Fix Broken WordPress 5.5 Plugins + Themes with missing jQuery Migrate JavaScript

New shinny tools put smiles on those who are innovators. While the same sentiment might be carried for new software, one has to brace themselves for the bugs that come along with it.

While Upgrading to WordPress 5.5 comes with inbuilt XML sitemaps improving general SEO for more people, better security, it has one challenge; it breaks thousands of plugins and themes as you can read form this WordPress Trac Ticket.

The issue lies with this change in WordPress core as the team goes about updating the version of external libraries as dependencies. The particualr library in question – jQuery Migrate JavaScript which has been stripped from the core of WordPress. Many website plugins depend on this file and thus this has caused a stir.

Want a solutions to missing jQuery Migrate JavaScript?

This video shows you how to navigate the issue at hand.