WCAG 2.1 guidelines.
What's new we may expect? Read here ->
https://www.joomla-monster.com/blog/web-development/wcag-2-1-guidelines-what-s-new
What's new we may expect? Read here ->
https://www.joomla-monster.com/blog/web-development/wcag-2-1-guidelines-what-s-new
