I have this issue on both my Android phone and my iPad. Whenever I make any type of change (add task, create view, change status of thing, put in tray, etc.) the new state of my system doesn't automatically show in the mobile app. For example, I placed a few tasks in the tray using the desktop app. Then, when I checked both my phone app and my iPad, the Tray was empty. I had to completely terminate the app on both platforms and reopen it to see the changes.