Release 3.15.9

[wordpressfan]

Changelog

• Bugfix: Fix some compatibility problems with Contact Form 7 enhancement (Some issues with our compatibility file for Contact Form 7 #6384)
• Bugfix: Fix a problem with Lazy Load Background CSS Images feature when CSS is coming directly from PHP file in the source (LazyLoad for CSS background images triggers DOMException errors when the CSS is coming from a PHP file #6389)
• Enhancement: Show only last 4 characters of the Cloudflare credentials in the UI (Show only the last 4 characters of Global API Key & Zone ID in Cloudflare add-on #3376)
• Enhancement: Improve the batch limit filter for the Preload feature (Bring back batch limit on Preload at job level #6394)
• Enhancement: Make sure to remove WP Rocket’s transients when deleting the plugin (Some transients aren't deleted after deleting WP Rocket #4943)
• Enhancement: Show percentage instead of price on renewal banners (Renewal banner with discount percentage instead of difference #6349)
• 3rd-party compatibility: Move “All Languages” button to the top of the cache clearing list when multilingual plugins are used (Make the "All languages" button the first option inside the "Clear cache" menu  #6174)