diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 4287fc75e4..576d5859df 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -55152,7 +55152,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -55164,7 +55173,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L61-L81"
+      "specLocation": "_types/Knn.ts#L64-L87"
     },
     {
       "kind": "type_alias",
@@ -55203,7 +55212,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L83-L86",
+      "specLocation": "_types/Knn.ts#L89-L92",
       "variants": {
         "kind": "container"
       }
@@ -55238,7 +55247,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L88-L91"
+      "specLocation": "_types/Knn.ts#L94-L97"
     },
     {
       "kind": "interface",
@@ -67241,7 +67250,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -67253,7 +67271,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L35-L59"
+      "specLocation": "_types/Knn.ts#L35-L62"
     },
     {
       "kind": "interface",
@@ -141795,7 +141813,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -141807,7 +141834,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L64-L79"
+      "specLocation": "_types/Retriever.ts#L64-L82"
     },
     {
       "inherits": {
@@ -141862,7 +141889,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L81-L88"
+      "specLocation": "_types/Retriever.ts#L84-L91"
     },
     {
       "inherits": {
@@ -141938,7 +141965,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L90-L101"
+      "specLocation": "_types/Retriever.ts#L93-L104"
     },
     {
       "inherits": {
@@ -142001,7 +142028,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L103-L112"
+      "specLocation": "_types/Retriever.ts#L106-L115"
     },
     {
       "inherits": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 5616d2661c..62f1eea61c 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -47790,7 +47790,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -47802,7 +47811,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L61-L81"
+      "specLocation": "_types/Knn.ts#L64-L87"
     },
     {
       "kind": "interface",
@@ -47890,7 +47899,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -47902,7 +47920,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L64-L79"
+      "specLocation": "_types/Retriever.ts#L64-L82"
     },
     {
       "kind": "interface",
@@ -48037,7 +48055,16 @@
           }
         },
         {
-          "description": "Apply oversampling and rescoring to quantized vectors",
+          "availability": {
+            "serverless": {
+              "stability": "experimental"
+            },
+            "stack": {
+              "since": "8.18.0",
+              "stability": "experimental"
+            }
+          },
+          "description": "Apply oversampling and rescoring to quantized vectors *",
           "name": "rescore_vector",
           "required": false,
           "type": {
@@ -48049,7 +48076,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L35-L59"
+      "specLocation": "_types/Knn.ts#L35-L62"
     },
     {
       "kind": "interface",
@@ -49363,7 +49390,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L83-L86",
+      "specLocation": "_types/Knn.ts#L89-L92",
       "variants": {
         "kind": "container"
       }
@@ -49421,7 +49448,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L81-L88"
+      "specLocation": "_types/Retriever.ts#L84-L91"
     },
     {
       "kind": "interface",
@@ -50075,7 +50102,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L103-L112"
+      "specLocation": "_types/Retriever.ts#L106-L115"
     },
     {
       "kind": "type_alias",
@@ -51971,7 +51998,7 @@
           }
         }
       ],
-      "specLocation": "_types/Knn.ts#L88-L91"
+      "specLocation": "_types/Knn.ts#L94-L97"
     },
     {
       "kind": "interface",
@@ -52047,7 +52074,7 @@
           }
         }
       ],
-      "specLocation": "_types/Retriever.ts#L90-L101"
+      "specLocation": "_types/Retriever.ts#L93-L104"
     },
     {
       "kind": "enum",
diff --git a/specification/_types/Knn.ts b/specification/_types/Knn.ts
index a2bc539889..b64553c334 100644
--- a/specification/_types/Knn.ts
+++ b/specification/_types/Knn.ts
@@ -54,7 +54,10 @@ export interface KnnSearch {
    * @doc_id knn-inner-hits
    */
   inner_hits?: InnerHits
-  /** Apply oversampling and rescoring to quantized vectors */
+  /** Apply oversampling and rescoring to quantized vectors *
+   * @availability stack since=8.18.0 stability=experimental
+   * @availability serverless stability=experimental
+   */
   rescore_vector?: RescoreVector
 }
 
@@ -76,7 +79,10 @@ export interface KnnQuery extends QueryBase {
   filter?: QueryContainer | QueryContainer[]
   /** The minimum similarity for a vector to be considered a match */
   similarity?: float
-  /** Apply oversampling and rescoring to quantized vectors */
+  /** Apply oversampling and rescoring to quantized vectors *
+   * @availability stack since=8.18.0 stability=experimental
+   * @availability serverless stability=experimental
+   */
   rescore_vector?: RescoreVector
 }
 
diff --git a/specification/_types/Retriever.ts b/specification/_types/Retriever.ts
index 73bf634231..ff487a1fd5 100644
--- a/specification/_types/Retriever.ts
+++ b/specification/_types/Retriever.ts
@@ -74,7 +74,10 @@ export class KnnRetriever extends RetrieverBase {
   num_candidates: integer
   /** The minimum similarity required for a document to be considered a match.  */
   similarity?: float
-  /** Apply oversampling and rescoring to quantized vectors */
+  /** Apply oversampling and rescoring to quantized vectors *
+   * @availability stack since=8.18.0 stability=experimental
+   * @availability serverless stability=experimental
+   */
   rescore_vector?: RescoreVector
 }