I would love to have layout parts that can be transparent ... now that we have Card Style windows.
I would like to be able to put up a card and have the layout part background be translucent ... In connection with allowing the underlying layout to be blurred ... then transparent would be a cool option to have.
I would love to also see the ability to round the corners of the card.
Maybe giving us controls over how the underlying layout is rendered. Blurr, or translucent with allowing us some options as to how much blurr or color etc.