WordPress Release: 4.9.20
Tag Name: 4.9.20
Release Date: 3/11/2022
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TL;DR
WordPress 4.9.20 is a minor maintenance release that updates the jQuery.query library from version 2.1.7 to 2.2.3. This update ensures better compatibility and security for WordPress sites. While this is a small update, it's important for maintaining the security and stability of WordPress 4.9 branch installations.
Highlight of the Release
- Updated jQuery.query library from version 2.1.7 to 2.2.3
- Maintenance release for the WordPress 4.9 branch
- Improved security and compatibility
Migration Guide
No migration steps are required for this update. The jQuery.query library update is handled automatically during the WordPress update process. Developers with custom code that specifically relies on jQuery.query functionality should review the library's changelog for any API changes between versions 2.1.7 and 2.2.3.
Upgrade Recommendations
It is recommended that all WordPress 4.9 branch users update to version 4.9.20 as soon as possible. While this is a minor maintenance release, keeping external libraries updated is important for security and compatibility reasons.
For users still on the 4.9 branch, this update helps maintain security while you prepare to upgrade to a more recent major version of WordPress. If possible, consider upgrading to the latest WordPress major version for access to all new features and security improvements.
Bug Fixes
This release doesn't specifically address any reported bugs. The jQuery.query library update may include bug fixes within the library itself, but no WordPress-specific bugs were targeted in this release.
New Features
No new features were added in this maintenance release. WordPress 4.9.20 focuses solely on updating the jQuery.query library to version 2.2.3.
Security Updates
While not explicitly mentioned as a security release, updating external libraries like jQuery.query is often done to address potential security vulnerabilities. The update from version 2.1.7 to 2.2.3 likely includes security patches that help protect WordPress sites from potential exploits.
Performance Improvements
No specific performance improvements were mentioned in the release notes. The jQuery.query library update may include performance optimizations within the library itself, but no WordPress-specific performance improvements were highlighted.
Impact Summary
WordPress 4.9.20 is a targeted maintenance release with minimal impact on day-to-day WordPress operations. The update to jQuery.query library from version 2.1.7 to 2.2.3 helps ensure WordPress installations remain secure and compatible with modern web standards.
This release demonstrates WordPress's commitment to maintaining even older branches with necessary security and compatibility updates. While the changes are minimal and mostly invisible to end users, they play an important role in the overall security posture of WordPress installations worldwide.
Site administrators should apply this update through their normal update channels. No special considerations or post-update actions are required for most users.
Statistics:
User Affected:
- Should update their WordPress installations to maintain security and compatibility
- No visible changes to the admin interface or functionality
Contributors:
