The change was spotted by reddit user kermitch and should apply to all Spotify Premium users on who've updated to the latest version of the app (8.4.8).
Looks like the latest update enabled scrubbing a track from the lockscreen and control center! This is on iOS 10, despite my iOS 11 wallpaper
You can download Spotify Music from the App Store for free.
Download [via reddit] [via MacRumors]