Thousands of websites have become broken since WordPress 5.5 shipped without a JavaScript library called jQuery Migrate. We've updated all of our themes and now they are compatible with WordPress 5.5.
Follow our instruction to make your site work perfectly again:
- Update your site to the latest version of the theme - we have done the job to be sure our themes are compatible with 5.5
- Install Enable jQuery Migrate Helper to fix the problem
- Clear cache and reload your site.
Problem solved.