Firefox spokesperson Christopher Hilton tells The Verge that the browser has seen a more than 50 percent jump in users in Germany and a nearly 30 percent increase in France.
Brave saw a similar increase in users after Apple started letting users choose their default browsers on iOS 17.4 in the EU last week.
It’s a recent eu (or eea) thing: https://www.android.com/choicescreen/dma/
Edit: that article seems to suggest that it’s only just now a thing, but it has been here a few years already, from 2019: https://blog.google/around-the-globe/google-europe/presenting-search-app-and-browser-options-android-users-europe/: