Multi-page app not working after upgrading to Dash 1.12.0

[petya]

I did not manage to make that work, so I went for that:

Example: Creating Multi-Page and Custom-Page apps at layout time

I have spent some time playing around with different multi-page approaches. I thought I would share this one as it seems useful to other people. Firstly this is just an extension of https://dash.plot.ly/urls and doesn’t provide any completely new functionality. But sometimes you want to directly load the layout without waiting for some multi-page callback to kick in, here are examples of doing that: For those times try this approach based on the Referer URL: # Standard Libary from urllib.pars…