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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.
This commit is contained in:
Adrien Grand 2019-03-12 08:10:18 +01:00 committed by GitHub
parent 34006105ae
commit 5528554aac
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5 changed files with 471 additions and 20 deletions
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2
docs/reference/migration/migrate_7_0.asciidoc
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@ -16,6 +16,7 @@ See also <<release-highlights>> and <<es-release-notes>>.
* <<breaking_70_indices_changes>>
* <<breaking_70_mappings_changes>>
* <<breaking_70_search_changes>>
* <<breaking_70_suggesters_changes>>
* <<breaking_70_packaging_changes>>
* <<breaking_70_plugins_changes>>
* <<breaking_70_analysis_changes>>
@ -61,6 +62,7 @@ include::migrate_7_0/discovery.asciidoc[]
include::migrate_7_0/indices.asciidoc[]
include::migrate_7_0/mappings.asciidoc[]
include::migrate_7_0/search.asciidoc[]
include::migrate_7_0/suggesters.asciidoc[]
include::migrate_7_0/packaging.asciidoc[]
include::migrate_7_0/plugins.asciidoc[]
include::migrate_7_0/api.asciidoc[]

7
docs/reference/migration/migrate_7_0/aggregations.asciidoc
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@ -32,3 +32,10 @@ being provided via the `params` object as `params._agg`.
The metric aggregation has been changed to require these two script parameters to ensure users are
explicitly defining how their data is processed.
[float]
==== `percentiles` and `percentile_ranks` now return `null` instead of `NaN`
The `percentiles` and `percentile_ranks` aggregations used to return `NaN` in
the response if they were applied to an empty set of values. Because `NaN` is
not officially supported by JSON, it has been replaced with `null`.

6
docs/reference/migration/migrate_7_0/api.asciidoc
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@ -154,3 +154,9 @@ However, the monitoring APIs were the only exception to this rule. This exceptio
has been forfeited and index monitoring privileges have to be granted explicitly,
using the `allow_restricted_indices` flag on the permission (as any other index
privilege).
[float]
==== Removed support for `GET` on the `_cache/clear` API
The `_cache/clear` API no longer supports the `GET` HTTP verb. It must be called
with `POST`.

9
docs/reference/migration/migrate_7_0/suggesters.asciidoc Normal file
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@ -0,0 +1,9 @@
[float]
[[breaking_70_suggesters_changes]]
=== Suggesters changes
[float]
==== Registration of suggesters in plugins has changed
Plugins must now explicitly indicate the type of suggestion that they produce.

467
docs/reference/release-notes/7.0.0-alpha1.asciidoc
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@ -7,26 +7,453 @@ The changes listed below have been released for the first time in Elasticsearch
[float]
=== Breaking changes
Core::
* Tribe node has been removed in favor of Cross-Cluster-Search
Cross-Cluster-Search::
* `http_addresses` has been removed from the <<cluster-remote-info>> API
because it is expensive to fetch and no longer needed by Kibana.
Rest API::
* The Clear Cache API only supports `POST` as HTTP method
* `CircuitBreakingException` was previously mapped to HTTP status code 503 and is now
mapped as HTTP status code 429.
Aggregations::
* The Percentiles and PercentileRanks aggregations now return `null` in the REST response,
instead of `NaN`. This makes it consistent with the rest of the aggregations. Note:
this only applies to the REST response, the java objects continue to return `NaN` (also
consistent with other 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]
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]
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::
* Plugins that register suggesters can now define their own types of suggestions and must
explicitly indicate the type of suggestion that they produce. Existing plugins will
require changes to their plugin registration. See the `custom-suggester` example
plugin {pull}30284[#30284]
* 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
Aggregations::
* 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])
Suggesters::
* 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])