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WordPress 5.5.1 Fixes Millions of Broken Sites

WordPress is publishing a maintenance release that fixes issues that broke millions of websites.

In July, we reported that WordPress released WordPress 5.5 Beta 1 available for testing, but it seems all did not got to plan as the new update negatively affected millions of websites.

WordPress 5.5 negatively impacted millions of websites, it is for that reason that a patch was urgently released last week, September 1, 2020.

New information published, describes why WordPress 5.5 had such a negative impact. The website is now publishing a maintenance release, version 5.5.1.

The announcement about what went wrong linked to a spreadsheet naming hundreds of plugins and themes that were affected. There initially was casual speculation that the impact was relatively small and limited to thousands of websites. But that wasn’t the case.

The spreadsheet also notes what the specific issue is for each plugin and theme, which will help software developers fix their plugins and themes.

A blog post released on their website last week explained the issue surrounding the new update, “In WordPress 5.5 the global JavaScript objects listed below were removed without being deprecated. WordPress 5.5.1 adds a backfill for these globals so they no longer cause JavaScript errors.

“The plan is to remove this fallback code in two major versions, so this will be deleted in WordPress 5.7. This gives plugin and theme developers ample time to remove the conflicting code and switch to using wp.i18n”

A maintenance release has been published, version 5.5.1. It is designed to serve as a patch to give time for plugin and theme developers to update their software.

The announcement about what went wrong linked to a spreadsheet naming hundreds of plugins and themes that were affected.

The spreadsheet also notes what the specific issue is for each plugin and theme, which will help software developers fix their plugins and themes.

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