or earlier, if your cluster contains non-master-eligible nodes, information about the new functionality of these upgraded nodes may not be registered properly with the master node. This can lead to some new functionality added since 8.12.0 not being accessible on the upgraded cluster. If your cluster is running on ECK 2.12.1 and above, this may cause problems with finalizing the upgrade. To resolve this issue, perform a rolling restart on the non-master-eligible nodes once all Elasticsearch nodes are upgraded. This issue is fixed in 8.15.0.
  • The pytorch_inference process used to run Machine Learning models can consume large amounts of memory. In environments where the available memory is limited, the OS Out of Memory Killer will kill the pytorch_inference process to reclaim memory. This can cause inference requests to fail. Elasticsearch will automatically restart the pytorch_inference process after it is killed up to four times in 24 hours. (issue: #110530)

Breaking changes

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ES|QL
  • ESQL: Grammar - FROM METADATA no longer requires [] #105221
  • ES|QL: remove PROJECT keyword from the grammar #105064
  • [ESQL] Remove is_nan, is_finite, and is_infinite #104091
TSDB
  • Change index.look_ahead_time index setting’s default value from 2 hours to 30 minutes. #103898
  • Lower the look_ahead_time index setting’s max value from 7 days to 2 hours. #103434

Bug fixes

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Aggregations
  • Disable parallel collection for terms aggregation with min_doc_count equals to 0 #106156
  • GlobalOrdCardinalityAggregator should use HyperLogLogPlusPlus instead of HyperLogLogPlusPlusSparse #105546
Allocation
  • Fix disk computation when initializing new shards #102879
  • Fix disk computation when initializing unassigned shards in desired balance computation #102207
Application
  • Fix Search Applications bug where deleting an alias before deleting an application intermittently caused errors #106329
  • Use search to determine if cluster contains data #103920
  • [Connector API] Bugfix: support list type in filtering advenced snippet value #105633
  • [Connector API] Fix default ordering in SyncJob list endpoint #105945
  • [Connector API] Fix serialisation of script params in connector index service #106060
Authentication
  • Execute SAML authentication on the generic threadpool #105232 (issue: #104962)
Authorization
  • Adjust interception of requests for specific shard IDs #101656
Client
  • Validate settings in ReloadSecureSettings API #103176
Data streams
  • Apm-data: fix @custom component templates #104182
  • Avoid false-positive matches on intermediate objects in ecs@mappings #105440 (issue: #102794)
  • Execute lazy rollover with an internal dedicated user #104732 #104905 (issue: #104732)
  • Fix write index resolution when an alias is pointing to a TSDS #104440 (issue: #104189)
  • x-pack/plugin/core: add match_mapping_type to ecs@mappings dynamic templates #103035
Distributed
  • Fix logger Strings.format calls #104573
  • Request indexing memory pressure in APM node metrics publisher #103520
ES|QL
  • ESQL: Add single value checks on LIKE/RLIKE pushdown #103807 (issue: #103806)
  • ESQL: Correct out-of-range filter pushdowns #99961 (issue: #99960)
  • ESQL: Fix Analyzer to not interpret escaped * as a pattern #105325 (issue: #104955)
  • ESQL: Fix a bug loading unindexed text fields #104553
  • ESQL: Fix bug in grammar that allowed spaces inside id pattern #105476 (issue: #105441)
  • ESQL: Fix replacement of nested expressions in aggs with multiple parameters #104718 (issue: #104706)
  • ESQL: Fix wrong attribute shadowing in pushdown rules #105650 (issue: #105434)
  • ESQL: Improve pushdown of certain filters #103538 (issue: #103536)
  • ESQL: allow null in date math #103610 (issue: #103085)
  • ESQL: make cidr_match foldable #105403 (issue: #105376)
  • ES|QL: Disable optimizations that rely on Expression.nullable() #105691
  • ES|QL: Improve type validation in aggs for UNSIGNED_LONG better support for VERSION #104911 (issue: #102961)
  • ES|QL: better management of exact subfields for TEXT fields #103510 (issue: #99899)
  • Fix error on sorting unsortable geo_point and cartesian_point #106351 (issue: #106007)
  • For empty mappings use a LocalRelation #105081 (issue: #104809)
  • Resume driver when failing to fetch pages #106392 (issue: #106262)
  • Review KEEP logic to prevent duplicate column names #103316
  • ProjectOperator should not retain references to released blocks #105848
Engine
  • Consider currently refreshing data in the memory usage of refresh #104122
  • Release TranslogSnapshot buffer after iteration #106398 (issue: #106390)
Health
  • Make Health API more resilient to multi-version clusters #105789 (issue: #90183)
  • Stop the periodic health logger when es is stopping #105272
ILM+SLM
  • Remove hashCode and equals from OperationModeUpdateTask #104265 (issue: #100871)
  • [ILM] Delete step deletes data stream with only one index #105772
Indices APIs
  • Fix require_alias implicit true value on presence #104099 (issue: #103945)
Infra/CLI
  • Fix server cli to always pass through exit code #104943
Infra/Core
  • Do not enable APM agent instrument, it’s not required for manual tracing #105055
  • Fix bogus assertion tripped by force-executed tasks #104581 (issue: #104580)
  • Metrics: Allow AsyncCounters to switch providers #103025
  • Metrics: Handle null observations in observers #103091
Infra/Node Lifecycle
  • Close rather than stop HttpServerTransport on shutdown #102759 (issue: #102501)
Ingest Node
  • Add stable ThreadPool constructor to LogstashInternalBridge #105163
  • Adding executedPipelines to the IngestDocument copy constructor #105427
  • Revert "x-pack/plugin/apm-data: download geoip DB on pipeline creation" #104505
  • X-pack/plugin/apm-data: fix @custom pipeline support #104113
Machine Learning
  • Allow GET inference models by user a with read only permission #105346
  • Avoid computing currentInferenceProcessors on every cluster state #106057
  • Catch all the potential exceptions in the ingest processor code #105391
  • Changed system auditor to use levels #105429
  • During ML maintenance, reset jobs in the reset state without a corresponding task #106062
  • Fix categorize_text aggregation nested under empty buckets #105987 (issue: #105836)
  • Fix resetting a job if the original reset task no longer exists. #106020
  • Retry updates to model snapshot ID on job config #104077
  • The OpenAI model parameter should be in service settings not task settings. Move the configuration field to service settings #105458
  • Undeploy elser when inference model deleted #104230
Mapping
  • Fix parsing of flattened fields within subobjects: false #105373
Network
  • Fix use-after-free at event-loop shutdown #105486
Search
  • Correct profiled rewrite time for knn with a pre-filter #104150
  • Force execution of SearchService.Reaper #106544 (issue: #106543)
  • Move TransportTermsEnumAction coordination off transport threads #104408
  • Remove SearchException usages without a proper status code #105150
  • Require the name field for inner_hits for collapse #104666
  • add validation on _id field when upsert new doc #103399 (issue: #102981)
Security
  • Revert "Validate settings in ReloadSecureSettings API" #103310
Snapshot/Restore
  • Do not record s3 http request time when it is not available #105103
  • URLRepository should not block shutdown #105588
TLS
  • Respect --pass option in certutil csr mode #106105
Transform
  • Fix _reset API when called with force=true on a failed transform #106574 (issue: #106573)
  • Fix a bug where destination index aliases are not set up for an unattended transform #105499
  • Remove duplicate checkpoint audits #105164 (issue: #105106)
  • Return results in order #105089 (issue: #104847)
  • Use deduced mappings for determining proper fields' format even if deduce_mappings==false #103682 (issue: #103115)
Vector Search
  • Fix bug when nested knn pre-filter might match nested docs #105994
Watcher

Deprecations

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Distributed
  • DesiredNode: deprecate node_version field and make it optional (unused) in current parser #104209
Infra/Core

Enhancements

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Aggregations
  • Add index mapping parameter for counted_keyword #103646
  • Introduce an AggregatorReducer to reduce the footprint of aggregations in the coordinating node #105207
  • Release resources in BestBucketsDeferringCollector earlier #104893
  • Support sampling in counted_terms aggregation #103846
Allocation
  • Account for reserved disk size #103903
  • Derive expected replica size from primary #102078
Application
  • Add serverless scopes for Connector APIs #104063
  • [Connector API] Change required privileges to indices:data/read(write) #105289
  • [Connector API] Implement update index_name action #104648
  • [Connector API] Support filtering by name, index name in list action #105131
  • [Connector API] Support filtering connectors by service type and a query #105178
  • [Connector API] Support updating configuration values only #105249
  • [Connectors API] Add new field api_key_secret_id to Connector #104982
  • [Connectors API] Implement connector status update action #104750
  • [Connectors API] Implement update native action endpoint #104654
  • [Connectors API] Implement update service type action #104643
  • [Connectors API] Relax strict response parsing for get/list operations #104909
  • [Profiling] Extract properties faster from source #104356
  • [Profiling] Mark all templates as managed #103783
  • [Profiling] Speed up processing of stacktraces #104674
  • [Profiling] Support downsampling of generic events #104730
  • [Profiling] Use shard request cache consistently #103643
Authentication
  • Expose API key authentication metrics #103178
  • Expose realms authentication metrics #104200
  • Expose service account authentication metrics #104043
  • Expose token authentication metrics #104142
  • Hot-reloadable LDAP bind password #104320
  • Support of match for the Query API Key API #104594
Authorization
  • [Security Solution] Allow write permission for kibana_system role on endpoint response index #103555
CRUD
  • Avoid wrapping searchers multiple times in mget #104227 (issue: #85069)
Client
  • Add rest spec for Query User API #104529
Cluster Coordination
  • Add troubleshooting docs link to PeerFinder logs #104787
  • Report current master in PeerFinder #104396
Data streams
  • Introduce lazy rollover for mapping updates in data streams #103309 (issue: #89346)
  • Use new ignore_dynamic_beyond_limit in logs and metric data streams #105180
  • X-pack/plugin/apm-data: add dynamic setting for enabling template registry #104386 (issue: #104385)
  • X-pack/plugin/core: rename double_metrics template #103033
  • x-pack/plugin/apm-data: Add a new field transaction.profiler_stack_trace_ids to traces-apm@mappings.yaml #105223
  • x-pack/plugin/apm-data: Map some APM fields as flattened and fix error.grouping_name script #103032
  • x-pack/plugin/core: make automatic rollovers lazy #105273 (issue: #104083)
Discovery-Plugins
Downsampling
  • Support patch transport version from 8.12 #104406
ES|QL
  • Add ES|QL async delete API #103628
  • Avoid humongous blocks #103340
  • ESQL: Add TO_UPPER and TO_LOWER functions #104309
  • ESQL: Add option to drop null fields #102428
  • ESQL: Add plan consistency verification after each optimizer #105371
  • ESQL: Check field exists before load from _source #103632
  • ESQL: Delay finding field load infrastructure #103821
  • ESQL: Expand shallow copy with vecs #103681 (issue: #100528)
  • ESQL: Extend STATS command to support aggregate expressions #104958
  • ESQL: Infer not null for aggregated fields #103673 (issue: #102787)
  • ESQL: Nested expressions inside stats command #104387 (issue: #99828)
  • ESQL: Pre-allocate rows in TopNOperator #104796
  • ESQL: Referencing expressions that contain backticks requires escaping those backticks. #100740 (issue: #100312)
  • ESQL: Simpify IS NULL/IS NOT NULL evaluation #103099 (issue: #103097)
  • ESQL: Speed up reading many nulls #105088
  • ESQL: Support loading shapes from source into WKB blocks #104269
  • ESQL: Track the rest of DocVector #103727
  • ESQL: MV_FIRST and MV_LAST #103928
  • ESQL: add date_diff function #104118 (issue: #101942)
  • ESQL: push down "[text_field] is not null" #105593
  • ES|QL Async Query API #103398
  • Prepare enrich plan to support multi clusters #104355
  • Reading points from source to reduce precision loss #103698
  • Remove deprecated Block APIs #103592
  • Reserve bytes before serializing page #105269
  • Support ST_CENTROID over spatial points #104218 (issue: #104656)
  • Support cross clusters query in ESQL #101640
  • Support enrich ANY mode in cross clusters query #104840
  • Support enrich coordinator mode #104936
  • Support enrich remote mode #104993
Geo
  • Add support for Well Known Binary (WKB) in the fields API for spatial fields #103461
  • Add the possibility to transform WKT to WKB directly #104030
Health
  • Add APM metrics to HealthPeriodicLogger #102765
  • Extend repository_integrity health indicator for unknown and invalid repos #104614 (issue: #103784)
ILM+SLM
  • Add "step":"ERROR" to ILM explain response for missing policy #103720 (issue: #99030)
  • Add default rollover conditions to ILM explain API response #104721 (issue: #103395)
  • ILM/SLM history policies forcemerge in hot and dsl configuration #103190
Infra/CLI
  • Add replay diagnostic dir to system jvm options #103535
Infra/Circuit Breakers
  • Lower G1 minimum full GC interval #105259
Infra/Core
  • Adding threadpool metrics #102371
  • ES - document observing with rejections #104859
  • Thread pool metrics #104500
Infra/Metrics
  • Modify name of threadpool metric for rejected #105015
Infra/Node Lifecycle
  • Wait for async searches to finish when shutting down #101487
Infra/Transport API
  • Make ParentTaskAssigningClient.getRemoteClusterClient method also return ParentTaskAssigningClient #100813
Ingest Node
  • Adding ActionRequestLazyBuilder implementation of RequestBuilder #104927
  • Adding a RequestBuilder interface #104778
  • Adding a custom exception for problems with the graph of pipelines to be applied to a document #105196
  • Improving the performance of the ingest simulate verbose API #105265
  • Ingest geoip processor cache no results from the database #104092
  • Limiting the number of nested pipelines that can be executed #105428
  • Modifying request builders #104636
Java Low Level REST Client
  • Set thread name used by REST client #103160
Machine Learning
  • Add optional pruning configuration (weighted terms scoring) to text expansion query #102862
  • Add text_embedding inference service with multilingual-e5 and custom eland models #104949
  • Add 3 automatic restarts for pytorch_inference processes that stop unexpectedly #104433
  • Add support for Cohere inference service #104559
  • Always test for spikes and dips as well as changes in the change point aggregation #103922
  • Apply windowing and chunking to long documents #104363
  • Automatically download the ELSER model when PUT in _inference #104334
  • Better handling of number of allocations in pytorch_inference in the case that hardware_concurrency fails #2607
  • Change detection aggregation improvements #102824
  • Conditionally send the dimensions field as part of the openai requests #105299 (issue: #105005)
  • Endpoint to find positions of Grok pattern matches #104394
  • Ensure unique IDs between inference models and trained model deployments #103996
  • Expose some ML metrics via APM #102584
  • Make task_type optional in _inference APIs #104483
  • Update missingTrainedModel message to include: you may need to create it #104155
  • Upgrade MKL to version 2024.0 on Linux x86_64 #2619
  • Upgrade PyTorch to version 2.1.2. #2588
  • Upgrade zlib to version 1.2.13 on Windows #2588
  • Use Boost.JSON for JSON processing #2614
  • Validate inference model ids #103669
Mapping
  • Add index.mapping.total_fields.ignore_dynamic_beyond_limit setting to ignore dynamic fields when field limit is reached #96235
  • Make field limit more predictable #102885
Network
  • Prune unnecessary information from TransportNodesStatsAction.NodeStatsRequest #102559 (issue: #100878)
Percolator
Query Languages
  • Introduce Alias.unwrap method #104575
Search
  • Dyamically adjust node metrics cache expire #104460
  • Enhancement: Metrics for Search Took Times using Action Listeners #104996
  • Field caps performance pt2 #105941
  • Field-caps field has value lookup use map instead of looping array #105770
  • Flag in _field_caps to return only fields with values in index #103651
  • Include better output in profiling & toString for automaton based queries #105468
  • Metrics for search latencies #102557
  • Ref count search response bytes #103763 (issue: #102657)
  • Remove leniency in msearch parsing #103232
  • Resolve Cluster API #102726
  • Reuse number field mapper tests in other modules #99142 (issue: #92947)
  • S3 first byte latency metric #102435
  • Update s3 latency metric to use micros #103633
  • Upgrade to Lucene 9.10.0 #105578
Security
  • Add Query Users API #104033
  • Add ApiKey expiration time to audit log #103959
  • Add expiration time to update api key api #103453
  • Add stricter validation for api key expiration time #103973
  • Add support for the simple_query_string to the Query API Key API #104132
  • Add support for the type parameter, for sorting, to the Query API Key API #104625
  • Aggs support for Query API Key Information API #104895
  • Hot-reloadable remote cluster credentials #102798
Snapshot/Restore
Store
  • List hidden shard stores by default #103710
TLS
  • elasticsearch-certutil cert now verifies the issuing chain of the generated certificate #103948
TSDB
  • Improve storage efficiency for non-metric fields in TSDB #99747
  • Introduce experimental pass-through field type #103648
  • Nest pass-through objects within objects #105062
  • Restrict usage of certain aggregations when in sort order execution is required #104665
  • Small time series agg improvement #106288
Transform
  • Allow transforms to use PIT with remote clusters again #105192 (issue: #104518)
  • Transforms: Adding basic stats API param #104878
Vector Search
  • Add new int8_flat and flat vector index types #104872
  • Add support for more than one inner_hit when searching nested vectors #104006
  • Making k and num_candidates optional for knn search #101209 (issue: #97533)

New features

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Data streams
  • Add require_data_stream parameter to indexing requests to enforce indexing operations target a data stream #101872 (issue: #97032)
  • Redirect failed ingest node operations to a failure store when available #103481
ES|QL
  • ESQL: Introduce mode setting for ENRICH #103949
  • ESQL: add =~ operator (case insensitive equality) #103656
Health
  • Create a DSL health indicator as part of the health API #103130
Infra/Core
  • Add gradle tasks and code to modify and access mappings between version ids and release versions #103627
Mapping
Search
  • Added Duplicate Word Check Feature to Analysis Nori #103325 (issue: #103321)
  • [Synonyms] Mark Synonyms as GA #103223

Upgrades

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Query Languages
Search
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