Picture and image tags do not have explicit "src" attributes, only the srcset attributes are set.
This causes html validation error, which doesn't really matter that much.
But implementing those attributes could actually improve browser backward compatibility by providing a valid fallback src attribute and in addition to that getting rid of the validation problem.
Missing src-attribute in picture/image tag
Picture and image tags do not have explicit "src" attributes, only the srcset attributes are set. This causes html validation error, which doesn't really matter that much. But implementing those attributes could actually improve browser backward compatibility by providing a valid fallback src attribute and in addition to that getting rid of the validation problem.