Not really, I could track the change
The source is that issue https://github.com/ionic-team/ionic/issues/15170 followed by that PR https://github.com/ionic-team/ionic/pull/15220
But when I do this I think I come to the conclusion it should still be roboto no?
In core.css
html.ios {
--ion-default-font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Roboto", sans-serif;
}
html.md {
--ion-default-font: "Roboto", "Helvetica Neue", sans-serif;
}