WordPress 5.5.3 is now available.
This maintenance release fixes an issue introduced in WordPress 5.5.2 which makes it impossible to install WordPress on a brand new website that does not have a database connection configured. This release does not affect sites where a database connection is already configured, for example, via one-click installers or an existing wp-config.php file.
5.5.3-alpha Issue
Earlier today — between approximately 15:30 and 16:00 UTC — the auto-update system for WordPress updated some sites from version 5.5.2 to version 5.5.3-alpha. This auto-update was due to an error in the Updates API caused by the 5.5.3 release preparations (see more here). The 5.5.3-alpha version at this point was functionally identical to 5.5.2 as no development work had been started on 5.5.3; however, the following changes may have been made to your site:
- The default “Twenty” themes installed as part of the pre-release package.
- The “Akismet” plugin installed as part of the pre-release package.
These themes and plugins were not activated and therefore remain non-functional unless you installed them previously. It is safe to delete these features should you prefer not to use them.
If you are not on 5.5.2, or have auto-updates for minor releases disabled, please manually update to the 5.5.3 version by downloading WordPress 5.5.3 or visiting Dashboard → Updates and click “Update Now.”
For more technical details of the issue, we’ve posted on our Core Development blog.
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