It looks like it’s not open source.
You might want to post this in a Linux community then instead of the open source community
Had to look it up too, looks like a way to choose your own push service:
You can do it yourself:
Microsoft Edge has … an updated name in its store listings. What was once simply known as “Microsoft Edge” is now listed as “Microsoft Edge: AI browser.”
Saved you a click
It’s this app they’re talking about:
It was a hotfix 🥁
Link to the repo:
https://github.com/polymorphicshade/Tubular