Don't know if it's related directly to matomo, but since some days/ a few weeks, lots of users that are coming from Android has an unknown browser. Some have Chrome displayed, but the very majority has no browser...
Is there something maybe that has changed and could cause this ?
Matomo is still only able to display/handle Browsers. Mobile Apps and stuff like that will be displayed as unknown. See #5413
Maybe you have a lot visits that are coming from a mobile app
Actually, most of them are coming from Facebook.
I don't have the Facebook app but I would have guessed it opened in the in-app chrome browser by default, isn't it ?
Jep. Guess the in-app browser is detected as facebook app and thus not shown as browser...
Yes I'm closing. I didn't know in-app chrome was not detected as being chrome.