WordPress Release: 5.9.2

TL;DR

WordPress 5.9.2 is a maintenance release that addresses several issues from the previous version. Key improvements include removing the Live Preview link when installing block themes from zip archives, updating jQuery.query to version 2.2.3, improving Global Styles filtering order, and updating WordPress packages to their most recent patch versions. This release enhances theme installation workflow, improves security with library updates, and optimizes the block editor experience.

Highlight of the Release

• Removed Live Preview link when installing block themes from zip archives
• Updated jQuery.query library from version 2.1.7 to 2.2.3
• Improved Global Styles filtering order in the block editor
• Updated WordPress packages to their most recent patch versions

Migration Guide

No specific migration steps are required for this maintenance release. WordPress 5.9.2 should be a seamless update from previous 5.9.x versions.

Upgrade Recommendations

It is recommended that all WordPress 5.9.x users upgrade to version 5.9.2 as soon as possible. This maintenance release includes important bug fixes and library updates that improve the overall stability and security of your WordPress installation. The update process should be straightforward with no breaking changes reported.

Bug Fixes

• Block Theme Installation: Removed the Live Preview link when installing a block theme from a zip archive, as the customizer is disabled by default for block themes. This fixes inconsistent behavior in the theme installation workflow. (Fixes #54578)

• Block Editor: Improved Global Styles filtering order to ensure global styles filters execute before post filters, making the filtering process more logical and consistent.

New Features

No major new features were introduced in this maintenance release. The focus was on bug fixes, security improvements, and enhancing existing functionality.

Security Updates

Updated jQuery.query library from version 2.1.7 to 2.2.3. While not explicitly stated as a security fix, keeping external libraries updated is an important security practice as it often addresses potential vulnerabilities discovered in older versions.

Performance Improvements

The release includes updates to WordPress packages to their most recent patch versions, which may include performance optimizations. However, no specific performance improvements were explicitly mentioned in the commit messages.

Impact Summary

WordPress 5.9.2 is a minor maintenance release that focuses on bug fixes and improvements to the existing functionality introduced in WordPress 5.9. The changes primarily affect block theme installation workflow and the block editor experience.

The removal of the Live Preview link when installing block themes from zip archives fixes inconsistent behavior, as the customizer is disabled by default for block themes. This creates a more intuitive user experience for site administrators working with block themes.

The update to jQuery.query library (from 2.1.7 to 2.2.3) ensures WordPress stays current with external dependencies, potentially addressing security vulnerabilities in the older version.

The improvement to Global Styles filtering order in the block editor enhances the logical flow of style application, ensuring global styles filters execute before post filters, which provides a more consistent editing experience.

Overall, while this release doesn't introduce major new features, it strengthens the foundation of WordPress 5.9 by addressing specific issues and improving existing functionality.