Merge branch 'master' into one-schema-to-rule

Author: kibanamachine

.github/CODEOWNERS

@@ -79,6 +79,7 @@
 
 # Uptime
 /x-pack/plugins/uptime @elastic/uptime
+/x-pack/plugins/observability/public/components/shared/exploratory_view @elastic/uptime
 /x-pack/test/functional_with_es_ssl/apps/uptime  @elastic/uptime
 /x-pack/test/functional/apps/uptime @elastic/uptime
 /x-pack/test/api_integration/apis/uptime @elastic/uptime

NOTICE.txt

@@ -261,33 +261,6 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
----
-This product bundles childnode-remove which is available under a
-"MIT" license.
-
-The MIT License (MIT)
-
-Copyright (c) 2016-present, jszhou
-https://github.com/jserz/js_piece
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
 ---
 This product bundles code based on probot-metadata@1.0.0 which is
 available under a "MIT" license.

docs/developer/advanced/upgrading-nodejs.asciidoc

@@ -14,10 +14,14 @@ Theses files must be updated when upgrading Node.js:
   - {kib-repo}blob/{branch}/.node-version[`.node-version`]
   - {kib-repo}blob/{branch}/.nvmrc[`.nvmrc`]
   - {kib-repo}blob/{branch}/package.json[`package.json`] - The version is specified in the `engines.node` field.
+  - {kib-repo}blob/{branch}/WORKSPACE.bazel[`WORKSPACE.bazel`] - The version is specified in the `node_version` property.
+    Besides this property, the list of files under `node_repositories` must be updated along with their respective SHA256 hashes.
+    These can be found on the https://nodejs.org[nodejs.org] website.
+    Example for Node.js v14.16.1: https://nodejs.org/dist/v14.16.1/SHASUMS256.txt.asc
 
-See PR {kib-repo}pull/86593[#86593] for an example of how the Node.js version has been upgraded previously.
+See PR {kib-repo}pull/96382[#96382] for an example of how the Node.js version has been upgraded previously.
 
-In the 6.8 branch, the `.ci/Dockerfile` file does not exist, so when upgrading Node.js in that branch, just skip that file.
+In the 6.8 branch, neither the `.ci/Dockerfile` file nor the `WORKSPACE.bazel` file exists, so when upgrading Node.js in that branch, just skip those files.
 
 === Backporting
 

docs/developer/plugin-list.asciidoc

@@ -485,6 +485,10 @@ Elastic.
 |Welcome to the Kibana rollup plugin! This plugin provides Kibana support for Elasticsearch's rollup feature. Please refer to the Elasticsearch documentation to understand rollup indices and how to create rollup jobs.
 
 
+|{kib-repo}blob/{branch}/x-pack/plugins/rule_registry/README.md[ruleRegistry]
+|The rule registry plugin aims to make it easy for rule type producers to have their rules produce the data that they need to build rich experiences on top of a unified experience, without the risk of mapping conflicts.
+
+
 |{kib-repo}blob/{branch}/x-pack/plugins/runtime_fields/README.md[runtimeFields]
 |Welcome to the home of the runtime field editor and everything related to runtime fields!
 

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.autorefreshdonefn.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) &gt; [AutoRefreshDoneFn](./kibana-plugin-plugins-data-public.autorefreshdonefn.md)
+
+## AutoRefreshDoneFn type
+
+<b>Signature:</b>
+
+```typescript
+export declare type AutoRefreshDoneFn = () => void;
+```

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.indexpatternselectprops.md

@@ -12,6 +12,5 @@ export declare type IndexPatternSelectProps = Required<Omit<EuiComboBoxProps<any
     indexPatternId: string;
     fieldTypes?: string[];
     onNoIndexPatterns?: () => void;
-    maxIndexPatterns?: number;
 };
 ```

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.isearchoptions.md

@@ -19,6 +19,7 @@ export interface ISearchOptions
 |  [isRestore](./kibana-plugin-plugins-data-public.isearchoptions.isrestore.md) | <code>boolean</code> | Whether the session is restored (i.e. search requests should re-use the stored search IDs, rather than starting from scratch) |
 |  [isStored](./kibana-plugin-plugins-data-public.isearchoptions.isstored.md) | <code>boolean</code> | Whether the session is already saved (i.e. sent to background) |
 |  [legacyHitsTotal](./kibana-plugin-plugins-data-public.isearchoptions.legacyhitstotal.md) | <code>boolean</code> | Request the legacy format for the total number of hits. If sending <code>rest_total_hits_as_int</code> to something other than <code>true</code>, this should be set to <code>false</code>. |
+|  [requestResponder](./kibana-plugin-plugins-data-public.isearchoptions.requestresponder.md) | <code>RequestResponder</code> |  |
 |  [sessionId](./kibana-plugin-plugins-data-public.isearchoptions.sessionid.md) | <code>string</code> | A session ID, grouping multiple search requests into a single session. |
 |  [strategy](./kibana-plugin-plugins-data-public.isearchoptions.strategy.md) | <code>string</code> | Use this option to force using a specific server side search strategy. Leave empty to use the default strategy. |
 

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.isearchoptions.requestresponder.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) &gt; [ISearchOptions](./kibana-plugin-plugins-data-public.isearchoptions.md) &gt; [requestResponder](./kibana-plugin-plugins-data-public.isearchoptions.requestresponder.md)
+
+## ISearchOptions.requestResponder property
+
+<b>Signature:</b>
+
+```typescript
+requestResponder?: RequestResponder;
+```

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.kbn_field_types.md

@@ -27,6 +27,7 @@ export declare enum KBN_FIELD_TYPES
 |  HISTOGRAM | <code>&quot;histogram&quot;</code> |  |
 |  IP | <code>&quot;ip&quot;</code> |  |
 |  IP\_RANGE | <code>&quot;ip_range&quot;</code> |  |
+|  MISSING | <code>&quot;missing&quot;</code> |  |
 |  MURMUR3 | <code>&quot;murmur3&quot;</code> |  |
 |  NESTED | <code>&quot;nested&quot;</code> |  |
 |  NUMBER | <code>&quot;number&quot;</code> |  |

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.md

@@ -47,6 +47,7 @@
 |  [getSearchParamsFromRequest(searchRequest, dependencies)](./kibana-plugin-plugins-data-public.getsearchparamsfromrequest.md) |  |
 |  [getTime(indexPattern, timeRange, options)](./kibana-plugin-plugins-data-public.gettime.md) |  |
 |  [plugin(initializerContext)](./kibana-plugin-plugins-data-public.plugin.md) |  |
+|  [waitUntilNextSessionCompletes$(sessionService, { waitForIdle })](./kibana-plugin-plugins-data-public.waituntilnextsessioncompletes_.md) | Creates an observable that emits when next search session completes. This utility is helpful to use in the application to delay some tasks until next session completes. |
 
 ## Interfaces
 
@@ -92,6 +93,7 @@
 |  [SearchInterceptorDeps](./kibana-plugin-plugins-data-public.searchinterceptordeps.md) |  |
 |  [SearchSessionInfoProvider](./kibana-plugin-plugins-data-public.searchsessioninfoprovider.md) | Provide info about current search session to be stored in the Search Session saved object |
 |  [SearchSourceFields](./kibana-plugin-plugins-data-public.searchsourcefields.md) | search source fields |
+|  [WaitUntilNextSessionCompletesOptions](./kibana-plugin-plugins-data-public.waituntilnextsessioncompletesoptions.md) | Options for [waitUntilNextSessionCompletes$()](./kibana-plugin-plugins-data-public.waituntilnextsessioncompletes_.md) |
 
 ## Variables
 
@@ -141,6 +143,7 @@
 |  [AggParam](./kibana-plugin-plugins-data-public.aggparam.md) |  |
 |  [AggsStart](./kibana-plugin-plugins-data-public.aggsstart.md) | AggsStart represents the actual external contract as AggsCommonStart is only used internally. The difference is that AggsStart includes the typings for the registry with initialized agg types. |
 |  [AutocompleteStart](./kibana-plugin-plugins-data-public.autocompletestart.md) | \* |
+|  [AutoRefreshDoneFn](./kibana-plugin-plugins-data-public.autorefreshdonefn.md) |  |
 |  [CustomFilter](./kibana-plugin-plugins-data-public.customfilter.md) |  |
 |  [EsaggsExpressionFunctionDefinition](./kibana-plugin-plugins-data-public.esaggsexpressionfunctiondefinition.md) |  |
 |  [EsdslExpressionFunctionDefinition](./kibana-plugin-plugins-data-public.esdslexpressionfunctiondefinition.md) |  |