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Since Livebook is a web app, I would assume so.

I just installed it and it actually doesn't use Electron. It's basically just a local web server that runs on your computer, and opens a browser tab in your default browser pointing to http://localhost:60904/

On macOS this is a great app for turning browser web apps like these into dedicated 'apps':

https://www.bzgapps.com/unite

I use it with YNAB

Or Fluid which is free except for a few features which cost $5 (https://fluidapp.com/)

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