Funny enough we added this in awhile back when it seemed more conclusive that this does matter.
But I was curious and just did an adhoc eval.
Here's a version with the aesthetic line included
https://with-aes.vercel.app/
Here's a version without the line
https://wo-aes.vercel.app/
Everything else is the same. Will let y'all be the judge which is better.
Both where made in one-shot with this prompt:
Create a habit tracking app where users can create habits, mark daily completions, and visualize streaks. Include features for setting habit frequency (daily/weekly), viewing completion calendars, and tracking overall progress percentages.