Currently it is not possible using the new LUA screen functions to rotate text. As a result, is it is not possible to have a screen in portrait orientation with text.
The only way to add text using the new functions is
addText(layer, font, text, x, y)
But the documentation states that this function does not support rotation
Text rotation is essential, I won't be able to convert my existing content over without it. Can this be added a priority?