ProtonMail exposing Threads user data harvesting posting the same screenshot from Apple’s App Store that multiple other accounts on Fedi have posted, often in comparison with several Mastodon clients’ app listings. the title reads as if they’ve done some thorough investigating.

it’s OSM’s weather app

no, it’s a third party app that uses OpenWeatherMap weather data. OpenStreetMap and OpenWeatherMap aren’t affiliated in any way.