I didn't know Spotify changed this. I opened up the app, and sure enough it popped up with "the heart is now a plus."
Yeah, I don't like it. Just a random plus sign on the "now playing" screen isn't obvious what it does. Yes, the app told me, but that only appears once.
I wonder if we can complain and get them to change it back.
Niagara Launcher is great. I used to use Nova, but found myself only using one home screen page and only like one widget. Niagara does take some getting used to, but I also suggest giving it a try.
It's pronounced "gif"