diff --git a/copilot/declarative-agent/v1.6/schema.json b/copilot/declarative-agent/v1.6/schema.json
index 3c48bf68..1a50253c 100644
--- a/copilot/declarative-agent/v1.6/schema.json
+++ b/copilot/declarative-agent/v1.6/schema.json
@@ -61,8 +61,8 @@
         },
         "conversation_starters": {
             "type": "array",
-            "description": "Optional. A list of examples of questions that the declarative agent can answer. There MUST NOT be more than six objects in the array.",
-            "maxItems": 6,
+            "description": "Optional. A list of examples of questions that the declarative agent can answer. There MUST NOT be more than twelve objects in the array.",
+            "maxItems": 12,
             "minItems": 1,
             "items": {
                 "$ref": "#/$defs/conversation-starter"
@@ -235,7 +235,7 @@
                     "embedded_resource_snapshot_id": {
                         "type": "string",
                         "description": "A JSON string identifier provisioned by a an external file container storage service that can be used to locate the embedded knowledge files.",
-                        "pattern": "^(?!\\[\\[)(.*?)(?<!\\\\]\\\\])$"
+                        "pattern": "^(?!\\[\\[)(.*?)(?<!\\]\\])$"
                     },
                     "files": {
                         "type": "array",
@@ -286,7 +286,7 @@
                         "type": "string",
                         "description": "A JSON string that contains the file relative path for the embedded file. It is a required member.",
                         "minLength": 1,
-                        "pattern": "^(?!\\[\\[)(.*?)(?<!\\\\]\\\\])$"
+                        "pattern": "^(?!\\[\\[)(.*?)(?<!\\]\\])$"
                     }
                 },
                 "required": [
diff --git a/fabric/item/graphInstance/definition/dataSources/1.0.0/schema.json b/fabric/item/graphModel/definition/dataSources/1.0.0/schema.json
similarity index 94%
rename from fabric/item/graphInstance/definition/dataSources/1.0.0/schema.json
rename to fabric/item/graphModel/definition/dataSources/1.0.0/schema.json
index 011b3ec4..108251b3 100644
--- a/fabric/item/graphInstance/definition/dataSources/1.0.0/schema.json
+++ b/fabric/item/graphModel/definition/dataSources/1.0.0/schema.json
@@ -1,5 +1,5 @@
 {
-    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphInstance/definition/dataSources/1.0.0/schema.json",
+    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphModel/definition/dataSources/1.0.0/schema.json",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "DataSources",
     "type": "object",
diff --git a/fabric/item/graphInstance/definition/graphDefinition/1.0.0/schema.json b/fabric/item/graphModel/definition/graphDefinition/1.0.0/schema.json
similarity index 96%
rename from fabric/item/graphInstance/definition/graphDefinition/1.0.0/schema.json
rename to fabric/item/graphModel/definition/graphDefinition/1.0.0/schema.json
index ff3f03e1..4cca7e5d 100644
--- a/fabric/item/graphInstance/definition/graphDefinition/1.0.0/schema.json
+++ b/fabric/item/graphModel/definition/graphDefinition/1.0.0/schema.json
@@ -1,5 +1,5 @@
 {
-    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphInstance/definition/graphDefinition/1.0.0/schema.json",
+    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphModel/definition/graphDefinition/1.0.0/schema.json",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "GraphDefinition",
     "type": "object",
@@ -22,12 +22,6 @@
             "dataSourceName": {
               "type": "string"
             },
-            "nodeIdMapping": {
-              "type": "array",
-              "items": {
-                "type": "string"
-              }
-            },
             "propertyMappings": {
               "type": "array",
               "items": {
@@ -76,6 +70,12 @@
                 "type": "string"
               }
             },
+            "edgeIdMapping": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
             "propertyMappings": {
               "type": "array",
               "items": {
diff --git a/fabric/item/graphInstance/definition/graphType/1.0.0/schema.json b/fabric/item/graphModel/definition/graphType/1.0.0/schema.json
similarity index 92%
rename from fabric/item/graphInstance/definition/graphType/1.0.0/schema.json
rename to fabric/item/graphModel/definition/graphType/1.0.0/schema.json
index b10fc56d..4752b52c 100644
--- a/fabric/item/graphInstance/definition/graphType/1.0.0/schema.json
+++ b/fabric/item/graphModel/definition/graphType/1.0.0/schema.json
@@ -1,5 +1,5 @@
 {
-    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphInstance/definition/graphType/1.0.0/schema.json",
+    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphModel/definition/graphType/1.0.0/schema.json",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "GraphType",
     "type": "object",
@@ -38,7 +38,7 @@
                   },
                   "type": {
                     "type": "string",
-                    "enum": ["STRING", "INT", "FLOAT", "DATETIME", "BOOLEAN"]
+                    "enum": ["STRING", "INT", "FLOAT", "ZONED DATETIME", "BOOLEAN"]
                   }
                 },
                 "required": ["name", "type"]
@@ -90,7 +90,7 @@
                   },
                   "type": {
                     "type": "string",
-                    "enum": ["STRING", "INT", "FLOAT", "DATETIME", "BOOLEAN"]
+                    "enum": ["STRING", "INT", "FLOAT", "ZONED DATETIME", "BOOLEAN"]
                   }
                 },
                 "required": ["name", "type"]
diff --git a/fabric/item/graphInstance/definition/stylingConfiguration/1.0.0/schema.json b/fabric/item/graphModel/definition/stylingConfiguration/1.0.0/schema.json
similarity index 95%
rename from fabric/item/graphInstance/definition/stylingConfiguration/1.0.0/schema.json
rename to fabric/item/graphModel/definition/stylingConfiguration/1.0.0/schema.json
index e012414f..46969d12 100644
--- a/fabric/item/graphInstance/definition/stylingConfiguration/1.0.0/schema.json
+++ b/fabric/item/graphModel/definition/stylingConfiguration/1.0.0/schema.json
@@ -1,5 +1,5 @@
 {
-    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphInstance/definition/stylingConfiguration/1.0.0/schema.json",
+    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/graphModel/definition/stylingConfiguration/1.0.0/schema.json",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "StylingConfiguration",
     "type": "object",
diff --git a/fabric/item/mlExperiment/definition/1.0.0/schema.json b/fabric/item/mlExperiment/definition/1.0.0/schema.json
new file mode 100644
index 00000000..cc6e92d2
--- /dev/null
+++ b/fabric/item/mlExperiment/definition/1.0.0/schema.json
@@ -0,0 +1,29 @@
+{
+  "$id": "https://developer.microsoft.com/json-schemas/fabric/item/mlExperiment/definition/1.0.0/schema.json",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Dependencies",
+  "type": "object",
+  "properties": {
+    "dependencies": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "ArtifactType": {
+            "type": "string",
+            "description": "Type of the artifact, e.g., 'SynapseNotebook'."
+          },
+          "ArtifactObjectId": {
+            "type": "string",
+            "format": "uuid",
+            "description": "Unique identifier of the artifact."
+          }
+        },
+        "required": ["ArtifactType", "ArtifactObjectId"],
+        "additionalProperties": false
+      }
+    }
+  },
+  "required": ["dependencies"],
+  "additionalProperties": false
+}
diff --git a/fabric/item/mlModel/definition/1.0.0/schema.json b/fabric/item/mlModel/definition/1.0.0/schema.json
new file mode 100644
index 00000000..9f9664b7
--- /dev/null
+++ b/fabric/item/mlModel/definition/1.0.0/schema.json
@@ -0,0 +1,29 @@
+{
+  "$id": "https://developer.microsoft.com/json-schemas/fabric/item/mlModel/definition/1.0.0/schema.json",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Dependencies",
+  "type": "object",
+  "properties": {
+    "dependencies": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "ArtifactType": {
+            "type": "string",
+            "description": "Type of the artifact, e.g., 'SynapseNotebook'."
+          },
+          "ArtifactObjectId": {
+            "type": "string",
+            "format": "uuid",
+            "description": "Unique identifier of the artifact."
+          }
+        },
+        "required": ["ArtifactType", "ArtifactObjectId"],
+        "additionalProperties": false
+      }
+    }
+  },
+  "required": ["dependencies"],
+  "additionalProperties": false
+}
diff --git a/fabric/item/operationsAgents/definition/1.0.0/schema.json b/fabric/item/operationsAgents/definition/1.0.0/schema.json
new file mode 100644
index 00000000..0530241b
--- /dev/null
+++ b/fabric/item/operationsAgents/definition/1.0.0/schema.json
@@ -0,0 +1,155 @@
+{
+  "$id": "https://developer.microsoft.com/json-schemas/fabric/item/operationsAgents/definition/1.0.0/schema.json",
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Operations Agent",
+  "description": "Artifact definition of Operations Agent.",
+  "type": "object",
+  "properties": {
+    "configuration": {
+      "type": "object",
+      "title": "Operations Agent Configuration",
+      "description": "User specified configuration containing goals, instructions, data sources, and actions of the agent.",
+      "properties": {
+        "goals": {
+          "type": "string",
+          "description": "Business goals for the agent to accomplish."
+        },
+        "instructions": {
+          "type": "string",
+          "description": "Explicit instructions or procedures for the agent to follow."
+        },
+        "dataSources": {
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/dataSource"
+          }
+        },
+        "actions": {
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/action"
+          }
+        },
+        "recipient": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "goals",
+        "instructions",
+        "dataSources",
+        "actions"
+      ]
+    },
+    "playbook": {
+      "type": "object"
+    },
+    "shouldRun": {
+      "type": "boolean",
+      "description": "Whether the agent should be running."
+    }
+  },
+  "required": [
+    "configuration",
+    "playbook",
+    "shouldRun"
+  ],
+  "additionalProperties": false,
+  "definitions": {
+    "dataSource": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string",
+          "format": "uuid"
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "KustoDatabase"
+          ]
+        },
+        "workspaceId": {
+          "type": "string",
+          "format": "uuid"
+        }
+      },
+      "required": [
+        "id",
+        "type",
+        "workspaceId"
+      ]
+    },
+    "action": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string",
+          "format": "uuid"
+        },
+        "kind": {
+          "type": "string",
+          "enum": [
+            "PowerAutomateAction"
+          ]
+        },
+        "workspaceId": {
+          "type": "string",
+          "format": "uuid"
+        },
+        "parameters": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/parameter"
+          }
+        },
+        "connection": {
+          "$ref": "#/definitions/connection"
+        }
+      },
+      "required": [
+        "id",
+        "kind",
+        "connection"
+      ]
+    },
+    "parameter": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "description": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "additionalProperties": false
+    },
+    "connection": {
+      "type": "object",
+      "properties": {
+        "flowActionUid": {
+          "type": "string",
+          "format": "uuid"
+        },
+        "activatorWorkspaceId": {
+          "type": "string",
+          "format": "uuid"
+        },
+        "activatorArtifactId": {
+          "type": "string",
+          "format": "uuid"
+        }
+      },
+      "required": [
+        "flowActionUid",
+        "activatorWorkspaceId",
+        "activatorArtifactId"
+      ],
+      "additionalProperties": false
+    }
+  }
+}
diff --git a/teams/vDevPreview/MicrosoftTeams.Localization.schema.json b/teams/vDevPreview/MicrosoftTeams.Localization.schema.json
index 5f29f9cb..a8541837 100644
--- a/teams/vDevPreview/MicrosoftTeams.Localization.schema.json
+++ b/teams/vDevPreview/MicrosoftTeams.Localization.schema.json
@@ -181,6 +181,10 @@
         "type": "string",
         "maxLength": 2048
       },
+      "^extensions\\[[0-9]\\]\\.runtimes\\[[1]?[0-9]\\]\\.customFunctions\\.metadataUrl$": {
+        "type": "string",
+        "maxLength": 2048
+      },
       "^extensions\\[[0-9]\\]\\.runtimes\\[[1]?[0-9]\\]\\.customFunctions\\.functions\\[[0-9]\\]\\.name$": {
         "type": "string",
         "maxLength": 64
diff --git a/teams/vDevPreview/MicrosoftTeams.schema.json b/teams/vDevPreview/MicrosoftTeams.schema.json
index df95ca41..359d47c2 100644
--- a/teams/vDevPreview/MicrosoftTeams.schema.json
+++ b/teams/vDevPreview/MicrosoftTeams.schema.json
@@ -1778,7 +1778,7 @@
             "type": "array",
             "description": "Specifies the set of actions supported by this runtime. An action is either running a JavaScript function or opening a view such as a task pane.",
             "minItems": 1,
-            "maxItems": 20,
+            "maxItems": 150,
             "items": {
                 "$ref": "#/definitions/extensionRuntimesActionsItem"
             },
@@ -1890,12 +1890,13 @@
                 "type": "boolean",
                 "description": "Allows a custom function to accept Excel data types as parameters and return values.",
                 "default": false
+              },
+              "metadataUrl": {
+                "$ref": "#/definitions/httpsUrl",
+                "description": "The full URL of a metadata json file with default locale."
               }
             },
-            "required": [
-              "functions",
-              "namespace"
-            ]
+            "additionalProperties": false
         },
         "extensionCustomFunctionsNamespace": {
             "type": "object",
@@ -2045,7 +2046,7 @@
                 "description": "Must be either scalar (a non-array value) or matrix (a 2-dimensional array)."
               },
               "optional": {
-                "type": "boolean",
+                "type": ["boolean", "null"],
                 "default": false,
                 "description": "If true, the parameter is optional."
               },
@@ -2106,10 +2107,29 @@
                 },
                 "minItems": 1,
                 "maxItems": 20000
+              },
+              "keyMappingFiles": {
+                "description": "Specifies the full URLs for shortcuts mapping and localization resource files that don't directly support the unified manifest.",
+                "$ref": "#/definitions/keyboardShortcutsMappingFiles"
               }
             },
             "required": [ "shortcuts" ]
         },
+        "keyboardShortcutsMappingFiles": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "shortcutsUrl": {
+                    "$ref": "#/definitions/httpsUrl",
+                    "description": "The full URL of the JSON file that will contain the keyboard combination configuration on Office application and platform combinations that don't directly support the unified manifest."
+                },
+                "localizationResourceUrl": {
+                    "$ref": "#/definitions/httpsUrl",
+                    "description": "The full URL of a file that provides supplemental resource, such as localized strings, for the file specified in the shortcutsUrl attribute."
+                }
+            },
+            "required": [ "shortcutsUrl" ]
+        },
         "extensionShortcut": {
             "type": "object",
             "properties": {
@@ -2400,7 +2420,7 @@
                     "type": "array",
                     "description": "Configures the items for a menu control.",
                     "minItems": 1,
-                    "maxItems": 20,
+                    "maxItems": 30,
                     "items": {
                         "$ref": "#/definitions/extensionCommonCustomControlMenuItem"
                     }
@@ -2879,8 +2899,8 @@
               "fileName": {
                 "type": "string",
                 "pattern": "^(?!.*[\\r\\n\\f\\b\\v\\u0007\\t])[\\S]*\\.xll$",
-                "minLength": 1,
-                "maxLength": 64
+                "minLength": 4,
+                "maxLength": 254
               }
             }
         },