I noticed a small visual big in Oscilloscope Terra (and perhaps other similar visuals). When loud sounds are being played so that the scope line reaches the bottom of the display, the pieces of it that touch the bottom will 'stick'. They'll fade out (and leave a trail while they do) but they are not erased as they should be. It looks like the code that scrolls the display up forgets to clear the bottom three lines.

/Pepijn