Download Perfmatters – Lightweight WordPress Performance Plugin v2.6.4

List of improvements in Perfmatters – Lightweight WordPress Performance Plugin version 2.6.4

• = 2.6.4 06.01.2026 =
• Security updates to improve PMCS admin output sanitization and query handling across snippet editor and list views.
• Translation updates.
• = 2.6.3 05.27.2026 =
• Added new Shortcode option when choosing a location for HTML code snippets.
• Added new code option to select the Editor Theme along with the ability to upload a custom CodeMirror 5 theme stylesheet.
• Added base64 encoding to exported code snippets to prevent import requests from being blocked by certain firewalls. Previously exported code snippet JSON files can still be imported.
• Added new Location helper class to store shared logic to parse and match string based location input fields throughout the plugin.
• Added the ability to use the ‘front’ keyword in location input fields to always match the front page of the site.
• Added additional lazy loading compatibility styles specifically for iframes placed inside Elementor text and HTML elements.
• Adjusted Script Manager Global View rows to always display multiple post IDs in ascending order.
• Multiple styling adjustments and fixes throughout the plugin UI.
• Made some changes to how certain UI elements trigger a forced reload in response to specific actions to make things less jarring.
• Fixed an issue where our compatibility styles for a lazy loaded video inside a responsive embed could break the layout if the core block library stylesheet was disabled.
• Fixed an issue where code type selection for individual code snippets was still visible even after saving.
• Fixed an issue where the next page buttons in the snippets table was still showing as active even when viewing the last page.
• Fixed an issue where stylesheets with protocol-relative URLs were not getting parsed for used CSS.
• Disabled lint markers for HTML code snippets, as they do not currently work for combined HTML and inline PHP code.
• Removed unnecessary instances of perfmatters-lazy-youtube class from lazy loading inline styles. All lazy loading video features are now using a shared perfmatters-lazy-video class.
• Removed unnecessary development directories from plugin files.
• Translation updates.
• = 2.6.2 04.29.2026 =
• Added support to automatically optimize and lazy load Elementor Atomic YouTube elements and legacy video widgets when Perfmatters iframe lazy loading is turned on. YouTube preview thumbnails are also supported, as well as Elementor image overlays if set for the video.
• Added request-level caching to excluded and forced lazy loading attribute arrays to prevent unnecessary calls.
• Added multiple stripos and str_contains (PHP 8) checks in lazy loading image and iframe functions to prevent expensive regex scans if tags don’t exist on the page.
• Added new should_skip_request method in core LazyLoad class with request-level caching to prevent duplicate checks for WooCommerce pages and post-specific meta options.
• Added support to various General class functions to respect ?perfmattersoff.
• Added filters back to turn off WordPress’ lazy loading and auto sizing styles when Perfmatters lazy loading is turned on.
• Added built-in JS and CSS exclusions for Woocommerce’s dynamically added woocommerce-js body class.
• Refactored LazyLoad class into multiple subclasses for better maintainability.
• Removed duplicate list normalization step before replacement across LazyLoad classes to reduce loop overhead.
• Renamed previous Images class to ImageDimensions to make room for new Images lazy loading subclass.
• Fixed an issue where certain lazy loaded tags were getting replaced globally in the document instead of only at the specific tag match instance.
• Translation updates.
• = 2.6.1 04.10.2026 =
• Made additional plugin UI styles adjustments in preparation for WordPress 7.
• Made some adjustments to our code snippets error handler initialization logic to avoid unnecessary handling if no relevant code snippets are active.
• Updated our exception_handler method with more specific error logging when our handler is dealing with an error outside of our code snippets.
• Updated Disable RSS Feeds tooltip text to reflect the recent header changes in the previous update.
• Fixed an error that would occur when UTF-8 stylesheets with specific multibyte characters were parsed for used CSS.
• Fixed multiple incorrect form label IDs that showed up when creating a new code snippet.
• Fixed an issue with Disable Self Pingbacks functionality that was introduced after the functions.php refactor.
• Fixed an issue where a JS or CSS file preloaded dynamically by handle would not serve the minified version of the file in certain cases.
• Fixed an issue where the inline stylesheet fallback was not always converting relative URLs correctly if certain characters were present in the string.
• Translation updates.
• = 2.6.0 03.25.2026 =
• Increased minimum required PHP version to 8.1 to allow for library updates and support for future codebase performance improvements.
• Added new perfmatters_rucss_logged_in filter.
• Added PHP Scoper to our plugin development workflow to be able to silo specific third-party libraries to prevent conflicts with other plugins.
• Updated PHP CSS Parser library to 9.3.0.