Dropdown Selector very slow to load (12 secs to render)

[jkunstle]

Since posting this I’ve had a few further issues, but I also posted a Minimum-Working-Example of what I implemented here, in case someone in the future finds the design that worked for me helpful:

dcc.Dropdown pause before filtering 'options' with callback

from dash import Dash, dcc, html, Input, Output, State, callback, no_update app = Dash(__name__) city_selections = [ "New York City", "Montreal", "San Francisco", "Denver", "Jackson Hole", "Seattle", ] app.layout = html.Div( [ dcc.Dropdown( id="dropdown", options=["Montreal", "San Francisco"], value=["Montreal", "San Francisco"], multi=True, ) ] ) @callback( Output("dropdown", "options"), …