I noticed the mute button in the menu doesn't reflect the actual status. When hitting that button multiple times, the volume toggles correctly on>mute>on>mute, but the image of the button will only change the first time. Then the image will not change anymore after hitting the button.
Send notification of ETA: this is now possible through sms and e-mail. The e-mail button will open a menu that displays a choice of a.o mail, gmail, Skype. I would like to use whatsapp. Many applications have a 'share' button, that opens a menu with much more choice. For instance the YouTube app. You can post your link to sms, mail, gmail, whatsapp, Facebook, Twitter and many other. Can you not use the same handle? That would replace the share through sms and share via e-mail options with one general share button.
I had a strange distortion of this road: