MJML renderer does not support <figure />

Automattic / newspack-newsletters

Author email newsletters in WordPress

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MJML renderer does not support <figure /> #502

Closed miguelpeixe closed 3 years ago

miguelpeixe commented 3 years ago

While publishing a newsletter using post inserter block to insert posts with thumbnails, the API call for post-mjml returns the following warning:

Warning: DOMDocument::loadHTML(): Tag figure invalid in Entity, line: 2 in newspack-newsletters/includes/class-newspack-newsletters-renderer.php on line 282

The resulting HTML skips the Post Inserter block:

The same newsletter in editor:

miguelpeixe commented 3 years ago

It appears to be a PHP < 7.4 issue. Upgrading from 7.3 to 7.4 fixed the issue.