7.3

Enhancements:

• Removes the intl polyfill and shows a message on browsers that don't support this feature.
• Adds Baidu Webmaster Tools verification support.
• Adds import functionality for Premium SEO Pack.
• Adds import functionality for Smartcrawl SEO.
• Adds import functionality for Squirrly SEO.
• Adds import functionality for Platinum SEO Pack.
• Adds import functionality for SEO Framework.
• Adds import functionality for Greg's High Performance SEO.
• Adds import functionality for WP Meta SEO.
• Improves the social data import for the wpSEO.de plugin.
• Removes the debug data from the admin pages, which were only showing when WordPress is in DEBUG mode.
• Applies Select2 to all select boxes on breadcrumbs page.
• Attempts to reset opcode cache during the upgrade routine.
• Changes the wording for the Ryte indexability check on the features tab.

Bugfixes:

• Prevents hard casting to array in the WPSEO_Link_Columns::add_post_columns method signature.
• Fixes a bug where an error is thrown when MySQL has the sql-mode set to ANSI_QUOTES.
• Fixes a bug where the pagination overlaps the cornerstone information message, on post overview pages in combination with low resolutions.
• Fixed a bug where the keyword filter doesn't work on the post overview page.
• Removes HTML entities from the HTML comment that appears for admins when there's no meta description on a post or page.
• Changes JSON+LD organization output to always point to #organization on the homepage instead of the current page.
• Fixes a bug where non-public taxonomies were shown in the breadcrumbs.

Other:

• Minor internationalization improvements.
• Security hardening.