The dropdown button consists of links to sites which open in a new browser window, but this is considered an accessibility violation unless the user is warned. Currently users are not warned. While we can easily add visual warnings via CSS, assistive technology does not process these warnings.
Add aria label information to warn users of assistive technology.
templates/addtocal-links.html.twig line 24 (old)
<a href="{{ item.url }}" target="_blank" rel="noopener" aria-label="{{ item['aria-label'] }}">{{ item.title }}</a>
templates/addtocal-links.html.twig line 24 (suggested)
<a href="{{ item.url }}" target="_blank" rel="noopener" aria-label="{{ item['aria-label'] }} - Opens in new tab.">{{ item.title }}</a>
Active
3.0
Code
It affects the ability of people with disabilities or special needs (such as blindness or color-blindness) to use Drupal.
I have reviewed the changes which are made as requested and they looks good to me thus moving it to RTBC!!