Skip to main content
← Back to changelogs overview

Yoast SEO 2.1



  • Makes sure Twitter cards are by default enabled since they don't need to be validated anymore by Twitter.
  • Removes the Twitter url meta tag, since Twitter no longer uses it.
  • Shows a validation error when a user selects a featured image for a post that is smaller than 200x200 pixels.
  • Shows a validation error when a user tries to use shortcodes in the titles and meta's settings page that are incompatible with the type of content those titles and meta's are associated with.
  • Makes sure no taxonomy metadata is lost with the upcoming 4.2 version of WordPress.
  • Upgraded to Facebook Graph API 3.0 for fetching Facebook user ID's straight from Facebook.
  • Made the plugin conflict notices more user friendly, explaining better which piece of functionality might be impacted, offering a link to the corresponding settings and a button to deactivate the conflicting plugin.


  • Fixes a bug where the sitemaps were no longer being served from WP transient cache.
  • Fixes a bug where breadcrumbs weren't nested properly.
  • Fixes a possible "headers already sent" error in the sitemaps.
  • Fixes a notice for the homepage URL in post type sitemaps.
  • Fixes an "undefined index" notice on the sitemaps.
  • Fixes an "undefined index" notice in the breadcrumbs.
  • Fixes a bug where translations were not loaded when used as MU-plugin.
  • Fixes a JS error that was raised when editing post-types without a TinyMCE editor.
  • Security:
  • Fixes a possible XSS vulnerability. Thanks Johannes Schmitt from Scrutinizer CI for discovering and responsibly disclosing this issue.