"Gmail and Google Drive access by third-party apps that haven’t been been explicitly marked as trusted by your company’s IT admins are blocked. This includes email clients that aren’t Google’s web or first-party clients". So it's going to get harder for developers to access G Suite data. CIOs at big companies will probably be happy, though.
Some Google websites will make signing in easier on Android by replacing the password with your fingerprint or other phone screen lock methods such as pins and face unlock. Google is leveraging FIDO2 and the WebAuthn standards, and the actual fingerprint stays on-device and is never sent to its servers.