diff --git a/src/backend/langflow/template/frontend_node/base.py b/src/backend/langflow/template/frontend_node/base.py
index 442e2ffd7..36d651e78 100644
--- a/src/backend/langflow/template/frontend_node/base.py
+++ b/src/backend/langflow/template/frontend_node/base.py
@@ -164,7 +164,7 @@ class FrontendNode(BaseModel):
     ) -> None:
         """Handles specific field values for certain fields."""
         if key == "headers":
-            field.value = """{'Authorization': 'Bearer <token>'}"""
+            field.value = """{"Authorization": "Bearer <token>"}"""
         FrontendNode._handle_model_specific_field_values(field, key, name)
         FrontendNode._handle_api_key_specific_field_values(field, key, name)
 
@@ -249,4 +249,4 @@ class FrontendNode(BaseModel):
         if "default" in value:
             field.value = value["default"]
         if key == "headers":
-            field.value = """{'Authorization': 'Bearer <token>'}"""
+            field.value = """{"Authorization": "Bearer <token>"}"""
diff --git a/src/backend/langflow/template/frontend_node/formatter/field_formatters.py b/src/backend/langflow/template/frontend_node/formatter/field_formatters.py
index 247f3b421..a67387df7 100644
--- a/src/backend/langflow/template/frontend_node/formatter/field_formatters.py
+++ b/src/backend/langflow/template/frontend_node/formatter/field_formatters.py
@@ -145,7 +145,7 @@ class HeadersDefaultValueFormatter(FieldFormatter):
     def format(self, field: TemplateField, name: Optional[str] = None) -> None:
         key = field.name
         if key == "headers":
-            field.value = """{'Authorization': 'Bearer <token>'}"""
+            field.value = """{"Authorization": "Bearer <token>"}"""
 
 
 class DictCodeFileFormatter(FieldFormatter):
diff --git a/src/backend/langflow/utils/util.py b/src/backend/langflow/utils/util.py
index bad123480..b563c5973 100644
--- a/src/backend/langflow/utils/util.py
+++ b/src/backend/langflow/utils/util.py
@@ -431,7 +431,7 @@ def set_headers_value(value: Dict[str, Any]) -> None:
     """
     Sets the value for the 'headers' key.
     """
-    value["value"] = """{'Authorization': 'Bearer <token>'}"""
+    value["value"] = """{"Authorization": "Bearer <token>"}"""
 
 
 def add_options_to_field(
diff --git a/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx b/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
index 3f9885194..c9b1dd1fa 100644
--- a/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
+++ b/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
@@ -204,7 +204,9 @@ export default function ParameterComponent({
       type === "code" ||
       type === "prompt" ||
       type === "file" ||
-      type === "int") &&
+      type === "int" ||
+      type === "dict" ||
+      type === "NestedDict") &&
     !optionalHandle ? (
       <></>
     ) : (
@@ -229,6 +231,9 @@ export default function ParameterComponent({
             borderColor: color,
             top: position,
           }}
+          onClick={() => {
+            setFilterEdge(groupedEdge.current);
+          }}
         ></Handle>
       </ShadTooltip>
     )
diff --git a/src/frontend/src/contexts/tabsContext.tsx b/src/frontend/src/contexts/tabsContext.tsx
index 1fc036ef1..3d24823bb 100644
--- a/src/frontend/src/contexts/tabsContext.tsx
+++ b/src/frontend/src/contexts/tabsContext.tsx
@@ -280,6 +280,12 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     let id;
     if (file) {
       let text = await file.text();
+      let fileData = JSON.parse(text);
+      if (fileData.flows) {
+        fileData.flows.forEach((flow: FlowType) => {
+          id = addFlow(flow, newProject);
+        });
+      }
       // parse the text into a JSON object
       let flow: FlowType = JSON.parse(text);