Appreciate the screenshot. How many subscriptions do you have? If it's a really large number that may cause issues with the *display* of the sub button. We're currently working to improve this! Rest assured that notifications and subs feed updates are not impacted by this issue.
I've had to get in the habit of going through my subscriptions just to unsub the ones I KNOW I DIDN'T sub to, many not even in languages I speak. So much weirdness going on....