I’m pulling my hair on this one!
I have an app using only groups instead of pages, like a native app. Page index is set to fixed-width (320 x 640). You choose group to show in a menu, the group being displayed right under the header:
The strange thing is that one of the groups will only show part of it’s content and not at the position set in the Bubble editor, but instead at X = 0, Y = 0):
But, after clicking “Show responsive boxes” in the debugger, the group is shown with all data and at the right X and Y: