So, Optimistic UI shows the final state before the app finishes (or starts, even) the real work.
…ning about a ‘lack of personality’ in these new black and white UIs but they’ll soon get over that. You open an app for it’s functionality, not it’s personality) so I expect apps both new and old to start jumping on the CR bandwagon.
The problem here, is that if you work with non-designers, the beautiful screens will work for them. You will be able to deliver something “Wow” to your client, while we’d prefer to create something “Of course”.