diff --git a/output/schema/schema.json b/output/schema/schema.json
index 3e5c8dd616..0d06570fb4 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -1,6 +1,6 @@
 {
   "_info": {
-    "hash": "f23bf34",
+    "hash": "47078b712",
     "license": {
       "name": "Apache 2.0",
       "url": "https://github.com/elastic/elasticsearch-specification/blob/master/LICENSE"
@@ -89717,7 +89717,7 @@
       "properties": [
         {
           "name": "threshold_enabled",
-          "required": true,
+          "required": false,
           "type": {
             "items": [
               {
@@ -89901,22 +89901,52 @@
           "name": "mode",
           "required": false,
           "type": {
-            "kind": "instance_of",
-            "type": {
-              "name": "SegmentSortMode",
-              "namespace": "indices._types"
-            }
+            "items": [
+              {
+                "kind": "instance_of",
+                "type": {
+                  "name": "SegmentSortMode",
+                  "namespace": "indices._types"
+                }
+              },
+              {
+                "kind": "array_of",
+                "value": {
+                  "kind": "instance_of",
+                  "type": {
+                    "name": "SegmentSortMode",
+                    "namespace": "indices._types"
+                  }
+                }
+              }
+            ],
+            "kind": "union_of"
           }
         },
         {
           "name": "missing",
           "required": false,
           "type": {
-            "kind": "instance_of",
-            "type": {
-              "name": "SegmentSortMissing",
-              "namespace": "indices._types"
-            }
+            "items": [
+              {
+                "kind": "instance_of",
+                "type": {
+                  "name": "SegmentSortMissing",
+                  "namespace": "indices._types"
+                }
+              },
+              {
+                "kind": "array_of",
+                "value": {
+                  "kind": "instance_of",
+                  "type": {
+                    "name": "SegmentSortMissing",
+                    "namespace": "indices._types"
+                  }
+                }
+              }
+            ],
+            "kind": "union_of"
           }
         }
       ]
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index e2839b5ecc..8644f6be03 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -8899,7 +8899,7 @@ export interface IndicesIndexRoutingAllocation {
 }
 
 export interface IndicesIndexRoutingAllocationDisk {
-  threshold_enabled: boolean | string
+  threshold_enabled?: boolean | string
 }
 
 export interface IndicesIndexRoutingAllocationInclude {
@@ -8922,8 +8922,8 @@ export type IndicesIndexRoutingRebalanceOptions = 'all' | 'primaries' | 'replica
 export interface IndicesIndexSegmentSort {
   field: Fields
   order: IndicesSegmentSortOrder | IndicesSegmentSortOrder[]
-  mode?: IndicesSegmentSortMode
-  missing?: IndicesSegmentSortMissing
+  mode?: IndicesSegmentSortMode | IndicesSegmentSortMode[]
+  missing?: IndicesSegmentSortMissing | IndicesSegmentSortMissing[]
 }
 
 export interface IndicesIndexSettingBlocks {
diff --git a/specification/indices/_types/IndexRouting.ts b/specification/indices/_types/IndexRouting.ts
index 3c68a512c2..16f5e9235a 100644
--- a/specification/indices/_types/IndexRouting.ts
+++ b/specification/indices/_types/IndexRouting.ts
@@ -58,6 +58,7 @@ export class IndexRoutingAllocationInitialRecovery {
   _id?: Id
 }
 
+// ES: DiskThresholdSettings
 export class IndexRoutingAllocationDisk {
-  threshold_enabled: boolean | string
+  threshold_enabled?: boolean | string
 }
diff --git a/specification/indices/_types/IndexSegmentSort.ts b/specification/indices/_types/IndexSegmentSort.ts
index c8b55ace68..6b96328f11 100644
--- a/specification/indices/_types/IndexSegmentSort.ts
+++ b/specification/indices/_types/IndexSegmentSort.ts
@@ -22,8 +22,8 @@ import { Fields } from '@_types/common'
 export class IndexSegmentSort {
   field: Fields
   order: SegmentSortOrder | SegmentSortOrder[]
-  mode?: SegmentSortMode
-  missing?: SegmentSortMissing
+  mode?: SegmentSortMode | SegmentSortMode[]
+  missing?: SegmentSortMissing | SegmentSortMissing[]
 }
 
 export enum SegmentSortOrder {