diff --git a/backend/chainlit/langchain/callbacks.py b/backend/chainlit/langchain/callbacks.py
index 2bdd91b8eb..384cbf8bd1 100644
--- a/backend/chainlit/langchain/callbacks.py
+++ b/backend/chainlit/langchain/callbacks.py
@@ -91,12 +91,12 @@ def convert_role(role: str):
         return "user"
     elif role in ["system", "SystemMessage", "SystemMessagePromptTemplate"]:
         return "system"
-    elif role in ["ai", "AIMessage", "AIMessagePromptTemplate"]:
+    elif role in ["ai", "AIMessage", "AIMessageChunk", "AIMessagePromptTemplate"]:
         return "assistant"
     elif role in ["function", "FunctionMessage", "FunctionMessagePromptTemplate"]:
         return "function"
     else:
-        raise ValueError(f"Unsupported role {role}")
+        return "assistant"
 
 
 def convert_message(message: BaseMessage, template: Optional[str] = None):
diff --git a/backend/chainlit/message.py b/backend/chainlit/message.py
index 893efdbdb5..91a2a80beb 100644
--- a/backend/chainlit/message.py
+++ b/backend/chainlit/message.py
@@ -266,11 +266,12 @@ async def send(self) -> str:
         if not self.parent_id:
             context.session.root_message = self
 
-        for action in self.actions:
-            await action.send(for_id=id)
+        # Create tasks for all actions and elements
+        tasks = [action.send(for_id=id) for action in self.actions]
+        tasks.extend(element.send(for_id=id) for element in self.elements)
 
-        for element in self.elements:
-            await element.send(for_id=id)
+        # Run all tasks concurrently
+        await asyncio.gather(*tasks)
 
         return id
 
diff --git a/cypress/e2e/file_element/spec.cy.ts b/cypress/e2e/file_element/spec.cy.ts
index c661e5fd94..50f74440c7 100644
--- a/cypress/e2e/file_element/spec.cy.ts
+++ b/cypress/e2e/file_element/spec.cy.ts
@@ -9,9 +9,17 @@ describe('file', () => {
     cy.get('.message').should('have.length', 1);
     cy.get('.message').eq(0).find('.inline-file').should('have.length', 4);
 
-    cy.get('.inline-file').eq(0).should('have.attr', 'download', 'example.mp4');
-    cy.get('.inline-file').eq(1).should('have.attr', 'download', 'cat.jpeg');
-    cy.get('.inline-file').eq(2).should('have.attr', 'download', 'hello.py');
-    cy.get('.inline-file').eq(3).should('have.attr', 'download', 'example.mp3');
+    cy.get('.inline-file').should(($files) => {
+      const downloads = $files
+        .map((i, el) => Cypress.$(el).attr('download'))
+        .get();
+
+      expect(downloads).to.have.members([
+        'example.mp4',
+        'cat.jpeg',
+        'hello.py',
+        'example.mp3'
+      ]);
+    });
   });
 });