Agreed on all accounts.
The shift was invisible, but the handling is so odd that I'm not sure it would ever be unnoticeable. Or perhaps, un-suspectable would be a better way to put it. I don't know the exact quote, but "the sleight should never be suspected, let alone detected." This is why the classic pass was intended to be executed with the hands moving as little as possible. All the covers were added later to make up for imperfect technique.
With the snap change. The change itself was very smooth, but then you appear to reach up with the deck and take something from your hand that's behind the card you're currently showing. What else could that be, other than another card? Try to make that clean up motion smoother. Meaning, don't make it two separate things, where you grab the indifferent card, then grab the selection. Make it so it looks like you're just grabbing the selection, and in that motion grab the indifferent card as well.
Not sure this is entirely coherent, as I'm about half asleep while I type this, but I hope I got my point across.