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OpenSearch/docs/reference/release-notes/7.0.0-alpha1.asciidoc

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Migrate migration docs from 6.0 to 7.0 (#26227) * Migrate migration docs from 6.0 to 7.0 Since we only keep one version of migration docs and master is now on 7.0, we should migrate these so breaking changes can be added in the right place. * Remove release notes as well They link to the migration guides, so they have to go. * Add placeholder notes for 7.0 so doc build is happy
2017-08-16 15:12:44 -04:00
[[release-notes-7.0.0-alpha1]]
[DOCS] Adds placeholder for alpha2 release notes
2018-12-11 17:24:47 -05:00
== {es} version 7.0.0-alpha1
Migrate migration docs from 6.0 to 7.0 (#26227) * Migrate migration docs from 6.0 to 7.0 Since we only keep one version of migration docs and master is now on 7.0, we should migrate these so breaking changes can be added in the right place. * Remove release notes as well They link to the migration guides, so they have to go. * Add placeholder notes for 7.0 so doc build is happy
2017-08-16 15:12:44 -04:00
The changes listed below have been released for the first time in Elasticsearch 7.0.0-alpha1.
[[breaking-7.0.0-alpha1]]
[float]
=== Breaking changes
Generate release notes for 7.0.0-alpha1. (#39899) We were missing release notes for 7.0.0-alpha1. I generated them by running the release-notes script with a quick hack that filtered out pull requests that had been closed on or after 2018-11-15. Some breaking changes had been documented in the release notes rather than the migration guide so I moved them.
2019-03-12 03:10:18 -04:00
Aggregations::
* Remove support for deprecated params._agg/_aggs for scripted metric aggregations {pull}32979[#32979] (issues: {issue}29328[#29328], {issue}31597[#31597])
* Percentile/Ranks should return null instead of NaN when empty {pull}30460[#30460] (issue: {issue}29066[#29066])
* Render sum as zero if count is zero for stats aggregation {pull}27193[#27193] (issue: {issue}26893[#26893])
Analysis::
* Remove `delimited_payload_filter` {pull}27705[#27705] (issues: {issue}26625[#26625], {issue}27704[#27704])
* Limit the number of tokens produced by _analyze {pull}27529[#27529] (issue: {issue}27038[#27038])
* Add limits for ngram and shingle settings {pull}27211[#27211] (issue: {issue}25887[#25887])
Audit::
* Logfile auditing settings remove after deprecation {pull}35205[#35205]
Authentication::
* Security: remove wrapping in put user response {pull}33512[#33512] (issue: {issue}32332[#32332])
Authorization::
* Remove aliases resolution limitations when security is enabled {pull}31952[#31952] (issue: {issue}31516[#31516])
CRUD::
* Version conflict exception message enhancement {pull}29432[#29432] (issue: {issue}21278[#21278])
* Using ObjectParser in UpdateRequest {pull}29293[#29293] (issue: {issue}28740[#28740])
Distributed::
* Remove undocumented action.master.force_local setting {pull}29351[#29351]
* Remove tribe node support {pull}28443[#28443]
* Forbid negative values for index.unassigned.node_left.delayed_timeout {pull}26828[#26828]
Features/Indices APIs::
* Indices Exists API should return 404 for empty wildcards {pull}34499[#34499]
* Default to one shard {pull}30539[#30539]
* Limit the number of nested documents {pull}27405[#27405] (issue: {issue}26962[#26962])
Features/Ingest::
* INGEST: Add Configuration Except. Data to Metdata {pull}32322[#32322] (issue: {issue}27728[#27728])
Features/Stats::
* Remove the suggest metric from stats APIs {pull}29635[#29635] (issue: {issue}29589[#29589])
* Align cat thread pool info to thread pool config {pull}29195[#29195] (issue: {issue}29123[#29123])
* Align thread pool info to thread pool configuration {pull}29123[#29123] (issue: {issue}29113[#29113])
Geo::
* Use geohash cell instead of just a corner in geo_bounding_box {pull}30698[#30698] (issue: {issue}25154[#25154])
Infra/Circuit Breakers::
* Introduce durability of circuit breaking exception {pull}34460[#34460] (issue: {issue}31986[#31986])
* Circuit-break based on real memory usage {pull}31767[#31767]
Infra/Core::
* Core: Default node.name to the hostname {pull}33677[#33677]
* Remove bulk fallback for write thread pool {pull}29609[#29609]
* CCS: Drop http address from remote cluster info {pull}29568[#29568] (issue: {issue}29207[#29207])
* Remove the index thread pool {pull}29556[#29556]
* Main response should not have status 503 when okay {pull}29045[#29045] (issue: {issue}8902[#8902])
* Automatically prepare indices for splitting {pull}27451[#27451]
* Don't refresh on `_flush` `_force_merge` and `_upgrade` {pull}27000[#27000] (issue: {issue}26972[#26972])
Infra/Packaging::
* Packaging: Remove windows bin files from the tar distribution {pull}30596[#30596]
Infra/REST API::
* REST: Remove GET support for clear cache indices {pull}29525[#29525]
* REST : Clear Indices Cache API remove deprecated url params {pull}29068[#29068]
REST: Remove GET support for clear cache indices (#29525) Clearing the cache indices can be done via GET and POST. As GET should only support read only operations, this removes the support for using GET for clearing the indices caches.
2018-04-27 02:41:36 -04:00
Generate release notes for 7.0.0-alpha1. (#39899) We were missing release notes for 7.0.0-alpha1. I generated them by running the release-notes script with a quick hack that filtered out pull requests that had been closed on or after 2018-11-15. Some breaking changes had been documented in the release notes rather than the migration guide so I moved them.
2019-03-12 03:10:18 -04:00
Infra/Scripting::
* Remove support for deprecated StoredScript contexts {pull}31394[#31394] (issues: {issue}27612[#27612], {issue}28939[#28939])
* Scripting: Remove getDate methods from ScriptDocValues {pull}30690[#30690]
* Handle missing and multiple values in script {pull}29611[#29611] (issue: {issue}29286[#29286])
* Drop `ScriptDocValues#date` and `ScriptDocValues#dates` in 7.0.0 [ISSUE] {pull}23008[#23008]
CCS: Drop http address from remote cluster info (#29568) They are expensive to fetch and no longer needed by Kibana so they *shouldn't* be needed by anyone else either. Closes #29207
2018-04-27 14:19:00 -04:00
Generate release notes for 7.0.0-alpha1. (#39899) We were missing release notes for 7.0.0-alpha1. I generated them by running the release-notes script with a quick hack that filtered out pull requests that had been closed on or after 2018-11-15. Some breaking changes had been documented in the release notes rather than the migration guide so I moved them.
2019-03-12 03:10:18 -04:00
Infra/Settings::
* Remove config prompting for secrets and text {pull}27216[#27216]
Mapping::
* Match phrase queries against non-indexed fields should throw an exception {pull}31060[#31060]
* Remove legacy mapping code. {pull}29224[#29224]
* Reject updates to the `_default_` mapping. {pull}29165[#29165] (issues: {issue}15613[#15613], {issue}28248[#28248])
* Remove the `update_all_types` option. {pull}28288[#28288]
* Remove the `_default_` mapping. {pull}28248[#28248]
* Reject the `index_options` parameter for numeric fields {pull}26668[#26668] (issue: {issue}21475[#21475])
Network::
* Network: Remove http.enabled setting {pull}29601[#29601] (issue: {issue}12792[#12792])
* Remove HTTP max content length leniency {pull}29337[#29337]
Percolator::
* remove deprecated percolator map_unmapped_fields_as_string setting {pull}28060[#28060]
Ranking::
* Add minimal sanity checks to custom/scripted similarities. {pull}33564[#33564] (issue: {issue}33309[#33309])
* Scroll queries asking for rescore are considered invalid {pull}32918[#32918] (issue: {issue}31775[#31775])
Search::
* Remove deprecated url parameters `_source_include` and `_source_exclude` {pull}35097[#35097] (issues: {issue}22792[#22792], {issue}33475[#33475])
* Disallow negative query boost {pull}34486[#34486] (issue: {issue}33309[#33309])
* Forbid negative `weight` in Function Score Query {pull}33390[#33390] (issue: {issue}31927[#31927])
* In the field capabilities API, remove support for providing fields in the request body. {pull}30185[#30185]
* Remove deprecated options for query_string {pull}29203[#29203] (issue: {issue}25551[#25551])
* Fix Laplace scorer to multiply by alpha (and not add) {pull}27125[#27125]
* Remove _primary and _replica shard preferences {pull}26791[#26791] (issue: {issue}26335[#26335])
* Limit the number of expanded fields it query_string and simple_query_string {pull}26541[#26541] (issue: {issue}25105[#25105])
* Make purely negative queries return scores of 0. {pull}26015[#26015] (issue: {issue}23449[#23449])
Snapshot/Restore::
* Include size of snapshot in snapshot metadata {pull}30890[#30890] (issue: {issue}18543[#18543])
* Remove azure deprecated settings {pull}26099[#26099] (issue: {issue}23405[#23405])
Store::
* drop elasticsearch-translog for 7.0 {pull}33373[#33373] (issues: {issue}31389[#31389], {issue}32281[#32281])
* completely drop `index.shard.check_on_startup: fix` for 7.0 {pull}33194[#33194]
Suggesters::
* Fix threshold frequency computation in Suggesters {pull}34312[#34312] (issue: {issue}34282[#34282])
* Make Geo Context Mapping Parsing More Strict {pull}32821[#32821] (issues: {issue}32202[#32202], {issue}32412[#32412])
* Make Geo Context Parsing More Strict {pull}32412[#32412] (issue: {issue}32202[#32202])
* Remove the ability to index or query context suggestions without context {pull}31007[#31007] (issue: {issue}30712[#30712])
[[breaking-java-7.0.0-alpha1]]
[float]
=== Breaking Java changes
Percentile/Ranks should return null instead of NaN when empty (#30460) The other metric aggregations (min/max/etc) return `null` as their XContent value and string when nothing was computed (due to empty/missing fields). Percentiles and Percentile Ranks, however, return `NaN `which is inconsistent and confusing for the user. This fixes the inconsistency by making the aggs return `null`. This applies to both the numeric value and the "as string" value. Note: like the metric aggs, this does not change the value if fetched directly from the percentiles object, which will return as `NaN`/`"NaN"`. This only changes the XContent output. While this is a bugfix, it still breaks bwc in a minor way as the response changes from prior version. Closes #29066
2018-06-18 10:01:28 -04:00
Aggregations::
Generate release notes for 7.0.0-alpha1. (#39899) We were missing release notes for 7.0.0-alpha1. I generated them by running the release-notes script with a quick hack that filtered out pull requests that had been closed on or after 2018-11-15. Some breaking changes had been documented in the release notes rather than the migration guide so I moved them.
2019-03-12 03:10:18 -04:00
* Change GeoHashGrid.Bucket#getKey() to return String {pull}31748[#31748] (issue: {issue}30320[#30320])
Analysis::
* Remove deprecated AnalysisPlugin#requriesAnalysisSettings method {pull}32037[#32037] (issue: {issue}32025[#32025])
Features/Java High Level REST Client::
* API: Drop deprecated methods from Retry {pull}33925[#33925]
* REST hl client: cluster health to default to cluster level {pull}31268[#31268] (issue: {issue}29331[#29331])
* REST high-level Client: remove deprecated API methods {pull}31200[#31200] (issue: {issue}31069[#31069])
Features/Java Low Level REST Client::
* LLREST: Drop deprecated methods {pull}33223[#33223] (issues: {issue}29623[#29623], {issue}30315[#30315])
Geo::
* [Geo] Decouple geojson parse logic from ShapeBuilders {pull}27212[#27212]
Infra/Core::
* Core: Remove RequestBuilder from Action {pull}30966[#30966]
Infra/Transport API::
* Java api clean up: remove deprecated `isShardsAcked` {pull}28311[#28311] (issues: {issue}27784[#27784], {issue}27819[#27819])
[[deprecation-7.0.0-alpha1]]
[float]
=== Deprecations
Analysis::
* Replace parameter unicodeSetFilter with unicode_set_filter {pull}29215[#29215] (issue: {issue}22823[#22823])
* Replace delimited_payload_filter by delimited_payload {pull}26625[#26625] (issue: {issue}21978[#21978])
Features/Indices APIs::
* Default copy settings to true and deprecate on the REST layer {pull}30598[#30598]
Infra/Transport API::
* Deprecate the transport client in favour of the high-level REST client {pull}27085[#27085]
Mapping::
* Deprecate type exists requests. {pull}34663[#34663]
Search::
* Deprecate filtering on `_type`. {pull}29468[#29468] (issue: {issue}15613[#15613])
[[feature-7.0.0-alpha1]]
[float]
=== New features
Analysis::
* Relax TermVectors API to work with textual fields other than TextFieldType {pull}31915[#31915] (issue: {issue}31902[#31902])
CCR::
* Generalize search.remote settings to cluster.remote {pull}33413[#33413]
Distributed::
* log messages from allocation commands {pull}25955[#25955] (issues: {issue}22821[#22821], {issue}25325[#25325])
Features/Ingest::
* Revert "Introduce a Hashing Processor (#31087)" {pull}32178[#32178]
* Add ingest-attachment support for per document `indexed_chars` limit {pull}28977[#28977] (issue: {issue}28942[#28942])
Features/Java High Level REST Client::
* GraphClient for the high level REST client and associated tests {pull}32366[#32366]
Features/Monitoring::
* [Elasticsearch Monitoring] Collect only display_name (for now) {pull}35265[#35265] (issue: {issue}8445[#8445])
Infra/Core::
* Skip shard refreshes if shard is `search idle` {pull}27500[#27500]
Infra/Logging::
* Logging: Unify log rotation for index/search slow log {pull}27298[#27298]
Infra/Plugins::
* Reload secure settings for plugins {pull}31383[#31383] (issue: {issue}29135[#29135])
Infra/REST API::
* Add an `include_type_name` option. {pull}29453[#29453] (issue: {issue}15613[#15613])
Machine Learning::
* [ML] Filter undefined job groups from update job calendar actions {pull}30757[#30757]
Mapping::
* Add a `feature_vector` field. {pull}31102[#31102] (issue: {issue}27552[#27552])
* Expose Lucene's FeatureField. {pull}30618[#30618]
Ranking::
* Add ranking evaluation API {pull}27478[#27478] (issue: {issue}19195[#19195])
Recovery::
* Allow to trim all ops above a certain seq# with a term lower than X, … {pull}31211[#31211] (issue: {issue}10708[#10708])
SQL::
* SQL: Add basic support for ST_AsWKT geo function {pull}34205[#34205]
* SQL: Add support for SYS GEOMETRY_COLUMNS {pull}30496[#30496] (issue: {issue}29872[#29872])
Search::
* Add “took” timing info to response for _msearch/template API {pull}30961[#30961] (issue: {issue}30957[#30957])
* Expose the lucene Matches API to searches [ISSUE] {pull}29631[#29631]
* Add allow_partial_search_results flag to search requests with default setting true {pull}28440[#28440] (issue: {issue}27435[#27435])
* Enable adaptive replica selection by default {pull}26522[#26522] (issue: {issue}24915[#24915])
serialize suggestion responses as named writeables (#30284) Suggestion responses were previously serialized as streamables which made writing suggesters in plugins with custom suggestion response types impossible. This commit makes them serialized as named writeables and provides a facility for registering a reader for suggestion responses when registering a suggester. This also makes Suggestion responses abstract, requiring a suggester implementation to provide its own types. Suggesters which do not need anything additional to what is defined in Suggest.Suggestion should provide a minimal subclass. The existing plugin suggester integration tests are removed and replaced with an equivalent implementation as an example plugin.
2018-08-07 16:31:00 -04:00
Suggesters::
Generate release notes for 7.0.0-alpha1. (#39899) We were missing release notes for 7.0.0-alpha1. I generated them by running the release-notes script with a quick hack that filtered out pull requests that had been closed on or after 2018-11-15. Some breaking changes had been documented in the release notes rather than the migration guide so I moved them.
2019-03-12 03:10:18 -04:00
* serialize suggestion responses as named writeables {pull}30284[#30284] (issue: {issue}26585[#26585])
[[enhancement-7.0.0-alpha1]]
[float]
=== Enhancements
Aggregations::
* Uses MergingDigest instead of AVLDigest in percentiles agg {pull}28702[#28702] (issue: {issue}19528[#19528])
Discovery-Plugins::
* Rename discovery.zen.minimum_master_nodes [ISSUE] {pull}14058[#14058]
Engine::
* Remove versionType from translog {pull}31945[#31945]
* do retry if primary fails on AsyncAfterWriteAction {pull}31857[#31857] (issues: {issue}31716[#31716], {issue}31755[#31755])
* handle AsyncAfterWriteAction exception before listener is registered {pull}31755[#31755] (issue: {issue}31716[#31716])
* Use IndexWriter#flushNextBuffer to free memory {pull}27753[#27753]
* Remove pre 6.0.0 support from InternalEngine {pull}27720[#27720]
Features/Indices APIs::
* Add cluster-wide shard limit {pull}32856[#32856] (issue: {issue}20705[#20705])
* Remove RestGetAllAliasesAction {pull}31308[#31308] (issue: {issue}31129[#31129])
* Add rollover-creation-date setting to rolled over index {pull}31144[#31144] (issue: {issue}30887[#30887])
* add is-write-index flag to aliases {pull}30942[#30942]
* Make index and bulk APIs work without types. {pull}29479[#29479]
Features/Ingest::
* ingest: Add ignore_missing property to foreach filter (#22147) {pull}31578[#31578] (issue: {issue}22147[#22147])
Features/Java High Level REST Client::
* HLRC API for _termvectors {pull}32610[#32610] (issue: {issue}27205[#27205])
Features/Stats::
* Stats to record how often the ClusterState diff mechanism is used successfully {pull}26973[#26973]
Features/Watcher::
* Watcher: Validate email adresses when storing a watch {pull}34042[#34042] (issue: {issue}33980[#33980])
Infra/Circuit Breakers::
* Have circuit breaker succeed on unknown mem usage {pull}33125[#33125] (issue: {issue}31767[#31767])
* Account for XContent overhead in in-flight breaker {pull}31613[#31613]
* Script Stats: Add compilation limit counter to stats {pull}26387[#26387]
Infra/Core::
* Add RunOnce utility class that executes a Runnable exactly once {pull}35484[#35484]
* Improved IndexNotFoundException's default error message {pull}34649[#34649] (issue: {issue}34628[#34628])
* Set a bounded default for http.max_warning_header_count [ISSUE] {pull}33479[#33479]
Infra/Packaging::
* Choose JVM options ergonomically {pull}30684[#30684]
Infra/REST API::
* Remove hand-coded XContent duplicate checks {pull}34588[#34588] (issues: {issue}22073[#22073], {issue}22225[#22225], {issue}22253[#22253])
* Add the `include_type_name` option to the search and document APIs. {pull}29506[#29506] (issue: {issue}15613[#15613])
* Validate `op_type` for `_create` {pull}27483[#27483]
Infra/Scripting::
* Tests: Add support for custom contexts to mock scripts {pull}34100[#34100]
* Scripting: Reflect factory signatures in painless classloader {pull}34088[#34088]
* Handle missing values in painless {pull}32207[#32207] (issue: {issue}29286[#29286])
Infra/Settings::
* Settings: Add keystore creation to add commands {pull}26126[#26126]
Infra/Transport API::
* Change BWC version for VerifyRepositoryResponse {pull}30796[#30796] (issue: {issue}30762[#30762])
Network::
* Add cors support to NioHttpServerTransport {pull}30827[#30827] (issue: {issue}28898[#28898])
* Reintroduce mandatory http pipelining support {pull}30820[#30820]
* Make http pipelining support mandatory {pull}30695[#30695] (issues: {issue}28898[#28898], {issue}29500[#29500])
* Add nio http server transport {pull}29587[#29587] (issue: {issue}28898[#28898])
* Add class for serializing message to bytes {pull}29384[#29384] (issue: {issue}28898[#28898])
* Selectors operate on channel contexts {pull}28468[#28468] (issue: {issue}27260[#27260])
* Unify nio read / write channel contexts {pull}28160[#28160] (issue: {issue}27260[#27260])
* Create nio-transport plugin for NioTransport {pull}27949[#27949] (issue: {issue}27260[#27260])
* Add elasticsearch-nio jar for base nio classes {pull}27801[#27801] (issue: {issue}27802[#27802])
Ranking::
* Add k parameter to PrecisionAtK metric {pull}27569[#27569]
SQL::
* SQL: Introduce support for NULL values {pull}34573[#34573] (issue: {issue}32079[#32079])
Search::
* Make limit on number of expanded fields configurable {pull}35284[#35284] (issues: {issue}26541[#26541], {issue}34778[#34778])
* Search: Simply SingleFieldsVisitor {pull}34052[#34052]
* Don't count hits via the collector if the hit count can be computed from index stats. {pull}33701[#33701]
* Limit the number of concurrent requests per node {pull}31206[#31206] (issue: {issue}31192[#31192])
* Default max concurrent search req. numNodes * 5 {pull}31171[#31171] (issues: {issue}30783[#30783], {issue}30994[#30994])
* Change ScriptException status to 400 (bad request) {pull}30861[#30861] (issue: {issue}12315[#12315])
* Change default value to true for transpositions parameter of fuzzy query {pull}26901[#26901]
* Introducing "took" time (in ms) for `_msearch` {pull}23767[#23767] (issue: {issue}23131[#23131])
Snapshot/Restore::
* #31608 Add S3 Setting to Force Path Type Access {pull}34721[#34721] (issue: {issue}31608[#31608])
Store::
* add RemoveCorruptedShardDataCommand {pull}32281[#32281] (issues: {issue}31389[#31389], {issue}32279[#32279])
ZenDiscovery::
* [Zen2] Introduce vote withdrawal {pull}35446[#35446]
* Zen2: Add basic Zen1 transport-level BWC {pull}35443[#35443]
* Zen2: Add diff-based publishing {pull}35290[#35290]
* [Zen2] Introduce auto_shrink_voting_configuration setting {pull}35217[#35217]
* Introduce transport API for cluster bootstrapping {pull}34961[#34961]
* [Zen2] Reconfigure cluster as its membership changes {pull}34592[#34592] (issue: {issue}33924[#33924])
* Zen2: Fail fast on disconnects {pull}34503[#34503]
* [Zen2] Add storage-layer disruptions to CoordinatorTests {pull}34347[#34347]
* [Zen2] Add low-level bootstrap implementation {pull}34345[#34345]
* [Zen2] Gather votes from all nodes {pull}34335[#34335]
* Zen2: Add Cluster State Applier {pull}34257[#34257]
* [Zen2] Add safety phase to CoordinatorTests {pull}34241[#34241]
* [Zen2] Integrate FollowerChecker with Coordinator {pull}34075[#34075]
* Integrate LeaderChecker with Coordinator {pull}34049[#34049]
* Zen2: Trigger join when active master detected {pull}34008[#34008]
* Zen2: Update PeerFinder term on term bump {pull}33992[#33992]
* [Zen2] Calculate optimal cluster configuration {pull}33924[#33924]
* [Zen2] Introduce FollowersChecker {pull}33917[#33917]
* Zen2: Integrate publication pipeline into Coordinator {pull}33771[#33771]
* Zen2: Add DisruptableMockTransport {pull}33713[#33713]
* [Zen2] Implement basic cluster formation {pull}33668[#33668]
* [Zen2] Introduce LeaderChecker {pull}33024[#33024]
* Zen2: Add leader-side join handling logic {pull}33013[#33013]
* [Zen2] Add PeerFinder#onFoundPeersUpdated {pull}32939[#32939]
* [Zen2] Introduce PreVoteCollector {pull}32847[#32847]
* [Zen2] Introduce ElectionScheduler {pull}32846[#32846]
* [Zen2] Introduce ElectionScheduler {pull}32709[#32709]
* [Zen2] Add HandshakingTransportAddressConnector {pull}32643[#32643] (issue: {issue}32246[#32246])
* [Zen2] Add UnicastConfiguredHostsResolver {pull}32642[#32642] (issue: {issue}32246[#32246])
* Zen2: Cluster state publication pipeline {pull}32584[#32584] (issue: {issue}32006[#32006])
* [Zen2] Introduce gossip-like discovery of master nodes {pull}32246[#32246]
* Add core coordination algorithm for cluster state publishing {pull}32171[#32171] (issue: {issue}32006[#32006])
* Add term and config to cluster state {pull}32100[#32100] (issue: {issue}32006[#32006])
[[bug-7.0.0-alpha1]]
[float]
=== Bug fixes
Aggregations::
* Fix InternalAutoDateHistogram reproducible failure {pull}32723[#32723] (issue: {issue}32215[#32215])
Analysis::
* Close #26771: beider_morse phonetic encoder failure when languageset unspecified {pull}26848[#26848] (issue: {issue}26771[#26771])
Authorization::
* Empty GetAliases authorization fix {pull}34444[#34444] (issue: {issue}31952[#31952])
Docs Infrastructure::
* Docs build fails due to missing nexus.png [ISSUE] {pull}33101[#33101]
Features/Indices APIs::
* Validate top-level keys for create index request (#23755) {pull}23869[#23869] (issue: {issue}23755[#23755])
Features/Ingest::
* INGEST: Fix Deprecation Warning in Script Proc. {pull}32407[#32407]
Features/Java High Level REST Client::
* HLRC: Drop extra level from user parser {pull}34932[#34932]
Features/Java Low Level REST Client::
* Remove I/O pool blocking sniffing call from onFailure callback, add some logic around host exclusion {pull}27985[#27985] (issue: {issue}27984[#27984])
Features/Watcher::
* Watcher: Ignore system locale/timezone in croneval CLI tool {pull}33215[#33215]
Geo::
* [build] Test `GeoShapeQueryTests#testPointsOnly` fails [ISSUE] {pull}27454[#27454]
Infra/Core::
* Ensure shard is refreshed once it's inactive {pull}27559[#27559] (issue: {issue}27500[#27500])
Infra/Settings::
* Change format how settings represent lists / array {pull}26723[#26723]
Infra/Transport API::
* Remove version read/write logic in Verify Response {pull}30879[#30879] (issue: {issue}30807[#30807])
* Enable muted Repository test {pull}30875[#30875] (issue: {issue}30807[#30807])
* Bad regex in CORS settings should throw a nicer error {pull}29108[#29108]
License::
* Update versions for start_trial after backport {pull}30218[#30218] (issue: {issue}30135[#30135])
Mapping::
* Ensure that field aliases cannot be used in multi-fields. {pull}32219[#32219]
Network::
* Adjust SSLDriver behavior for JDK11 changes {pull}32145[#32145] (issues: {issue}32122[#32122], {issue}32144[#32144])
* Netty4SizeHeaderFrameDecoder error {pull}31057[#31057]
* Fix memory leak in http pipelining {pull}30815[#30815] (issue: {issue}30801[#30801])
* Fix issue with finishing handshake in ssl driver {pull}30580[#30580]
Search::
* Ensure realtime `_get` and `_termvectors` don't run on the network thread {pull}33814[#33814] (issue: {issue}27500[#27500])
* [bug] fuzziness custom auto {pull}33462[#33462] (issue: {issue}33454[#33454])
* Fix inner hits retrieval when stored fields are disabled (_none_) {pull}33018[#33018] (issue: {issue}32941[#32941])
* Set maxScore for empty TopDocs to Nan rather than 0 {pull}32938[#32938]
* Handle leniency for cross_fields type in multi_match query {pull}27045[#27045] (issue: {issue}23210[#23210])
* Raise IllegalArgumentException instead if query validation failed {pull}26811[#26811] (issue: {issue}26799[#26799])
Security::
* Handle 6.4.0+ BWC for Application Privileges {pull}32929[#32929]
ZenDiscovery::
* [Zen2] Remove duplicate discovered peers {pull}35505[#35505]
[[upgrade-7.0.0-alpha1]]
[float]
=== Upgrades
Geo::
* Upgrade JTS to 1.14.0 {pull}29141[#29141] (issue: {issue}29122[#29122])
Infra/Core::
* Upgrade to a Lucene 8 snapshot {pull}33310[#33310] (issues: {issue}32899[#32899], {issue}33028[#33028], {issue}33309[#33309])
Network::
* NETWORKING: Fix Netty Leaks by upgrading to 4.1.28 {pull}32511[#32511] (issue: {issue}32487[#32487])