Merge branch '9.1' into backport/9.1/pr-133819

Author: pquentin

rest-api-spec/src/main/resources/rest-api-spec/api/indices.cancel_migrate_reindex.json

@@ -4,8 +4,8 @@
       "url":"https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-cancel-migrate-reindex",
       "description":"Cancel a migration reindex operation"
     },
-    "stability":"experimental",
-    "visibility":"private",
+    "stability":"stable",
+    "visibility":"public",
     "headers":{
       "accept": [ "application/json"],
       "content_type": ["application/json"]

rest-api-spec/src/main/resources/rest-api-spec/api/indices.create_from.json

@@ -4,8 +4,8 @@
       "url":"https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-create-from",
       "description":"Create an index from a source index"
     },
-    "stability":"experimental",
-    "visibility":"private",
+    "stability":"stable",
+    "visibility":"public",
     "headers":{
       "accept": [ "application/json"],
       "content_type": ["application/json"]

rest-api-spec/src/main/resources/rest-api-spec/api/indices.get_migrate_reindex_status.json

@@ -4,8 +4,8 @@
       "url":"https://www.elastic.co/docs/api/doc/elasticsearch/group/endpoint-migration",
       "description":"Get the migration reindexing status"
     },
-    "stability":"experimental",
-    "visibility":"private",
+    "stability":"stable",
+    "visibility":"public",
     "headers":{
       "accept": [ "application/json"],
       "content_type": ["application/json"]

rest-api-spec/src/main/resources/rest-api-spec/api/indices.migrate_reindex.json

@@ -4,8 +4,8 @@
       "url":"https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-migrate-reindex",
       "description":"Reindex legacy backing indices"
     },
-    "stability":"experimental",
-    "visibility":"private",
+    "stability":"stable",
+    "visibility":"public",
     "headers":{
       "accept": [ "application/json"],
       "content_type": ["application/json"]

rest-api-spec/src/main/resources/rest-api-spec/api/query_rules.test.json

@@ -4,7 +4,7 @@
       "url": "https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-query-rules-test",
       "description": "Test a query ruleset"
     },
-    "stability": "experimental",
+    "stability": "stable",
     "visibility": "public",
     "headers": {
       "accept": [