UX of the next button
The next button has been introduced before categories.
It was obvious: point to the next exercise.
Now with categories it's no longer obvious:
- People may think it points to the next exercise within the category.
- It actually points to the next exercise "ordered by difficulty".
Someone (Rosa, thank you) proposed a tooltip on the button "next by difficulty".
I don't know what to do but there's obviously something to do