Good morning, for some time now messages during bike rides have been read in English. The Garmin Connect app, however, is in Italian and all the information in the app is in Italian but is read with an English pronunciation
It's a known issue, be happy that at least you recognize (and probably understand) the language. For me it's an unrecognized language. It happens to me only when I have a Bluetooth headphone connected to the watch and it doesn't happen when I run with the phone and listen via the phone