Pixels for WordPress: Changelog

WordPress Meta Pixel Integration: Measure, optimize, and build audiences for GDPR-compliant ad campaigns. Learn More.

4.6.1
(May 5, 2026)
- Improved UTF8 URLs.
- Various codebase optimizations and improvements.

4.6.0
(April 23, 2026)
- WordPress 6.9 compatibility - Tested up to 6.9.4.
- Compatibility with PHP 8.5 (released November 18, 2025).
- Tested up to PHP 8.5.5 on PHP-FPM on Linux servers.
- Improved Database classes.
- Implemented db query builder class.
- Refactored database queries to use query builder pattern. Uses explicit parameters instead of string parsing.
- Minimum PHP requirement updated: PDO is now required only (MySQLi support removed).
- Stricter parameter type checking in various methods.
- Improved the messages system.
- General codebase improvements.

4.5.5
(November 27, 2025)
- Update class now better prioritizes Premium updates.
- Various improvements.

4.5.4
(November 26, 2025)
- All the variables used in the main plugin file are now prefixed to avoid possible collisions.
- Handling setups with modified wp-content directory dynamically.
- Improved the database classes including the PDO and Mysqli drivers.
- Various other improvements.

4.5.3
(November 4, 2025)
- The minimum WordPress version requirement changed from 3.9 to 5.0.
- The minimum PHP version requirement changed from 7.0 to 7.4.
- Enhanced stability by utilizing PHP 7.4+ features; with support up to PHP 8.4 where available.
- Improved OOP/MVC implementation.
- Code quality optimization.
- Improved the Autoloader.
- Removed jQuery library from the /assets; now using WordPress's internal jQuery libraries when needed.
- Various other improvements.
- Tested on WordPress versions from 6.8.3 down to 5.0.
- Tested on PHP versions from 8.4 to 7.4.

4.5.2
(October 21, 2025)
- Improved search methods and performance.
- Code quality optimization.
- Various other improvements.

4.5.1
(October 13, 2025)
- Improved installer.
- Various improvements.

4.5.0
(October 9, 2025)
- Major maintenance release.
- Implemented the native WordPress update system.
- Removed the Setup plugin and all dependencies to it.
- Code quality optimization and performance improvements.
- Various other improvements.

4.4.4
(September 26, 2025)
- Minimized the use of params::get().
- Improved UI.
- Various improvements.

4.4.3
(September 21, 2025)
- Switched to PDO exceptions using PDO::ATTR_ERRMODE set to ERRMODE_EXCEPTION.
- Switched to session-based MySQLi error reporting (MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT).
- Now setting the PDO/MySQLi mode NO_AUTO_CREATE_USER only on PHP 7 or MySQL server software version older than 8.
- mysqlnd is now required when using MySQLi driver.
- Improved the database classes. Better resource management and handling.
- Additional check for NUL bytes before passing string to the header().
- Added more checks to the System section.
- Various other improvements.

4.4.2
(September 16, 2025)
- Better error handling on RecursiveDirectoryIterator, RecursiveIteratorIterator and more.
- Improved error logging.
- Better isolation of ajax requests.
- Various improvements.

4.4.1
(September 10, 2025)
- Improved substr() method to handle null length correctly in PHP 7.
- Warnings about missing server packages are now mandatory.
- Improved error handling when packages are missing from the server.
- Moved the deactivation hook to the main plugin file.
- Added more checks to the System section.
- Improved Installer.
- Improved all text in English and Greek translations.
- Various improvements.

4.4.0
(September 8, 2025)
- Added compatibility support for WordPress versions from 5.1 down to 3.9.
- The minimum WordPress version changed to 3.9.
- The recommended WordPress version changed to 6.8.2 or newer.
- Added footer to the backend UI.
- Fixed menu position in WordPress versions older than 6.0.0.
- Fixed a false negative in the System section.
- Disabled more WP core update checks on the plugin UI and during execution in WP 6.8.1 or older.
- Removed more WP core admin notices on the plugin UI and during execution in WP 6.8.1 or older.
- Short-circuit outbound HTTP requests, including to wordpress.org update endpoints on the plugin backend UI.
- Added fallback for missing get_user_locale() in WordPress 4.6 or older.
- Improved performance.
- Improved UI.
- Various improvements.
- Tested on WordPress versions from 6.8.2 down to 3.9.0.
- Tested on PHP versions from 8.4.12 down to 7.0.33 on Linux.

4.3.0
(September 6, 2025)
- Implemented sidebar to the backend UI.
- Now setting backend UI page title to a custom string.
- Various improvements.

4.2.1
(September 3, 2025)
- Improved UI.
- Various changes/improvements.

4.2.0
(September 2, 2025)
- Implemented URL routing system.
- Implemented renderer.
- Implemented topbar.
- Disabled client page caching on backend UI pages to ensure proper dynamic behavior in misconfigured setups.
- Improved UI.
- Improved performance.
- Various changes/improvements.

4.1.1
(August 27, 2025)
- Added extra check for IntlDateFormatter. Some systems are not well prepared by the host.
- Improved the System section.
- Avoid Cloudflare possible false negative in the System section.
- Various framework improvements and code quality.

4.1.0
(August 8, 2025)
- Compatibility with PHP 8.4.
- Improved the database classes. Also applied modern and strict mysqli handling.
- Improved the options database table.
- The datetime database columns now default to NULL.
- Improved the geotime class.
- Disabled WP core update checks on the plugin UI and during execution.
- Removed WP core admin notices on the plugin UI and during execution.
- Removed empty constructors.
- Improved installation supported storage engine, supported charset and collation preparation.
- The application execute() method is now an instance method.
- Added uninstall class.
- Added an option in the preferences to drop (or not) tables on uninstall.
- Added admin permission checks.
- Added System section with various checks.
- Added multilingual Time Zone options in the Preferences. Accurate time for all tasks, despite unreliable WordPress CMS setting.
- Now handling current version changes in the page controllers and base controller.
- Minimized the use of math::bin().
- Removed sub-menus from the main WP menu link.
- Improved curl class.
- Handled conflicts caused by global CSS from third-party plugins in the backend UI.
- Added min_php_version_id to the config file for accurate PHP version comparisons.
- Improved installer.
- Improved the message notification system.
- Removed legacy WP system messages.
- The recommended WP version is now 6.8 or newer.
- Improved UI.
- Improved performance.
- Optimized the OOP and MVC structure.
- Various changes/improvements.

4.0.4
(May 7, 2025)
- Improved set_wp_version(). Added a fallback.
- Improved activation and deactivation classes.
- Added a serverversion class to get the latest version info available from the server.
- Improved Greek translations.
- Various changes/improvements.

4.0.3
(April 18, 2025)
- Improved language detection for Greek.
- Improved Greek translations.

4.0.2
(April 17, 2025)
- Compatibility with WordPress 6.8.

4.0.1
(April 6, 2025)
- Improved jQuery Migrate alias for better compatibility with other WP plugins.

4.0.0
(December 5, 2024)
- Compatible with WordPress 6.7.
- Added Cloudflare support.
- Implemented Traffic Filters. It is now possible to filter traffic by IP Addresses, CIDR, Hostnames, User Agents, Referrers, Countries, Local Server, LAN, Cloudflare, TOR.
- Implemented Categories for Traffic Filters.
- Implemented TOR internal detection system using real-time TOR bulk exit list.
- Implemented caching for TOR.
- Implemented Notification System.
- Added Traffic Filters options in the Meta Pixels section.
- Added Installer classes.
- Added Close / Cancel button inside sections.
- Improved the UI.
- Improved the Documentation and added more help points in all areas.
- Improved database classes.
- Improved the user class.
- Improved utility model classes.
- Various changes/improvements.

3.1.0
(October 25, 2024)
- Integrated with Eorisis Consent for WordPress Learn More.
- Added Preferences section.
- Added option for Code Position (Start of Head, End of Head, Start of Body, End of body).
- Added NoScript Tag option. You can now select whether to place the noscript tag at the end of the body of the page.
- Added option to enable or disable the Meta Pixel.
- Added help icons with help-tips on every option.
- Added URL versioning to the CSS url in the backend.
- Separated sections.
- Improved the CSS url versioning.
- Improved the UI.
- Various changes/improvements.

3.0.0
(October 7, 2024)
- Eorisis Facebook Pixel is now Eorisis Pixels available in Pro edition for WordPress. Learn More.
- Complete rerwite of the code -- Full Eorisis framework refactoring.
- Changed the Eorisis Update System URL.
- Added Meta Pixel Automatic Configuration option.
- Added Meta Pixel Agent option.
- Added a section Updates with the Authorization Code option for direct live updates.
- Added a section Documentation.
- Improved the Eorisis framework.
- Added support for MySQLi.
- Fixed WordPress warning on initial install.
- Fully changed the update process to avoid errors related to previous version.
- Improved the zip class.
- Now logging all possible errors to error_log.
- Added web.config files to restrict access to the plugin directories on IIS.
- Added various compatibility checks.
- Added a warning in case the plugin dir has been changed -- also halting the execution of the plugin.
- Improved performance.
- Improved the UI.
- Various other changes/improvements.
- Tested on WordPress from version 5.2 up to version 6.6.2.
- Tested on PHP 7.0 up to version 8.3.12.

Note: If you are currently running Eorisis Facebook Pixel you cannot directly update to Eorisis Pixels, as it requires an initial manual installation (like a separate plugin). Remember to deactivate and uninstall/delete Eorisis Facebook Pixel, do not run both plugins.

2.5.9
(February 5, 2024)
- Improved the header class, with status code safety check, and added Cloudflare status codes.
- Improved the database class.
- Various changes/improvements.

2.5.8
(January 3, 2024)
- Compatibility with PHP 8.3. Tested on PHP 8.3.1.
- Various changes/improvements.

2.5.7
(November 30, 2023)
- Compatible with WordPress 6.4.
- Better sanitization of URLs to avoid some UTF-8 rare scenarios.
- Set SQL modes in the db class (WordPress only).
- Various changes/improvements.

2.5.6
(August 18, 2023)
- Compatible with WordPress 6.3
- Optimization/Performance improvements.

2.5.5
(July 11, 2023)
- Improved Performance.
- Various changes/improvements.

2.5.4
(April 28, 2023)
- Compatible with WordPress 6.2
- Improved the database class for WordPress.
- Refined string sanitization to handle the & character more effectively.
- Improved curl class. Better compatibility with modern PHP.
- Various changes/improvements.

2.5.3
(30 January 2023)
- Compatible with WordPress 6.1
- URI sanitization could result in broken URLs in some cases. This is now fixed.
- General maintenance.
- Various changes/improvements.

2.5.2
(27 October 2022)
- Added extra check for servers with missing PHP packages that lead to an error related to the core PHP class IntlDateFormatter.
(Reported by David).

2.5.1
(19 October 2022)
- Improved compatibility with PHP 8.1 and 8.2.
- Improved the time class.
- Improved the database class for WordPress.
- Various changes/improvements.

2.5.0
(22 September 2022)
- Compatible with the latest PHP versions 8.1.10 and 8.2.0RC2.
- Compatible with WordPress 6.
- Improved the database class for WordPress.
- Improved the time class.
- Improved the exceptions class and error handling.
- Any framework possible errors/warnings/notices now get written in error_log on the server drive.
- Various changes/improvements.

2.4.9
(29 July 2022)
- The factory class now returns a new instance of a class.
- Better handling of possible errors and error messages.
- Improved the filesystem class.
- Replaced scandir() with RecursiveDirectoryIterator.
- Improved language file loading functionality. Special language files are also moved inside the framework directory.
- Improved the Eorisis Framework.
- Improved Performance.
- Various changes/improvements.

2.4.8
(20 May 2022)
- Improved the Eorisis Framework.
- Various improvements.

2.4.7
(6 April 2022)
- Improved the Eorisis Framework.
- Various UI improvements.
- Various changes/improvements.

2.4.6
(27 January 2022)
- Compatibility with WordPress 5.9.
- Added Support button on the top toolbar.
- Improved the Eorisis Framework.
- Improved backend UI.
- Various changes/improvements.

2.4.5
(7 December 2021)
- Added monospaced font in the backend to improve code or numeric field inputs.
- Improved the Eorisis Framework.
- Improved documentation and documentation presentation within the extension.
- Improved backend UI.
- Various changes/improvements.

2.4.4
(27 October 2021)
- Fixed fonts URI in the backend.

2.4.3
(26 October 2021)
- Improved backend UI.
- Various changes/improvements.

2.4.2
(7 September 2021)
- Autocomplete is now off on all input and select elements in the backend.
- Various changes/improvements.

2.4.1
(17 August 2021)
- Tested on WordPress 5.8
- Eorisis framework refactoring phase 2.
- Various changes/improvements.

2.4.0
(21 June 2021)
- The Eorisis framework is now PSR-4 compliant.
- Eorisis framework namespace and class refactoring.
- Improved Stability.
- Improved Performance.
- Tested on WordPress 5.7.2
- Various changes/improvements.

2.3.3
(11 May 2021)
- Improved the Eorisis Framework.
- Various changes/improvements.

2.3.2
(19 April 2021)
- Improved compatibility with PHP 8.0.
- Avoiding errors on servers running PHP versions older than 7.2.
- Improved the Eorisis Framework.
- Code cleanup.
- Minor changes/improvements.

Tested on PHP 8.0.3, 7.4.16, 7.3.27, 7.2.34, 7.1.33, 7.0.33

2.3.1
(20 March 2021)
- Improved compatibility with Microsoft/Windows servers.
- Confirmed full compatibility with WordPress 5.7.
- Avoid installation error on servers running PHP 5.6 or older, display a proper warning and abort installation.
- Improved the Eorisis Framework.
- Improved Performance.
- Improved Stability.
- Various changes/improvements.

2.3.0
(9 February 2021)
- Dropped support for PHP 5.6.
- Improved compatibility with PHP 8.0.
- Improved the Eorisis Framework.
- Various changes/improvements.

2.2.1
(12 January 2021)
- Tightened security.
- Full support for PHP 8.0 (released on 24 November 2020).
- Improved the Eorisis Framework.
- Confirmed full compatibility with WordPress 5.6.
- Various changes/improvements.

2.2.0
(2 October 2020)
- Various changes/improvements.

2.1.5
(7 September 2020)
- Avoid error for PHP versions equal or older than 7.0.x, due to restrictions implemented in version 2.1.4.
- Improved the Eorisis Framework.
- Various changes/improvements.

2.1.4
(30 August 2020)
- Confirmed full compatibility with WordPress 5.5.
- Improved Performance.
- Minimum PHP Version raised to 5.6.0.
- Various changes/improvements.

2.1.3
(14 May 2020)
- Minimum PHP Version raised to 5.4.0.
- Improved the Eorisis Framework.
- Various changes/improvements.

2.1.2
(7 April 2020)
- Confirmed full support for PHP 7.4. Tested on PHP 7.4.4 (released on 17 March 2020) on Linux servers. *
- Confirmed full compatibility with WordPress 5.4.
- Minor changes/improvements.

* Note: In case you run PHP 7.4 on your server, it may not be compiled with zip support. In the case that your host has compiled PHP from source, as of PHP 7.4.0 the server admin must compile PHP with zip support by using the --with-zip configure option. If you face problems running PHP 7.4 on your site, then your host has not fully and/or correctly compiled PHP 7.4. In this case it is recommended to fallback to an older PHP version such as PHP 7.3.

2.1.1
(25 February 2020)
- Improved the Eorisis Framework.
- Improved language files.
- Minor changes/improvements.

2.1.0
(14 February 2020)
- Improved compatibility with WordPress 5.3.x.
- Improved Performance.
- Improved the Eorisis Framework.
- Improved Fields.
- Improved language files.
- Strict input fields.
- Various changes/improvements.

2.0.2
(1 November 2019)
- Minor changes/improvements.

2.0.1
(8 October 2019)
- Improved the Eorisis Framework.
- Various changes/improvements.

2.0.0
(30 May 2019)
- Available for WordPress.

Date Created: 13 October 2018