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8.0.0-alpha1.asciidoc

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{es} version 8.0.0-alpha1

Breaking changes

Aggregations

  • Percentiles aggregation: disallow specifying same percentile values twice {es-pull}52257[#52257] (issue: {es-issue}51871[#51871])

  • Remove Adjacency_matrix setting {es-pull}46327[#46327] (issues: {es-issue}46257[#46257], {es-issue}46324[#46324])

  • Remove MovingAverage pipeline aggregation {es-pull}39328[#39328]

  • Remove deprecated _time and _term sort orders {es-pull}39450[#39450]

  • Remove deprecated date histo interval {es-pull}75000[#75000]

Allocation

  • Breaking change for single data node setting {es-pull}73737[#73737] (issues: {es-issue}55805[#55805], {es-issue}73733[#73733])

  • Remove include_relocations setting {es-pull}47717[#47717] (issues: {es-issue}46079[#46079], {es-issue}47443[#47443])

Analysis

  • Cleanup versioned deprecations in analysis {es-pull}41560[#41560] (issue: {es-issue}41164[#41164])

  • Remove preconfigured delimited_payload_filter {es-pull}43686[#43686] (issues: {es-issue}41560[#41560], {es-issue}43684[#43684])

Authentication

  • Always add file and native realms unless explicitly disabled {es-pull}69096[#69096] (issue: {es-issue}50892[#50892])

  • Do not set a NameID format in Policy by default {es-pull}44090[#44090] (issue: {es-issue}40353[#40353])

  • Make order setting mandatory for Realm config {es-pull}51195[#51195] (issue: {es-issue}37614[#37614])

CCR

  • Avoid auto following leader system indices in CCR {es-pull}72815[#72815] (issue: {es-issue}67686[#67686])

Cluster Coordination

  • Remove join timeout {es-pull}60873[#60873] (issue: {es-issue}60872[#60872])

  • Remove node filters for voting config exclusions {es-pull}55673[#55673] (issues: {es-issue}47990[#47990], {es-issue}50836[#50836])

  • Remove support for delaying state recovery pending master {es-pull}53845[#53845] (issue: {es-issue}51806[#51806])

Distributed

  • Remove synced flush {es-pull}50882[#50882] (issues: {es-issue}50776[#50776], {es-issue}50835[#50835])

  • Remove the cluster.remote.connect setting {es-pull}54175[#54175] (issue: {es-issue}53924[#53924])

Engine

  • Force merge should reject requests with only_expunge_deletes and max_num_segments set {es-pull}44761[#44761] (issue: {es-issue}43102[#43102])

  • Remove per-type indexing stats {es-pull}47203[#47203] (issue: {es-issue}41059[#41059])

  • Remove translog retention settings {es-pull}51697[#51697] (issue: {es-issue}50775[#50775])

Features/CAT APIs

  • Remove the deprecated local parameter for _cat/indices {es-pull}64868[#64868] (issue: {es-issue}62198[#62198])

  • Remove the deprecated local parameter for _cat/shards {es-pull}64867[#64867] (issue: {es-issue}62197[#62197])

Features/Features

  • Remove deprecated ._tier allocation filtering settings {es-pull}73074[#73074] (issue: {es-issue}72835[#72835])

Features/ILM+SLM

  • Add lower bound on poll_interval {es-pull}39593[#39593] (issue: {es-issue}39163[#39163])

Features/Indices APIs

  • Change prefer_v2_templates parameter to default to true {es-pull}55489[#55489] (issues: {es-issue}53101[#53101], {es-issue}55411[#55411])

  • Remove deprecated _upgrade API {es-pull}64732[#64732] (issue: {es-issue}21337[#21337])

  • Remove local parameter for get field mapping request {es-pull}55100[#55100] (issue: {es-issue}55099[#55099])

  • Remove include_type_name parameter from REST layer {es-pull}48632[#48632] (issue: {es-issue}41059[#41059])

  • Remove the template field in index templates {es-pull}49460[#49460] (issue: {es-issue}21009[#21009])

Features/Watcher

  • Move watcher history to data stream {es-pull}64252[#64252]

Geo

  • Disallow creating geo_shape mappings with deprecated parameters {es-pull}70850[#70850] (issue: {es-issue}32039[#32039])

  • Remove bounding box query type parameter {es-pull}74536[#74536]

Infra/Circuit Breakers

  • Fixed synchronizing inflight breaker with internal variable {es-pull}40878[#40878]

Infra/Core

  • Fail when using multiple data paths {es-pull}72184[#72184] (issue: {es-issue}71205[#71205])

  • Limit processors by available processors {es-pull}44894[#44894] (issue: {es-issue}44889[#44889])

  • Remove nodes/0 folder prefix from data path {es-pull}42489[#42489]

  • Remove bootstrap.system_call_filter setting {es-pull}72848[#72848]

  • Remove fixed_auto_queue_size threadpool type {es-pull}52280[#52280]

  • Remove node.max_local_storage_nodes {es-pull}42428[#42428] (issue: {es-issue}42426[#42426])

  • Remove camel case named formats {es-pull}60044[#60044]

  • Remove legacy role settings {es-pull}71163[#71163] (issues: {es-issue}54998[#54998], {es-issue}66409[#66409], {es-issue}71143[#71143])

  • Remove processors setting {es-pull}45905[#45905] (issue: {es-issue}45855[#45855])

  • Remove the local parameter of /_cat/nodes {es-pull}50594[#50594] (issues: {es-issue}50088[#50088], {es-issue}50499[#50499])

  • Remove the listener thread pool {es-pull}53314[#53314] (issue: {es-issue}53049[#53049])

  • Remove the node local storage setting {es-pull}54381[#54381] (issue: {es-issue}54374[#54374])

  • Remove the pidfile setting {es-pull}45940[#45940] (issue: {es-issue}45938[#45938])

  • Removes week_year date format {es-pull}63384[#63384] (issue: {es-issue}60707[#60707])

Infra/Logging

  • Remove slowlog level {es-pull}57591[#57591] (issue: {es-issue}56171[#56171])

Infra/Plugins

  • Remove deprecated basic license feature enablement settings from 8.0 {es-pull}56211[#56211] (issue: {es-issue}54745[#54745])

Infra/REST API

  • Remove content type required setting {es-pull}61043[#61043]

  • Remove deprecated endpoints containing _xpack {es-pull}48170[#48170] (issue: {es-issue}35958[#35958])

  • Remove deprecated endpoints of hot threads API {es-pull}55109[#55109] (issue: {es-issue}52640[#52640])

  • Allow parsing Content-Type and Accept headers with version {es-pull}61427[#61427]

Infra/Resiliency

  • Fail node containing ancient closed index {es-pull}44264[#44264] (issues: {es-issue}21830[#21830], {es-issue}41731[#41731], {es-issue}44230[#44230])

Infra/Scripting

  • Consolidate script parsing from object {es-pull}59507[#59507] (issue: {es-issue}59391[#59391])

  • Scripting: Move script_cache into _nodes/stats {es-pull}59265[#59265] (issues: {es-issue}50152[#50152], {es-issue}59262[#59262])

  • Scripting: Remove general cache settings {es-pull}59262[#59262] (issue: {es-issue}50152[#50152])

Infra/Settings

  • Change default value of action.destructive_requires_name to true {es-pull}66908[#66908] (issue: {es-issue}61074[#61074])

  • Forbid settings without a namespace {es-pull}45947[#45947] (issues: {es-issue}45905[#45905], {es-issue}45940[#45940])

Machine Learning

  • Remove deprecated _xpack endpoints {es-pull}59870[#59870] (issues: {es-issue}35958[#35958], {es-issue}48170[#48170])

  • Remove the ability to update datafeed’s job_id {es-pull}44752[#44752] (issue: {es-issue}44616[#44616])

Mapping

  • Remove boost mapping parameter {es-pull}62639[#62639] (issue: {es-issue}62623[#62623])

  • Remove support for chained multi-fields {es-pull}42333[#42333] (issues: {es-issue}41267[#41267], {es-issue}41926[#41926])

  • Remove support for string in unmapped_type {es-pull}45675[#45675]

  • Removes typed URLs from mapping APIs {es-pull}41676[#41676]

Network

  • Remove client feature tracking {es-pull}44929[#44929] (issues: {es-issue}31020[#31020], {es-issue}42538[#42538], {es-issue}44667[#44667])

  • Remove escape hatch permitting incompatible builds {es-pull}65753[#65753] (issues: {es-issue}65249[#65249], {es-issue}65601[#65601])

Packaging

  • Remove SysV init support {es-pull}51716[#51716] (issue: {es-issue}51480[#51480])

  • Remove support for JAVA_HOME {es-pull}69149[#69149] (issue: {es-issue}55820[#55820])

Recovery

  • Remove dangling index auto import functionality {es-pull}59698[#59698] (issue: {es-issue}48366[#48366])

Reindex

  • Reindex from Remote encoding {es-pull}41007[#41007] (issue: {es-issue}40303[#40303])

  • Reindex remove outer level size {es-pull}43373[#43373] (issues: {es-issue}24344[#24344], {es-issue}41894[#41894])

Rollup

  • RollupStart endpoint should return OK if job already started {es-pull}41502[#41502] (issues: {es-issue}35928[#35928], {es-issue}39845[#39845])

Search

  • Decouple shard allocation awareness from search and get requests {es-pull}45735[#45735] (issue: {es-issue}43453[#43453])

  • Fix range query on date fields for number inputs {es-pull}63692[#63692] (issue: {es-issue}63680[#63680])

  • Make fuzziness reject illegal values earlier {es-pull}33511[#33511]

  • Make remote cluster resolution stricter {es-pull}40419[#40419] (issue: {es-issue}37863[#37863])

  • Parse empty first line in msearch request body as action metadata {es-pull}41011[#41011] (issue: {es-issue}39841[#39841])

  • Remove CommonTermsQuery and cutoff_frequency param {es-pull}42654[#42654] (issue: {es-issue}37096[#37096])

  • Remove type query {es-pull}47207[#47207] (issue: {es-issue}41059[#41059])

  • Remove use_field_mapping format option for docvalue fields {es-pull}55622[#55622]

  • Remove deprecated SimpleQueryStringBuilder parameters {es-pull}57200[#57200]

  • Remove deprecated search.remote settings {es-pull}42381[#42381] (issues: {es-issue}33413[#33413], {es-issue}38556[#38556])

  • Remove deprecated sort options: nested_path and nested_filter {es-pull}42809[#42809] (issue: {es-issue}27098[#27098])

  • Remove deprecated vector functions {es-pull}48725[#48725] (issue: {es-issue}48604[#48604])

  • Remove support for _type in searches {es-pull}68564[#68564] (issues: {es-issue}41059[#41059], {es-issue}68311[#68311])

  • Remove support for sparse vectors {es-pull}48781[#48781] (issue: {es-issue}48368[#48368])

  • Remove the object format for indices_boost {es-pull}55078[#55078]

  • Removes type from TermVectors APIs {es-pull}42198[#42198] (issue: {es-issue}41059[#41059])

  • Removes typed endpoint from search and related APIs {es-pull}41640[#41640]

  • Set max allowed size for stored async response {es-pull}74455[#74455] (issue: {es-issue}67594[#67594])

  • indices.query.bool.max_clause_count now limits all query clauses {es-pull}75297[#75297]

Security

  • Remove obsolete security settings {es-pull}40496[#40496]

  • Remove support of creating CA on the fly when generating certificates {es-pull}65590[#65590] (issue: {es-issue}61884[#61884])

  • Remove the id field from the InvalidateApiKey API {es-pull}66671[#66671] (issue: {es-issue}66317[#66317])

  • Remove the migrate tool {es-pull}42174[#42174]

  • Compress audit logs {es-pull}64472[#64472] (issue: {es-issue}63843[#63843])

  • Remove insecure settings {es-pull}46147[#46147] (issue: {es-issue}45947[#45947])

Snapshot/Restore

  • Blob store compress default to true {es-pull}40033[#40033]

  • Get snapshots support for multiple repositories {es-pull}42090[#42090] (issue: {es-issue}41210[#41210])

  • Remove repository stats API {es-pull}62309[#62309] (issue: {es-issue}62297[#62297])

  • Remove frozen cache setting leniency {es-pull}71013[#71013] (issue: {es-issue}70341[#70341])

TLS

  • Reject misconfigured/ambiguous SSL server config {es-pull}45892[#45892]

  • Remove support for configurable PKCS#11 keystores {es-pull}75404[#75404]

  • Remove the client transport profile filter {es-pull}43236[#43236]

Breaking Java changes

Authentication

  • Mandate x-pack REST handler installed {es-pull}71061[#71061] (issue: {es-issue}70523[#70523])

CCR

  • Remove the CcrClient {es-pull}42816[#42816]

CRUD

  • Remove types from BulkRequest {es-pull}46983[#46983] (issue: {es-issue}41059[#41059])

  • Remove Client.prepareIndex(index, type, id) method {es-pull}48443[#48443]

  • Remove deprecated include-type methods from HLRC indices client {es-pull}48471[#48471]

Client

  • Remove SecurityClient from x-pack {es-pull}42471[#42471]

Features/ILM+SLM

  • Remove the ILMClient {es-pull}42817[#42817]

  • Rename HLRC indexlifecycle components to ilm {es-pull}44982[#44982] (issues: {es-issue}44725[#44725], {es-issue}44917[#44917])

Features/Monitoring

  • Remove MonitoringClient from x-pack {es-pull}42770[#42770]

Features/Watcher

  • Remove WatcherClient from x-pack {es-pull}42815[#42815]

Infra/Core

  • Remove XPackClient from x-pack {es-pull}42729[#42729]

  • Remove the transport client {es-pull}42538[#42538]

  • Remove transport client from x-pack {es-pull}42202[#42202]

Infra/REST API

  • Copy HTTP headers to ThreadContext strictly {es-pull}45945[#45945]

Machine Learning

  • Remove the MachineLearningClient {es-pull}43108[#43108]

Mapping

  • Remove type filter from GetMappings API {es-pull}47364[#47364] (issue: {es-issue}41059[#41059])

  • Remove type parameter from PutMappingRequest.buildFromSimplifiedDef() {es-pull}50844[#50844] (issue: {es-issue}41059[#41059])

  • Remove unused parameter from MetadataFieldMapper.TypeParser#getDefault() {es-pull}51219[#51219]

  • Remove type parameter from CIR.mapping(type, object…​) {es-pull}50739[#50739] (issue: {es-issue}41059[#41059])

Search

  • Removes types from SearchRequest and QueryShardContext {es-pull}42112[#42112]

Snapshot/Restore

  • Remove deprecated repository methods {es-pull}42359[#42359] (issue: {es-issue}42213[#42213])

Enhancements

Analysis

  • Move reload_analyzers endpoint to x-pack {es-pull}43559[#43559]

Authentication

  • Reset elastic password CLI tool {es-pull}74892[#74892] (issues: {es-issue}70113[#70113], {es-issue}74890[#74890])

EQL

  • Add option for returning results from the tail of the stream {es-pull}64869[#64869] (issue: {es-issue}58646[#58646])

  • Introduce case insensitive variant in~ {es-pull}68176[#68176] (issue: {es-issue}68172[#68172])

  • Optimize redundant toString {es-pull}71070[#71070] (issue: {es-issue}70681[#70681])

Engine

  • Always use soft-deletes in InternalEngine {es-pull}50415[#50415]

  • Remove translog retention policy {es-pull}51417[#51417] (issue: {es-issue}50775[#50775])

Features/CAT APIs

  • Remove size and add time params to _cat/threadpool {es-pull}55736[#55736] (issue: {es-issue}54478[#54478])

Features/Stats

  • Add bulk stats track the bulk per shard {es-pull}52208[#52208] (issues: {es-issue}47345[#47345], {es-issue}50536[#50536])

Features/Watcher

  • Remove Watcher history clean up from monitoring {es-pull}67154[#67154]

Infra/Core

  • Remove aliases exist action {es-pull}43430[#43430]

  • Remove indices exists action {es-pull}43164[#43164]

  • Remove types exists action {es-pull}43344[#43344]

Infra/Logging

  • Make Elasticsearch JSON logs ECS compliant {es-pull}47105[#47105] (issue: {es-issue}46119[#46119])

Infra/REST API

  • Allow for field declaration for future compatible versions {es-pull}69774[#69774] (issue: {es-issue}51816[#51816])

  • Introduce stability description to the REST API specification {es-pull}38413[#38413]

  • Parsing: Validate that fields are not registered twice {es-pull}70243[#70243]

  • Support response content-type with versioned media type {es-pull}65500[#65500] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Typed endpoints for index and get APIs {es-pull}69131[#69131] (issue: {es-issue}54160[#54160])

  • [REST API Compatibility] Typed endpoints for put and get mapping and get field mappings {es-pull}71721[#71721] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Allow copy_settings flag for resize operations {es-pull}75184[#75184] (issues: {es-issue}38514[#38514], {es-issue}51816[#51816])

  • [REST API Compatibility] Allow for type in geo shape query {es-pull}74553[#74553] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Always return adjust_pure_negative value {es-pull}75182[#75182] (issues: {es-issue}49543[#49543], {es-issue}51816[#51816])

  • [REST API Compatibility] Clean up x-pack/plugin rest compat tests {es-pull}74701[#74701] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Do not return _doc for empty mappings in template {es-pull}75448[#75448] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160], {es-issue}70966[#70966], {es-issue}74544[#74544])

  • [REST API Compatibility] Dummy REST action for indices.upgrade API {es-pull}75136[#75136] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] REST Terms vector typed response {es-pull}73117[#73117]

  • [REST API Compatibility] Rename BulkItemResponse.Failure type field {es-pull}74937[#74937] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Type metadata for docs used in simulate request {es-pull}74222[#74222] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Typed TermLookups {es-pull}74544[#74544] (issues: {es-issue}46943[#46943], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Typed and x-pack graph explore API {es-pull}74185[#74185] (issues: {es-issue}46935[#46935], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Typed endpoint for bulk API {es-pull}73571[#73571] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Typed endpoint for multi-get API {es-pull}73878[#73878] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Typed endpoints for RestUpdateAction and RestDeleteAction {es-pull}73115[#73115] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Typed endpoints for get_source API {es-pull}73957[#73957] (issues: {es-issue}46587[#46587], {es-issue}46931[#46931], {es-issue}51816[#51816])

  • [REST API Compatibility] Typed endpoints for explain API {es-pull}73901[#73901] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Typed endpoints for search _count API {es-pull}73958[#73958] (issues: {es-issue}42112[#42112], {es-issue}51816[#51816])

  • [REST API Compatibility] Typed indexing stats {es-pull}74181[#74181] (issues: {es-issue}47203[#47203], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Types for percolate query API {es-pull}74698[#74698] (issues: {es-issue}46985[#46985], {es-issue}51816[#51816], {es-issue}54160[#54160], {es-issue}74689[#74689])

  • [REST API Compatibility] Validate query typed API {es-pull}74171[#74171] (issues: {es-issue}46927[#46927], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Voting config exclusion exception message {es-pull}75406[#75406] (issues: {es-issue}51816[#51816], {es-issue}55291[#55291])

  • [REST API Compatibility] MoreLikeThisQuery with types {es-pull}75123[#75123] (issues: {es-issue}42198[#42198], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Update and delete by query using size field {es-pull}69606[#69606]

  • [REST API Compatibility] Indicies boost in object format {es-pull}74422[#74422] (issues: {es-issue}51816[#51816], {es-issue}55078[#55078])

  • [REST API Compatibility] Typed endpoints for search and related endpoints {es-pull}72155[#72155] (issues: {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Allow to use size -1 {es-pull}75342[#75342] (issues: {es-issue}51816[#51816], {es-issue}69548[#69548], {es-issue}70209[#70209])

  • [REST API Compatibility] Ignore use_field_mapping option for docvalue {es-pull}74435[#74435] (issue: {es-issue}55622[#55622])

  • [REST API Compatibility] _time and _term sort orders {es-pull}74919[#74919] (issues: {es-issue}39450[#39450], {es-issue}51816[#51816])

  • [REST API Compatability] template parameter and field on PUT index template {es-pull}71238[#71238] (issues: {es-issue}49460[#49460], {es-issue}51816[#51816], {es-issue}68905[#68905])

  • [REST API Compatibility] Make query registration easier {es-pull}75722[#75722] (issue: {es-issue}51816[#51816])

  • [REST API Compatibility] Typed query {es-pull}75453[#75453] (issues: {es-issue}47207[#47207], {es-issue}51816[#51816], {es-issue}54160[#54160])

  • [REST API Compatibility] Deprecate the use of synced flush {es-pull}75372[#75372] (issues: {es-issue}50882[#50882], {es-issue}51816[#51816])

  • [REST API Compatibility] Licence accept_enterprise and response changes {es-pull}75479[#75479] (issues: {es-issue}50067[#50067], {es-issue}50735[#50735], {es-issue}51816[#51816], {es-issue}58217[#58217])

Infra/Scripting

  • Update DeprecationMap to DynamicMap {es-pull}56149[#56149] (issue: {es-issue}52103[#52103])

Infra/Settings

  • Fixed inconsistent Setting.exist() {es-pull}46603[#46603] (issue: {es-issue}41830[#41830])

  • Remove index.optimize_auto_generated_id setting (#27583) {es-pull}27600[#27600] (issue: {es-issue}27583[#27583])

License

  • Add deprecated accept_enterprise param to /_xpack {es-pull}58220[#58220] (issue: {es-issue}58217[#58217])

  • Support accept_enterprise param in get license API {es-pull}50067[#50067] (issue: {es-issue}49474[#49474])

Machine Learning

  • The Windows build platform for the {ml} C++ code now uses Visual Studio 2019 {ml-pull}1352[#1352]

  • The macOS build platform for the {ml} C++ code is now Mojave running Xcode 11.3.1, or Ubuntu 20.04 running clang 8 for cross compilation {ml-pull}1429[#1429]

  • The Linux build platform for the {ml} C++ code is now CentOS 7 running gcc 9.3 {ml-pull}1170[#1170]

  • Add a new application for evaluating PyTorch models. The app depends on LibTorch - the C++ front end to PyTorch - and performs inference on models stored in the TorchScript format {ml-pull}1902[#1902]

Mapping

  • Sparse vector to throw exception consistently {es-pull}62646[#62646]

Packaging

  • Make the Docker build more re-usable in Cloud {es-pull}50277[#50277] (issues: {es-issue}46166[#46166], {es-issue}49926[#49926])

  • Update docker-compose.yml to fix bootstrap check error {es-pull}47650[#47650]

Recovery

  • Use Lucene index in peer recovery and resync {es-pull}51189[#51189] (issue: {es-issue}50775[#50775])

Reindex

  • Make reindexing managed by a persistent task {es-pull}43382[#43382] (issue: {es-issue}42612[#42612])

  • Reindex restart from checkpoint {es-pull}46055[#46055] (issue: {es-issue}42612[#42612])

  • Reindex search resiliency {es-pull}45497[#45497] (issues: {es-issue}42612[#42612], {es-issue}43187[#43187])

  • Reindex v2 rethrottle sliced fix {es-pull}46967[#46967] (issues: {es-issue}42612[#42612], {es-issue}46763[#46763])

Rollup

  • Adds support for date_nanos in Rollup Metric and DateHistogram Configs {es-pull}59349[#59349] (issue: {es-issue}44505[#44505])

SQL

  • Add text formatting support for multivalue {es-pull}68606[#68606]

  • Add xDBC and CLI support. QA CSV specs {es-pull}68966[#68966]

  • Export array values through result sets {es-pull}69512[#69512]

  • Improve alias resolution in sub-queries {es-pull}67216[#67216] (issue: {es-issue}56713[#56713])

  • Improve the optimization of null conditionals {es-pull}71192[#71192]

  • Push WHERE clause inside subqueries {es-pull}71362[#71362]

  • Use Java String methods for LTRIM/RTRIM {es-pull}57594[#57594]

  • QL: Make canonical form take into account children {es-pull}71266[#71266]

  • QL: Polish optimizer expression rule declaration {es-pull}71396[#71396]

  • QL: Propagate nullability constraints across conjunctions {es-pull}71187[#71187] (issue: {es-issue}70683[#70683])

Search

  • Completely disallow setting negative size in search {es-pull}70209[#70209] (issue: {es-issue}69548[#69548])

  • Make 0 as invalid value for min_children in has_child query {es-pull}41347[#41347]

  • Return error when remote indices are locally resolved {es-pull}74556[#74556] (issue: {es-issue}26247[#26247])

Security

  • Add a tool for creating enrollment tokens {es-pull}74890[#74890]

  • Add the Enroll Kibana API {es-pull}72207[#72207]

  • Change default hashing algorithm for FIPS 140 {es-pull}55544[#55544]

  • Create enrollment token {es-pull}73573[#73573] (issues: {es-issue}71438[#71438], {es-issue}72129[#72129])

  • Enroll node API {es-pull}72129[#72129]

  • Not encoding the Api Key in Enrollment token {es-pull}74510[#74510] (issue: {es-issue}73573[#73573])

  • Configure security for the initial node CLI {es-pull}74868[#74868]

Snapshot/Restore

  • Introduce searchable snapshots index setting for cascade deletion of snapshots {es-pull}74977[#74977]

  • Unify blob store compress setting {es-pull}39346[#39346] (issue: {es-issue}39073[#39073])

  • Add recovery state tracking for searchable snapshots {es-pull}60505[#60505]

TLS

  • Add ChaCha20 TLS ciphers on Java 12+ {es-pull}42155[#42155]

  • Add support for KeyStore filters to ssl-config {es-pull}75407[#75407]

  • Update TLS ciphers and protocols for JDK 11 {es-pull}41808[#41808] (issues: {es-issue}38646[#38646], {es-issue}41385[#41385])

Bug fixes

Aggregations

  • Fix BWC issues for x_pack/usage {es-pull}55181[#55181] (issue: {es-issue}54847[#54847])

  • Fix DoubleBounds null serialization {es-pull}59475[#59475]

  • Fix TopHitsAggregationBuilder adding duplicate _score sort clauses {es-pull}42179[#42179] (issue: {es-issue}42154[#42154])

  • Fix t_test usage stats {es-pull}54753[#54753] (issue: {es-issue}54744[#54744])

  • Throw exception if legacy interval cannot be parsed in DateIntervalWrapper {es-pull}41972[#41972] (issue: {es-issue}41970[#41970])

CCR

  • Fix AutoFollow version checks {es-pull}73776[#73776] (issue: {es-issue}72935[#72935])

Cluster Coordination

  • Apply cluster states in system context {es-pull}53785[#53785] (issue: {es-issue}53751[#53751])

Distributed

  • Introduce ?wait_for_active_shards=index-setting {es-pull}67158[#67158] (issue: {es-issue}66419[#66419])

  • Respect CloseIndexRequest#waitForActiveShards in HLRC {es-pull}67374[#67374] (issues: {es-issue}67158[#67158], {es-issue}67246[#67246])

  • Fixes to task result index mapping {es-pull}50359[#50359] (issue: {es-issue}50248[#50248])

Features/CAT APIs

  • Fix cat recovery display of bytes fields {es-pull}40379[#40379] (issue: {es-issue}40335[#40335])

Features/Java High Level REST Client

  • Fix HLRC compatibility with Java 8 {es-pull}74290[#74290] (issues: {es-issue}73910[#73910], {es-issue}74272[#74272], {es-issue}74289[#74289])

  • Avoid StackOverflowError due to regex alternate paths {es-pull}61259[#61259] (issue: {es-issue}60889[#60889])

Geo

  • Preprocess polygon rings before processing it for decomposition {es-pull}59501[#59501] (issues: {es-issue}54441[#54441], {es-issue}59386[#59386])

Infra/Core

  • Add searchable snapshot cache folder to NodeEnvironment {es-pull}66297[#66297] (issue: {es-issue}65725[#65725])

  • CLI tools: Write errors to stderr instead of stdout {es-pull}45586[#45586] (issue: {es-issue}43260[#43260])

  • Precompute ParsedMediaType for XContentType {es-pull}67409[#67409]

Infra/Logging

  • Fix NPE when logging null values in JSON {es-pull}53715[#53715] (issue: {es-issue}46702[#46702])

  • Fix stats in slow logs to be a escaped JSON {es-pull}44642[#44642]

  • Populate data stream fields when xOpaqueId not provided {es-pull}62156[#62156]

Infra/REST API

  • Do not allow spaces within MediaType’s parameters {es-pull}64650[#64650] (issue: {es-issue}51816[#51816])

  • Handle incorrect header values {es-pull}64708[#64708] (issues: {es-issue}51816[#51816], {es-issue}64689[#64689])

  • Ignore media ranges when parsing {es-pull}64721[#64721] (issues: {es-issue}51816[#51816], {es-issue}64689[#64689])

  • RestController should not consume request content {es-pull}44902[#44902] (issue: {es-issue}37504[#37504])

Infra/Scripting

  • Change compound assignment structure to support string concatenation {es-pull}61825[#61825]

  • Fixes casting in constant folding {es-pull}61508[#61508]

  • Several minor Painless fixes {es-pull}61594[#61594]

Machine Learning

  • Handle null value of FieldCapabilitiesResponse {es-pull}64327[#64327]

Mapping

  • Remove assertions that mappings have one top-level key {es-pull}58779[#58779] (issue: {es-issue}58521[#58521])

Packaging

  • Suppress illegal access in plugin install {es-pull}41620[#41620] (issue: {es-issue}41478[#41478])

SQL

  • Introduce dedicated node for HAVING declaration {es-pull}71279[#71279] (issue: {es-issue}69758[#69758])

  • Make RestSqlQueryAction thread-safe {es-pull}69901[#69901]

Search

  • Check for negative from values in search request body {es-pull}54953[#54953] (issue: {es-issue}54897[#54897])

  • Fix VectorsFeatureSetUsage serialization in BWC mode {es-pull}55399[#55399] (issue: {es-issue}55378[#55378])

  • Handle total hits equal to track_total_hits {es-pull}37907[#37907] (issue: {es-issue}37897[#37897])

  • Improve error msg for CCS request on node without remote cluster role {es-pull}60351[#60351] (issue: {es-issue}59683[#59683])

Snapshot/Restore

  • Fix GET /_snapshot/_all/_all if there are no repos {es-pull}43558[#43558] (issue: {es-issue}43547[#43547])

Upgrades

Lucene

  • Upgrade to Lucene 8.9.0 {es-pull}74729[#74729]