Bugfixes: Fixes a bug where a fatal error would be thrown when Yoast SEO was used in combination with another plugin or theme containing a class named `Date_Helper`. Other: Sets the minimum Yoast SEO version to 12.6.1.
Enhancements: Shows a floating `Save Settings` button on the Yoast SEO Video admin page when the normal button is not visible in the browser window. Other: Compatibility with Yoast SEO 12.2
Compatibility with Yoast SEO 12.1
