Enable Accelerated Mobile Pages (AMP) on your WordPress site.
html tag (h/t Maxime2 and everyone else that reported this error)!important from inline styles (h/t compointdesigner and enriccardonagmailcom)<br> tags.<a> tags) (props Maxime2).amp_pre_get_permalink if you want a completely custom AMP permalink.amp_post_template_dir (props mustafauysal).100%).autoplay is a bool-like value.query_string hook (h/t mkuplens).validate_file issue.)target and video/audio attributes.a tags (props kraftbj).on tags for elements (props Steven Evatt).amp_init).style.css no longer contains the ` tag. If you have a custom stylesheet, you need to update it to remove the tag.single.php no longer includes the AMP boilerplate styles. They are instead added via the amp_post_template_head hook. If you have a custom template, please remove the boilerplate styles.