http://protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion/blog/dma-default-apps
This type of choice leads to happier users, creates a more diverse market, and fosters innovation. We believe that the EU agency in charge of enforcing the DMA should have the right to design a way for people to choose their own default apps (for example, in the form of an easily accessible and properly designed preference menu).