Tapping the "Next" button when editing an article should take the user to the "Preview" screen. Instead, the app displays an error that says "Cannot connect to the Internet."

https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom;TicketID=9153026
https://plus.google.com/u/1/+PeterSuber/posts/j5j3YomoYGd?cfem=1

Note: this seems to be independent of RestBase, and also seems to be an issue on iOS.