diff --git a/core/dbt/contracts/graph/nodes.py b/core/dbt/contracts/graph/nodes.py
index 8fc39c7621b..a7f0af5b1a5 100644
--- a/core/dbt/contracts/graph/nodes.py
+++ b/core/dbt/contracts/graph/nodes.py
@@ -475,6 +475,8 @@ def __post_serialize__(self, dct: Dict, context: Optional[Dict] = None):
             del dct["_has_this"]
         if "previous_batch_results" in dct:
             del dct["previous_batch_results"]
+        if "batch" in dct:
+            del dct["batch"]
         return dct
 
     @classmethod
@@ -1371,6 +1373,12 @@ def search_name(self):
     def group(self):
         return None
 
+    def __post_serialize__(self, dct: Dict, context: Optional[Dict] = None):
+        dct = super().__post_serialize__(dct, context)
+        if "_event_status" in dct:
+            del dct["_event_status"]
+        return dct
+
 
 # ====================================
 # Exposure node
diff --git a/schemas/dbt/manifest/v12.json b/schemas/dbt/manifest/v12.json
index 5e9198b07f6..4ee1b3545a7 100644
--- a/schemas/dbt/manifest/v12.json
+++ b/schemas/dbt/manifest/v12.json
@@ -13,7 +13,7 @@
         },
         "dbt_version": {
           "type": "string",
-          "default": "1.9.0b4"
+          "default": "1.10.0a1"
         },
         "generated_at": {
           "type": "string"
@@ -4205,6 +4205,12 @@
                 },
                 "additionalProperties": false
               },
+              "_extra": {
+                "type": "object",
+                "propertyNames": {
+                  "type": "string"
+                }
+              },
               "access": {
                 "enum": [
                   "private",
@@ -4779,7 +4785,7 @@
                 "default": null
               }
             },
-            "additionalProperties": false,
+            "additionalProperties": true,
             "required": [
               "database",
               "schema",
@@ -7690,6 +7696,12 @@
           "identifier": {
             "type": "string"
           },
+          "_extra": {
+            "type": "object",
+            "propertyNames": {
+              "type": "string"
+            }
+          },
           "quoting": {
             "type": "object",
             "title": "Quoting",
@@ -8223,7 +8235,7 @@
             "default": null
           }
         },
-        "additionalProperties": false,
+        "additionalProperties": true,
         "required": [
           "database",
           "schema",
@@ -9121,19 +9133,7 @@
                         "type": "integer"
                       },
                       "granularity": {
-                        "enum": [
-                          "nanosecond",
-                          "microsecond",
-                          "millisecond",
-                          "second",
-                          "minute",
-                          "hour",
-                          "day",
-                          "week",
-                          "month",
-                          "quarter",
-                          "year"
-                        ]
+                        "type": "string"
                       }
                     },
                     "additionalProperties": false,
@@ -14014,6 +14014,12 @@
                       },
                       "additionalProperties": false
                     },
+                    "_extra": {
+                      "type": "object",
+                      "propertyNames": {
+                        "type": "string"
+                      }
+                    },
                     "access": {
                       "enum": [
                         "private",
@@ -14588,7 +14594,7 @@
                       "default": null
                     }
                   },
-                  "additionalProperties": false,
+                  "additionalProperties": true,
                   "required": [
                     "database",
                     "schema",
@@ -17490,6 +17496,12 @@
                     "identifier": {
                       "type": "string"
                     },
+                    "_extra": {
+                      "type": "object",
+                      "propertyNames": {
+                        "type": "string"
+                      }
+                    },
                     "quoting": {
                       "type": "object",
                       "title": "Quoting",
@@ -18023,7 +18035,7 @@
                       "default": null
                     }
                   },
-                  "additionalProperties": false,
+                  "additionalProperties": true,
                   "required": [
                     "database",
                     "schema",
@@ -18712,19 +18724,7 @@
                                   "type": "integer"
                                 },
                                 "granularity": {
-                                  "enum": [
-                                    "nanosecond",
-                                    "microsecond",
-                                    "millisecond",
-                                    "second",
-                                    "minute",
-                                    "hour",
-                                    "day",
-                                    "week",
-                                    "month",
-                                    "quarter",
-                                    "year"
-                                  ]
+                                  "type": "string"
                                 }
                               },
                               "additionalProperties": false,
@@ -20024,6 +20024,27 @@
                               }
                             ],
                             "default": null
+                          },
+                          "config": {
+                            "anyOf": [
+                              {
+                                "type": "object",
+                                "title": "SemanticLayerElementConfig",
+                                "properties": {
+                                  "meta": {
+                                    "type": "object",
+                                    "propertyNames": {
+                                      "type": "string"
+                                    }
+                                  }
+                                },
+                                "additionalProperties": false
+                              },
+                              {
+                                "type": "null"
+                              }
+                            ],
+                            "default": null
                           }
                         },
                         "additionalProperties": false,
@@ -20178,6 +20199,27 @@
                               }
                             ],
                             "default": null
+                          },
+                          "config": {
+                            "anyOf": [
+                              {
+                                "type": "object",
+                                "title": "SemanticLayerElementConfig",
+                                "properties": {
+                                  "meta": {
+                                    "type": "object",
+                                    "propertyNames": {
+                                      "type": "string"
+                                    }
+                                  }
+                                },
+                                "additionalProperties": false
+                              },
+                              {
+                                "type": "null"
+                              }
+                            ],
+                            "default": null
                           }
                         },
                         "additionalProperties": false,
@@ -20341,6 +20383,27 @@
                               }
                             ],
                             "default": null
+                          },
+                          "config": {
+                            "anyOf": [
+                              {
+                                "type": "object",
+                                "title": "SemanticLayerElementConfig",
+                                "properties": {
+                                  "meta": {
+                                    "type": "object",
+                                    "propertyNames": {
+                                      "type": "string"
+                                    }
+                                  }
+                                },
+                                "additionalProperties": false
+                              },
+                              {
+                                "type": "null"
+                              }
+                            ],
+                            "default": null
                           }
                         },
                         "additionalProperties": false,
@@ -21586,6 +21649,27 @@
                     }
                   ],
                   "default": null
+                },
+                "config": {
+                  "anyOf": [
+                    {
+                      "type": "object",
+                      "title": "SemanticLayerElementConfig",
+                      "properties": {
+                        "meta": {
+                          "type": "object",
+                          "propertyNames": {
+                            "type": "string"
+                          }
+                        }
+                      },
+                      "additionalProperties": false
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
                 }
               },
               "additionalProperties": false,
@@ -21740,6 +21824,27 @@
                     }
                   ],
                   "default": null
+                },
+                "config": {
+                  "anyOf": [
+                    {
+                      "type": "object",
+                      "title": "SemanticLayerElementConfig",
+                      "properties": {
+                        "meta": {
+                          "type": "object",
+                          "propertyNames": {
+                            "type": "string"
+                          }
+                        }
+                      },
+                      "additionalProperties": false
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
                 }
               },
               "additionalProperties": false,
@@ -21903,6 +22008,27 @@
                     }
                   ],
                   "default": null
+                },
+                "config": {
+                  "anyOf": [
+                    {
+                      "type": "object",
+                      "title": "SemanticLayerElementConfig",
+                      "properties": {
+                        "meta": {
+                          "type": "object",
+                          "propertyNames": {
+                            "type": "string"
+                          }
+                        }
+                      },
+                      "additionalProperties": false
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "default": null
                 }
               },
               "additionalProperties": false,
diff --git a/tests/functional/artifacts/test_artifacts.py b/tests/functional/artifacts/test_artifacts.py
index 92ec8abe196..1927edea06c 100644
--- a/tests/functional/artifacts/test_artifacts.py
+++ b/tests/functional/artifacts/test_artifacts.py
@@ -503,6 +503,8 @@ def verify_manifest(project, expected_manifest, start_time, manifest_schema_path
         elif key in ["nodes", "sources", "exposures", "metrics", "disabled", "docs"]:
             for unique_id, node in expected_manifest[key].items():
                 assert unique_id in manifest[key]
+                # if "_event_status" in manifest[key][unique_id]:
+                #     del manifest[key][unique_id]["_event_status"]
                 assert manifest[key][unique_id] == node, f"{unique_id} did not match"
         else:  # ['docs', 'parent_map', 'child_map', 'group_map', 'selectors', 'semantic_models', 'saved_queries']
             assert manifest[key] == expected_manifest[key]
diff --git a/tests/unit/utils/__init__.py b/tests/unit/utils/__init__.py
index 6669bad45c9..01b980b96d2 100644
--- a/tests/unit/utils/__init__.py
+++ b/tests/unit/utils/__init__.py
@@ -201,7 +201,7 @@ def assert_from_dict(obj, dct, cls=None):
     if hasattr(obj, "created_at"):
         obj_from_dict.created_at = 1
         obj.created_at = 1
-    if "_event_status" in obj.extra:
+    if hasattr(obj, "extra") and "_event_status" in obj.extra:
         obj.extra["_event_status"] = None
         obj_from_dict.extra["_event_status"] = None
     assert obj_from_dict == obj