On Drupal 8, there is a useful feature in Views Module (now in Core) settings called "Multiple field settings" with which we can display only one image from multifield image on teaser. As seen in the image above, each of the content has multiple images but only one is displayed in the teasers.
Drupal 8 Tips: Display only one image from multifield image on teaser
On Drupal 8, there is a useful feature in Views Module (now in Core) settings called "Multiple field settings" with which we can display only one image from multifield image on teaser. As seen in the image above, each of the content has multiple images but only one is displayed in the teasers.