The 5.5 version broked millions of sites while 5.5.1 although prevented websites from crashing, does not actually fix the cause of this blackout
WordPress released version 5.5.1 of the very popular blog management platform which should address the many problems that caused 5.5 to millions of websites. When debuted, the version 5.5 broked down millions of sites while 5.5.1, although it prevented websites from crashing, does not really fix the cause of this blackout.
The company has published a guide that developers should follow to customize their themes and plugins with the new version of WordPress. The critical importance of this update forced the company to update WordPress on September 1st.
Some of the plugins affected:
- SiteOrigin Widgets
- Advanced Custom Fields
- Ninja Forms Contact Form
- NextGEN Gallery
- Polylang
- Child Theme Configurator
- Simple Custom CSS and JS
- Toolset Types – Custom Post Types, Custom Fields and Taxonomies
- Max Mega Menu
- WP AutoTerms: Privacy Policy Generator, Cookie Notice Banner, Terms & Conditions Generator
- YITH WooCommerce Wishlist
- Ocean Extra
- WordPress SEO Plugin – Rank Math
- Meta Box – WordPress Custom Fields Framework
- Hummingbird – Speed Optimize, Cache, Minify & Defer Critical CSS & JavaScript
- Content Views – Post Grid & List for WordPress
Some of the themes affected:
- Astra
- Storefront
- Hestia
- Neve
- ColorMag
- Customizr
- Hueman
- Zakra
What caused pages to fail with WordPress 5.5?
WordPress 5.5 removed support for Jquery Migrate, a JavaScript library that serves as a bridge between an old code to function in WordPress. When publishers stick to an old theme, one that is not updated, customization issues will start and this is what happened in WordPress 5.5.
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