The HTML 5 specification permits the <tfoot> to precede the <tbody> element. That changed in HTML 5.1 and now <tfoot> must follow <tbody>. Historically, the Calendar Core Widget used the <tfoot> element to display the calendar’s navigation links. But since the HTML 5.1 spec has changed, WordPress 5.4 moves the navigation links to a <nav> HTML element that comes right after … Continue reading Changes related to Calendar Widget markup in WordPress 5.4