[detaro]

To quote from the initial comment:

> (regardless of whether you have automatic session restore enabled for restart).

It also already has an optional check if you want to close a window ("you're closing a window with 10 tabs. sure?"), and a list of recently closed windows to restore.

[soft_dev_person]

I interpreted the change as if it would always show the quit warning regardless of any settings, since the warning popup is not exactly a new feature. Some more context helped clarify.