Placeholder is changed incorrectly when the background callback occurs

[AIMPED]

Hi @alesia,

which version of dash are you using? There was a bug in the dcc.Dropdown() which got fixed recently.

I’ll try to find the thread…

EDIT: here the thread

Updating dropdown options triggers another callback that not supposed to trigger

I have two callbacks in my app, one updates a dropdown’s options every 5 seconds, and the other callback should be fired when I select something in the dropdown but the first callback not only updates options but also triggers the other callback. @app.callback( Output({"type": "product-filter", "uuid": ALL}, "options"), Input("refresh-dropdown-options", "n_intervals") ) def refresh_product_options(interval): # get options from database return options @app.callback( Output({"type": "g…