Yes, the animation is only applied under .discourse-no-touch, so if your laptop has a touch capability it won’t work.
Why it suddenly disappeared for you, I can’t be sure. Basically if any pointer gets evaluated as not coarse[1], it gets the above class.
Meaning, if any pointer is considered coarse, it does not get that class and the animation will appear.
So it could be you’ve connected…
-
Graphics tablets / drawing pads (pens)
-
Game controllers
-
Some presenter remotes, touchpads-on-keyboards,…
-
External touchscreen monitor plugged into a desktop
a low-precision pointer. The user can’t easily target small things. The classic example is a finger on a touchscreen — your fingertip covers a big area, so it’s “coarse.” Also things like a Wii remote or Kinect. ↩︎