When rendering a checkbox the checked HTML attribute is not being properly set to reflect the checked prop of the <input> component. The problem seems to be that the setValueForProperty method (link) ...

ARIA in HTML (w3c/html-aria#372) is tightening the allowance of aria-checked on native checkboxes and radios, particularly due to w3c/aria#1622 and the fact that aria-checked=mixed should never be ...