Drupal Release: 4.6.11

TL;DR

WordPress 4.6.11 is a maintenance and security update that addresses critical issues including session handler execution problems, improved security for CVS files, and enhanced theme tokens. This release focuses on stability and security rather than introducing new features.

Highlight of the Release

• Fixed critical session handler execution issue that could cause site instability
• Enhanced security by improving .htaccess rules to hide CVS files
• Added improved tokens for Xtemplate, Bluemarine, and Pushbutton themes

Migration Guide

No specific migration steps are required for this update. This is a maintenance release that can be applied through the standard WordPress update process without any special considerations.

Upgrade Recommendations

This update is highly recommended for all WordPress 4.6.x installations due to the security enhancements and critical bug fixes included. Since this is a maintenance release addressing security concerns, users should update as soon as possible to ensure their sites remain secure and stable.

Bug Fixes

Session Handler Execution Fix

Fixed a critical issue where the session handler was being executed after the object was destructed (issue #93945). This could lead to unexpected behavior, PHP errors, and potential site instability.

Various Improvements

The release includes several minor improvements and fixes to enhance overall stability and performance of the WordPress core.

New Features

This maintenance release focuses primarily on bug fixes and security enhancements rather than introducing new features. The only notable enhancement is the improved tokens for Xtemplate, Bluemarine, and Pushbutton themes, which provides better functionality and customization options for these themes.

Security Updates

Enhanced .htaccess Protection

Improved security by updating .htaccess rules to better hide CVS/* files (issue #105851). This prevents potential exposure of version control system files that could reveal sensitive information about the site's structure and implementation.

Performance Improvements

No specific performance improvements were highlighted in this release. The focus was primarily on bug fixes and security enhancements.

Impact Summary

WordPress 4.6.11 is a targeted maintenance release that addresses specific security vulnerabilities and fixes critical bugs. The session handler execution fix resolves potential instability issues that could affect site reliability. The security enhancement for CVS files helps protect sensitive information from being exposed. Theme token improvements for Xtemplate, Bluemarine, and Pushbutton provide better functionality for users of these themes. Overall, this release strengthens the security posture and stability of WordPress 4.6.x installations without introducing breaking changes.