Return of older bug. Cannot update Dataset about gradio HOT 1 OPEN

import gradio as gr

examples = []

def update(input):
    examples.append([input])
    return examples

def fill_input(index):
    return examples[index][0]

with gr.Blocks() as demo:
    with gr.Row():
        inp = gr.Textbox(placeholder="What is your name?")

        saved_examples = gr.Dataset(components = ["text"], samples = examples,label= "Saved Prompts", type = "index")
        btn = gr.Button("Save Prompt")

    saved_examples.click(fill_input, inputs=[saved_examples], outputs=[inp])
    btn.click(fn=update, inputs=[inp], outputs=[saved_examples])
    # btn.click(fn=update, inputs=inp, outputs=[ex])

demo.launch()