10 versions
WP-Optimize Premium history.
Every release of WP-Optimize Premium is archived here with its changelog, file size, and security scan result. Use the archive to roll back to a stable release or audit what changed between updates.
9 of 10 releases scanned clean
v4.6.0Latest
July 7, 20265.7 MBScanned
Added
- Premium - Automatically preloads the page’s Largest Contentful Paint (LCP) element to improve initial load speed and perceived performance
Fixed
- Cache - Fixed an issue related to cache setting saving
- Fixed a UI issue in WooCommerce variation products when Automatically preload content after it is purged is enabled
- Fixed browser caching issue where admin pages were cached
- Mobile UI issue
- Notice Dismissal issue
- Usage of htmlspecialchars()
Improved
- Code from can_purge_cache() method moved to WP_Optimize_Utils::current_user_can_purge_cache()
- Fix WordPress Security check errors and warnings on admin page
- Make `is_edit_mode` a static method and avoid duplication
- Optimized WP_Optimize_Database_Information::get_table_plugin() method
- Added method to check current user has the capability
- Added methods to retrieve and save essential WP-Optimize toggleable settings for UpdraftCentral
- Disable and hide the "Speed up WooCommerce 'Get total spent' query" Power Tweak when it's no longer relevant
- Handle race conditions in font downloading and optimize cache stats storage
- Improved image grid action button visibility to accommodate WordPress 7.0 button styling changes
- Matched response styles when purging via the admin bar
- Premium - Handle empty orders in WooCommerce Total Spent Power Tweak feature
- Premium - Improved hash logic for the Unused CSS Removal feature
- Prevent unwanted cache growth caused by crawlers or preload bots
- UI changes to match WordPress 7.0
- Unschedule all WP-Optimize cron jobs on deactivation in multisite
- WP_Optimize_Power_Tweaks class method deactivate bug fixed related to the array_diff function
v4.5.4Unavailable
May 25, 20264.4 MBScanned
Fixed
- WebP image compression breaking in some cases
Improved
- Avoid instantiating PHPSQLParser on each call in WPO_DB_Table_Analysis
- Class WPO_WebP_Convert
- Make markup readable in `tables-body.php` template
- Refactored duplicated cache_admin_bar logic by centralizing it in the admin class and removing redundant implementations.
- Removed unused `WPO_Htaccess_Capabilities` class
- WPO_Activation class
- WPO_Uninstall class
- WPO_WebP_Alter_HTML class
- WPO_WebP_Self_Test class
- WPO_WebP_Test_Run class
- WPO_WebP_Utils class
- WPO_Webp_Task_Manager class
- WP_Optimize_WebP class
- WP_Optimize_WebP_Images class
- Added an additional check to prevent SplFileInfo::getSize() RuntimeException in WP_Optimize_Utils::get_folder_stats()
- All in One SEO plugin compatibility issue
- Cache - Inconsistent REST cache filenames due to query parameter order
- Cache - Set the purge old cache cron schedule based on the Cache lifespan setting
- Ensure parsed result is an array in WPO_DB_Table_Analysis::get_query_table()
- Exclude GIF from being converted to WebP with `wpo_webp_convert_compressed_images` cron job
- Optimized `wpo_username_from_cookies()` to avoid repeated database queries per request
- Precheck for existing WebP format of file before running WebP conversion
- Remove redundant code that is not reachable.
- Resolved edge cases in CapoJS
v4.5.3Unavailable
April 30, 20264.4 MBScanned
* SECURITY: Prevented path traversal security risk. Thanks to Wordfence for the responsible disclosure
v4.5.2Unavailable
April 22, 20264.4 MBScanned
Fixed
- Bug preg_match() fails on wildcard * patterns in browser agents exclusion list
- Cache - purge the cache when a plugin is auto-updated
- Ensure page caching is fully disabled by updating internal cache configuration to prevent constant-related errors in logs
- Premium - Unused images - Fixed an issue where multiple unused images were displayed for an edited image on setups where images are not stored in /yyyy/mm folders
- Minify - The cron job to purge old cache files is not created
Improved
- Instead of nested output buffering, code make use of single buffer using Page Optimizer class
- Refactor Updraft_Smush_Manager::update_smush_options() method
- Using ABSPATH to prevent direct access instead of plugin constants to comply with PCP
- Added a safety check to remove scheduled table optimization cron jobs when the server does not allow table optimization
- Enhanced database table detection by marking the KD Submissions database table as used by Elementor Pro
- Fixed a UI issue with WebP conversion in the Media Library
- Handle WP_Error in WPO_Page_Cache::enable() callers
- Initialize Heartbeat only on admin pages
- Premium - Preload only selected URLs in the "Cache Specific URLs Only" setting
- Premium - Smush - Improved PHP 8.5 compatibility by replacing deprecated $http_response_header usage
- Updated user agent for the cache preloader
v4.5.1Unavailable
March 25, 20264.4 MBScanned
Fixed
- Fixed compatibility issue with WP Remote
- Notice: Function _load_textdomain_just_in_time was called incorrectly
- Resolved weekly cron not running on WordPress < 5.4 by switching to the wpo_weekly schedule
- Database table error when upgrading from free to premium version
Improved
- Improved WebP conversion flow by separating capability checks from configuration changes
- Improved auto-optimization handling by correcting static method usage
- Introduced `WP_Optimize_Server_Compatibility` class to centralize all server environment checks
- Removed separate `get_schedule_types()` method in premium version
- Display the `Enable the caching menu in the admin bar` option only when Cache or Minify is enabled
- Improved detection of LearnDash plugin tables
- Improved onboarding wizard RTL support and eliminated dependency on the PHP Reflection class
- Improved robustness of `uploads/wpo` directory removal during plugin uninstallation
- Minify - Don't remove the version query argument when the source is not processed by Minify
- Premium - Unused Images - Enhanced detection of edited WordPress images
- Prevent deprecation notices in PHP 8.5
- Add a notice when `.htaccess` file is not available or renamed in Apache servers
Other
- SECURITY: Enforced capability checks and allowed-command validation for Smush actions triggered via Heartbeat API. Thanks to WordFence for the responsible disclosure
v4.5.0Unavailable
February 12, 20264.4 MBScanned
Added
- Premium - Cache – Added ability to cache only selected URLs
- Premium - Minify - Host Google Fonts locally
- Premium - Option to enhance page performance by applying Capo.js rules
Fixed
- Cache - fixed sitemap caching issue
- Improved compatibility with WordPress versions earlier than 6.1
- Reset WebP conversion failure no longer appears in the popup
- Resolved issues with detecting WebP conversion availability
- Smush – Fixed missing tooltip in the 'Compress' pop-up in Media Library
- Stop initialization of page optimizer for non-HTML requests
- Remove marcusschwarz/lessc lib from autoload
Improved
- Added support for bypassing WPO features via a URL query parameter defined by the WPO_DISABLE_MODE_URL_PARAM constant
- Allow some database records cleanup for Kinsta users
- Clear cache of archived pages when a related post is updated
- Disabled CSS/JS merging by default.
- Enhanced 404 detector compatibility with plain permalinks
- WP_Optimize_Options::auto_option_settings() is not called in Premium version
- Improved timestamp handling to prevent fatal errors on WordPress 4.9
- Improved Minify settings UI so JavaScript options correctly show/hide when JS minification is enabled/disabled
v4.4.0Unavailable
December 24, 20254.2 MB
Added
- Added Onboarding Wizard
Fixed
- Ensured old cache purging cron job is scheduled successfully
- Fixed a potential fatal error in the WPO_Page_Optimizer class
Improved
- Fixed the ability to disable caching menu in admin bar
- Updated file permissions for wpo-plugins-tables-list.json
November 18, 20254.1 MBScanned
Fixed
- Prevent PHP fatal error occurring when cache is enabled and the "Aelia Currency Switcher for WooCommerce" plugin is active
- Cache – Fixed compatibility issue
- Database - Table Usage - Fixed the issue with incorrect table name detection in certain cases
- Fixed UI Issue - Content cut off in "Review Actions" modal under WP-Optimize > Database
- Fixed _load_textdomain_just_in_time trigger too early
- Premium - Unused images - Fixed an issue with clearing the cache of unused images
- Smush - Compressing an image larger than the reSmush.it service limit freezes the popup in the Media Library
- Smush - Fixed issue with multiple images compression action
- Undefined property: stdClass::$plugin_status bug fixed
Improved
- Database - Table Usage - enhanced variable names
- Using strict comparison throughout the codebase
- Improve detection of cloudflare handling browser cache
- Added validation for AJAX commands in the Premium version
- Convert already compressed images to webp format when possible
- Fix the compatibility issue with ALTCHA when using the ASE Pro Plugin
- Improve browser caching by adding max-age option
- Premium - Cache - Do not process the cache when the user cannot be identified
- Premium - Database - Tables usage report shows data only for active plugins
- Premium - Unused Images - Enhanced detection for Revolution Slider
- Premium - Unused Images - Improved detection of unused images in Oxygen Builder
- Premium - Unused Images - Recognize Oxygen 6 images
- Premium - Prevent PHP warnings from Table Usage feature
- Remove unused jQuery 1.12.4 dependency
- Run database table optimization last
- Updated links
- Various tweaks and improvements to code
Why archive
Sometimes the latest release isn't the one you need. The archive lets you pin WP-Optimize Premium to a known-good version, or roll back while a bug is investigated. Every release stays scanned and reachable.