Perfmatters Version History

* 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.

* 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.
* Added additional logic to used CSS generation to better deal with layer elements that are declared without a content block.
* Removed built-in stylesheet exclusion for Bricks' layer files. We recommend clearing used CSS after updating.
* Added new CSS helper method to rewrite relative URLs in stylesheets that will be printed inline using regex only to prevent having to pass them through the parser.
* Updated code snippets author column to use the user's display name instead of nice name to match the single snippet layout.
* Updated disable RSS feeds function to return a 410 header instead of a 301 when requesting a feed URL.
* Made some adjustments to clean_html regex pattern to avoid potential backtracking which could end up hitting a PCRE limit in some cases.
* Made plugin UI styles adjustments in preparation for WordPress 7.
* Made improvements to visual transitions during hard reloads in the plugin UI.
* Made some changes to plugin UI nav JS to improve compatibility when wrapper elements are added in the HTML from another source.
* Fixed an issue that was causing certain attribute values to conflict with the HTML parent selector matching regex.
* Fixed an issue where specific WooCommerce product types were not getting the built-in product exclusion selector added to generated used CSS.
* Fixed an issue where HTML snippets with a condition mismatch were causing the original content to return blank.
* Fixed an issue where code snippet input preserved in the form after a failed save request was not properly unslashed.
* Fixed an issue where the code snippet code type was no longer visible and the selected value was lost after a failed save request.
* Fixed a possible PHP 8.2+ deprecation warning that could occur in specific server environments during PMCS initialization.
* Code snippet security updates to form submission handling.

* Fixed a type cast issue in wp_headers filter that was resulting in a PHP error in cases where the headers were already being filtered and returning null.

* Added new perfmatters_lazyload_data_src filter.
* Added nav selector support for functions that target elements inside parent containers.
* Added additional built-in CSS selector exclusion for Kadence active state class.
* Added is_admin check to disable dashicons function for certain edge cases in the admin UI.
* Added logic to prevent certain redundant options from showing up in the UI when parent disables are already toggled on.
* Added new General, License and Analytics classes to separate out specific functionality.
* Fixed an issue with certain attribute pair formats not being recognized when converting an element's attribute string to an array.
* Fixed an issue where delaying certain duplicate scripts would cause a JavaScript error and prevent remaining delayed assets from loading in.
* Fixed a code snippet issue where targeting the front or blog page of the site by page ID would not match correctly.
* Fixed multiple plugin UI HTML warnings for incorrect label target IDs.
* Made some lazy loading adjustments to let WordPress still add the auto size attribute value when necessary before the Perfmatters output buffer runs.
* Made changes to the way we handle images excluded from lazy loading to ensure they don't have a loading attribute applied.
* Removed previous functions.php file, refactored and migrated the of contents to new and existing classes.
* Refactored Utilities class, added a few functions from previous combined file, combined regex passes for clean_html, added memoization to necessary functions to prevent multiple runs.
* Minor update to disable self pingbacks function for better compatibility.
* Removed BETA tag from Code Snippets feature.
* Translation updates.

* Added new Code Settings options to Import and Export Perfmatters code snippets.
* Added support to export individual snippets, a subset of snippets through a bulk action, or all stored snippets from the new Code Settings export button.
* Added code snippets admin bar menu item that will show up if at least one snippet is present.
* Added frontend footer and admin footer locations for CSS code snippets.
* Added new PMMU_PLUGIN_DIR constant to allow for manipulation of the MU plugin file location for specific setups where the standard WPMU_PLUGIN_DIR may be altered.
* Added a REST API exception for Mollie.
* Added additional built-in CSS selector exclusions for Elementor's background slideshow.
* Added support for relative path URLs found inside stylesheets printed inline with our perfmatters_rucss_inline_stylesheets filter.
* Updated previous Separate Block Styles option which will now show up as a Block Style Behavior dropdown for sites running WordPress 6.9+.
* Fixed an issue in the code snippets editor where lint markers were not always correctly displaying for HTML and CSS snippets.
* Fixed an issue where the code snippet editor was pushing new lines off screen in some cases and not automatically scrolling to keep things in view.
* Fixed an issue where HTML code snippets were not able to save a non-default location.
* Fixed an issue with general Perfmatters admin notices not displaying correctly.
* Fixed multiple duplicate ID warnings in the plugin UI.
* Fixed multiple jQuery deprecation warnings in plugin UI JavaScript.
* Translation updates.