Why WordPress 5.5 is Breaking Sites and how to fix it
Thousands of WordPress sites have become broken since updating to WordPress 5.5. One of the reasons is because WP 5.5 deprecated support for jQuery Migrate, which may have caused at least 10,000 broken sites. An issue with how themes handle pagination is causing other sites to break after updating to 5.5. Fortunately, there are solutions. jQuery Migrate and WordPress 5.5 Thousands of WordPress publishers are experiencing problems because WordPress 5.5 shipped without a JavaScript library called jQuery Migrate. jQuery Migrate is a library that acts as a bridge for older code to function on WordPress. However, when publishers stick to an older theme, particularly one that is no longer being updated, compatibility issues eventually creep in and that’s what happened with WordPress 5.5. What Kind of Errors Are Sites Experiencing? JavaScript can be thought of like little machines that make things happen. The scripts work behind the scenes to make forms, search bars, and drop-down menus work. What is Causing JavaScript Errors in WordPress 5.5? The cause of some of the issues is older plugins. For others, the cause of the problem is older WordPress themes. The publisher in the screenshot above reported a critical bug to WordPress that prevented them from publishing articles and featured images: The publisher reported: “Your last update is a pure disaster. I used the classic editor plugin because your block editor is a full mess, and now it does not work anymore since your update. Read the full article
