Is it possible to embed it in the Mac app?

[alanzchen]

https://github.com/jayhxmo/notion-icons

Here is an example that could inject some javascript in the Mac app.

[evertheylen]

I think it is definitly possible! However, as I solely use Notion through a browser (and Notion does not provide an 'app' for Linux), it's kinda hard to develop and test this. You're free to fork or send a PR, however.