Try again restarts a preview that could not start
Sometimes the preview cannot start, most often on a slow or unstable connection. It then shows Preview couldn't start with a Try again button.
Try again used to reuse the part that had failed. The preview then said "Your page can't be shown yet" and blamed your code, so Fix it sent Playcode AI to change files that had nothing wrong with them. Only a reload of the page helped.
Now Try again starts the preview fresh, and your page shows as soon as it loads.