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| Dir : /home/antonkerr/www/wp-content/plugins/w3-total-cache/changelog.txt |
=== W3 Total Cache Changelog === = 2.8.14 = * Fix: Better logic for mfunc/mclude processing * Enhancement: More consistent purge notices = 2.8.13 = * Fix: Sanitize mfunc/mclude content in REST calls * Fix: Resolved plugin check errors * Fix: Discard simplexml errors * Fix: Missing text domains * Fix: Ensure array type for filter "w3tc_footer_comment" * Enhancement: WebP Converter: WP_Query optimizations = 2.8.12 = * Fix: Lazy load background-image style handing * Fix: Elementor: Also flush Object Cache after Page Cache is flushed * Fix: Canonicalize Cache read path to avoid variants = 2.8.11 = * Fix: Avoid redundant object cache misses in WP 6.4 - 6.7 * Fix: Admin bar: Do not show "Purge All Caches Except Cloudflare" if disabled after it was configured * Fix: Error handling for URL downloads * Fix: Menu items for non-administrators * Update: Lazy load library: 12.2.0 => 19.1.2 * Enhancement: Use SimpleXMLElement to parse sitemaps and RSS feeds * Enhancement: Flush Elementor cache when all caches are flushed = 2.8.10 = * Fix: Exception handling on activation * Fix: wp_resource_hint handling for arrays * Enhancement: Added X-W3TC-CDN header = 2.8.9 = * Fix: AWS S3 test * Fix: Gravity Forms submissions * Fix: Windows: Configuration import * Fix: Redis: Fix PHP 8 warning for incrBy value not being an integer * Fix: DbCache Cluster: Check for mysqli_result before using the object * Fix: PHP 8 warnings * Fix: Typos on settings pages = 2.8.8 = * Fix: Usage Statistics JavaScript error * Fix: Regex matching for Cookie Cache Groups * Fix: Image Service: Error when get_current_screen() is run before admin_init * Fix: _load_textdomain_just_in_time timing issue for WP-CLI and the Setup Guide * Fix: "DOMDocument::loadHTML(): ID already defined in Entity" errors * Fix: Cloudflare: Saving settings with a value of 0 * Update: Removed StackPath, Limelight, and Highwinds CDNs due to end of service = 2.8.7 = * Fix: Exit survey email field submission * Fix: Setup Guide analytics * Update: Allow deleting plugin data when skipping the exit survey on deactivation * Update: aws/aws-php-sns-message-validator (1.9.0 => 1.9.1) = 2.8.6 = * Fix: Error deactivating when selected to delete plugin data * Fix: WP-CLI: Enable Object Cache depending on settings * Fix: Delete all plugin WordPress Options if selected on deactivation * Enhancement: Automatically disable Object Cache after plugin update if set to Disk and display a notice * Enhancement: WP-CLI: Added settings to enable Object and DB Cache for WP-CLI * Enhancement: Added an email field to the exit survey for requesting help * Enhancement: Added a popup modal to accept the risk when enabling Object Cache using Disk = 2.8.5 = * Fix: CDN: Amazon S3 long hostname for default region * Fix: WP-CLI: Error running "wp w3tc alwayscached_*" commands * Fix: WP-CLI: Remove HTML in output * Enhancement: Simplified license messaging = 2.8.4 = * Fix: Deactivation modal JS error = 2.8.3 = * Fix: HTTP API calls for checking required files * Fix: script-src-elem and style-src-attr security headers * Fix: Handle multiple line srcset attributes for CDN URL replacement * Fix: Fragment Cache: Fixed logic for navigation links * Fix: Check for modified advanced-cache.php dropin/addin file * Fix: Log directory name is made unique * Enhancement: Added an exit survey with option to delete plugin data on deactivation * Enhancement: Fragment Cache: Added notices for configuration * Enhancement: Use admin-ajax for settings help tab content links * Update: Handle XML MIME types in cache by default * Update: Added "immutable" options for cache-control headers * Update: Added WP-CLI command descriptions * Update: CDN widget notices for BunnyCDN * Update: WebP Converter widget notice = 2.8.2 = * Fix: Added additional user capability checks * Fix: Ensure Object Cache garbage collection (disk) WP Cron event is scheduled * Fix: Added additional checks when loading the Object Cache dropin * Fix: Disable Database, Object, and Fragment Cache when using WP-CLI * Fix: Object Cache debug logging * Fix: FAQ help tabs * Update: Coding standards = 2.8.1= * Fix: Ensure WP Cron events get scheduled when using the Setup Guide wizard and on upgrade * Fix: Undefined variable when the Object Cache purge debug log is enabled * Update: Added warnings in the Setup Guide and the General Settings page when using Disk for Database and Object Caches * Update: Skip Database and Object caches when using WP-CLI = 2.8.0 = * Feature: Always Cached extension * Feature: Purge caches on WP-Cron schedules * Fix: Cloudflare: Some settings were not saved correctly * Fix: Check and update file mode/permissions for cache files * Fix: Issue prompting for credentials for some non-direct filesystem types * Enhancement: Added an admin notice if WP-Cron is not functioning correctly * Enhancement: Added Browser Cache filters * Update: Upgraded JSMin library to 2.4.3 * Update: Added Premium Services tabs = 2.7.7 = * Update: CDN: Added support for Microsoft Azure EntraID Managed identities = 2.7.6 = * Fix: Improved cache flushing on actions/updates * Fix: Google PageSpeed authorization * Fix: Remove Fragment Cache link if extension is disabled * Fix: License status fix * Fix: Statistics PHP warning when some data is stale * Fix: API improvement for non-200 responses * Enhancement: Added notices when choosing Disk for object and database cache engines * Update: Object cache improvements * Update: Allow WPML extension activation for TranslatePress * Update: Added more information for selections in the setup guide wizard * Update: Updated cache header directive choices (no-cache/no-store) * Update: Nginx configuration examples = 2.7.5 = * Feature: Added dismissible notifications * Fix: PHP error in Page Cache when deleting media * Fix: PHP warning in Page Cache when modifying an attachment * Update: Added additional default query strings for page cache exemptions * Update: Removed obsolete Google PageSpeed metrics * Update: Condensed Google PageSpeed proof block format for certain settings/features * Update: Added missing Google PageSpeed score block for PageCache Lazy Loading Google Maps setting on General Settings page = 2.7.4 = * Fix: WP-CLI get option output for array type * Fix: Remove CSS/JS URL matching * Fix: Nginx rules for feature and permission policies * Fix: Redis connect port for unix sockets error * Update: Newsletter in footer is now a link to a working form * Update: Added JSON type for WP-CLI get/set option * Update: Added config export for WP-CLI * Update: Added content matching option for Remove CSS/JS individual entries * Update: Updated Google PageSpeed score block appearance for cleaner UI * Update: Added Google PageSpeed score block for PageCache Lazy Loading Google Maps setting * Update: Added Google PageSpeed score block for Minify Eliminate Render Blocking CSS option = 2.7.3 = * Fix: Page Cache: File Cleaner now uses the correct expiration setting * Fix: PHP 8.1 warnings for Redis connect * Fix: Google ChartJS error * Update: Bumped PHP minimum version to 7.2.5; added support for up to PHP 8.3 * Update: AWS SDK PHP dependency updated to 3.314.2 * Update: Microsoft Azure Storage SDK PHP dependency updated to 1.5.4 (blob) and 1.5.2 (common) * Update: Several other PHP and NodeJS dependencies updated * Update: Made improvements to the Remove CSS/JS feature * Update: Removed the newsletter sign-up popup and added it in the footer * Update: Added use-case proof and links to settings pages * Update: Changed CDN default to none and updated the StackPath EOL notice = 2.7.2 = * Fix: Page Cache cleanup purging all if browsercache.html.lifetime > W3TC_CACHE_FILE_EXPIRE_MAX * Fix: Page Cache primer: Ignore sitemap XML comments * Fix: Page Cache primer: Preload cache for custom post types * Fix: Page Cache primer: Add an option to prime cache after updating a post/page/CPT * Fix: Redis test logic * Fix: Cloudflare extension: Setting values via API * Fix: Amazon SNS message validation * Fix: Handle XML setting being saved properly * Update: Add more options to the Remove CSS/JS feature * Update: Add an option for Amazon CloudFront default region in distribution hostname * Update: Add information about feature impact on PageSpeed * Update: Reworked the Page Cache Preload settings UI = 2.7.1 = * Fix: Page Cache: Prefer Brotli over Gzip * Fix: Page Cache: Purge sitemaps on post creation/edit/trash/delete * Fix: Page Cache: Processed content filter * Fix: Minify URL to filename filter mapping * Update: Added Bunny CDN partner information * Update: Added filters for Apache rules and Page Cache postfix = 2.7.0 = * Feature: Performance Dashboard update * Feature: Remove unused CSS/JS * Fix: Nginx feature and permission policy header syntax * Fix: Memcache install check * Fix: CloudFront purge button * Fix: Uncaught type error on the install page * Fix: Page mapping data * Fix: Add missing id for a save settings button * Fix: Extension counts * Fix: PHP 8.2 deprecation warnings for dynamic class property assignments * Fix: Do not autoload WP option for PageSpeed data * Fix: Cache groups: Fix spacing in values for htaccess syntax * Fix: Refactor Minify cache key mapping to have shorter keys and separate storage * Fix: Minify statistics output and PHP warnings * Fix: Feature Showcase: New feature version numbers * Fix: Lazy Loading URL pattern match * Update: Upgrade modal/popup * Update: Added "Learn more" links = 2.6.1 = * Fix: WebP Converter extension activation * Fix: Media Library upload may fail when using Bunny CDN * Fix: Cloudflare API error when updating certain settings * Fix: Lazy Loading issue with the Delay Scripts feature enabled * Update: Allow custom hostname changes for Bunny CDN = 2.6.0 = * Feature: Added support for Bunny.Net CDN * Feature: Preload requests (Pro) * Fix: Error when changing CDN cookie domain setting * Fix: Admin notice when flushing cache from the admin bar * Fix: Error in some Minify cache file operations * Fix: PHP 8 compatibility * Update: Delay scripts UI changes = 2.5.0 = * Feature: Added Delay Scripts (Pro) * Fix: Several PHP 8 warnings * Fix: Fragment Cache extension PHP warnings when no engine was selected * Fix: Fragment Cache engine selection disabled for pro license under certain conditions * Fix: Added Database Cluster compatibility for older db.php files * Fix: Fixed one PageSpeed tool metric not outputting data and adjusted a few labels * Fix: Multiple anchor links for PageSpeed block on General Settings page * Fix: Cache Groups validation on save * Fix: Cache Groups delete button not working for added groups * Update: Renamed Image Service feature to WebP Converter * Update: Added WebP Converter block to General Settings page along with link to navigation bar * Update: StackPath CDN prices (Service ending November 22, 2023 and will be replaced by Bunny CDN in future update) = 2.4.1 = * Fix: Add a fallback for the older version of wp-content/db.php = 2.4.0 = * Feature: Added filter "w3tc_config_item_objectcache.enabled" to allow for disabling W3TC object cache * Fix: Auto-apply W3TC Pro license after purchase via in-plugin purchase/upgrade buttons * Fix: PHP 8 warnings for Page and Fragment caches * Fix: Replaced delete_blog deprecated hook with wp_uninitialize_site and wp_update_site * Fix: Database Cluster configuration file save issue * Fix: Fragment cache will now be disabled for non-pro users instead of being only disabled on the front-end * Fix: Premium services widget list is now synced with the support page * Update: User interface updated for cleaner appearance and easier navigation and control * Update: Added support for get/set/add/delete wp_xxx_multiple methods to Object cache = 2.3.3 = * Fix: Fragment Cache: Fatal error when displaying registered groups * Fix: PHP 8 deprecation warnings in the SNS Message Bus and NuSOAP libraries * Fix: Broken nonce for renewal form * Fix: Page Cache: Moved hardcoded query string exemptions to the settings page * Update: Redis and Memcached host/IP/domain configuration examples = 2.3.2 = * Fix: Correct interpolation of a symlinked cache directory * Fix: Memcached test using SASL authentication * Fix: Multi-site authorization request returning to incorrect URL = 2.3.1 = * Fix: PHP 8 compatibility: Invalid return type if Browser Cache is disabled * Fix: Added AWS SNS message classes (aws/aws-php-sns-message-validator) * Fix: PageSpeed service: messages and escaping * Fix: Image Service meta query handling * Update: Dependency version updates * Update: Content-Security-Policy (CSP) and Content-Security-Policy-Report-Only (CSPRO) header field configuration = 2.3.0 = * Feature: PageSpeed Insights reports and performance page widget * Feature: Added basic OpenLiteSpeed support * Feature: Add Permissions-Policy to mirror Feature-Policy directives * Fix: PHP 8.2 compatibility * Fix: GuzzleHttp 7 conflict with Azure * Fix: Allow object cache updates when using WP-CLI * Fix: Added missing Page Cache configuration "host" value * Fix: Missing on_comment_status action callback * Fix: Flush cache on attachment update * Fix: Varnish flush for posts * Update: Improved comment status logic for flushing database and object caches * Update: Adjusted FTP form style * Update: Removed deprecated MaxCDN and NetDNA components and added a notice if one was used * Update: Removed deprecated FeedBurner = 2.2.12 = * Fix: Comment status change error * Fix: Varnish flush post arguments = 2.2.11 = * Fix: Error when flushing page cache after an attachment update = 2.2.10 = * Fix: Optimized and fixed object cache flushing * Fix: Scheduled post page cache flushing * Fix: Admin bar flush cache for current page with disabled purge policy * Fix: Loop when disabling Minify HTTP/2 push setting * Fix: Extension admin notice missing links * Update: Removed custom translation files = 2.2.9 = * Fix: Reset our textdomain for translations = 2.2.8 = * Fix: Escape output in compatibility checker, minify, and New Relic pages * Fix: Admin notice buttons on non-plugin pages * Fix: Namespace on exception type in a minify class * Fix: Translation issues due to hooks and typos * Fix: Broken JavaScript in admin_print_scripts calls when language is not English * Fix: Deprecated warnings in JS and CSS minify * Update: Translation files = 2.2.7 = * Fix: Updated database cache connection class to avoid deprecated warnings in WordPress 6.1 * Fix: Redis: Fixed handling of retry interval and timeout options for usage statistics * Enhancement: Redis: Added TLS/SSL certificate verification option * Enhancement: Page cache: Added query string exemptions = 2.2.6 = * Fix: Error clearing all cache when using CloudFront full CDN in Pro = 2.2.5 = * Fix: Revert WooCommerce Variation Image Gallery plugin CDN filter * Fix: DB cache syntax error in PHP 5.6 * Fix: Added missing space to S3 CDN bucket label * Fix: JS error for CloudFront CDN related check on non-W3TC pages * Fix: Page cache unpack warning for empty/malformed files * Enhancement: Image Service pre_get_posts anonymous action now hooked (w3tc_modify_query_obj) * Enhancement: Image Service ajax_query_attachments_args anonymous action now hooked (w3tc_filter_ajax_args) = 2.2.4 = * Fix: Extensions URL in settings * Fix: Redis undefined array key warnings * Fix: Redis connect issue based on phpredis version * Fix: Sanitization of licensing messages * Fix: DB cache error in Ajax * Fix: Call to undefined function in DB cache query class * Fix: PHP 8 compatibility: join * Fix: WooCommerce Variation Image Gallery plugin CDN filter * Enhancement: Add setting for AWS S3 public objects in ACL * Enhancement: Check if post is empty before cache flush * Enhancement: Add max lifetime setting for non-disk page cache * Enhancement: Add notice when selecting CDN using CloudFront * Update: CSS Tidy 1.7.3 => 2.0.1 * Update: Add sns-message-validator * Security: Ensure cache writes in cache folders = 2.2.3 = * Fix: Redis Cache: Removed exception on warnings * Fix: Compatibility check for WP_CACHE * Fix: Flush all cache cache except Cloudflare button * Fix: License terms update notice escaping * Fix: Feature Showcase: Image Service activate button * Security: Updated guzzlehttp/guzzle to 6.5.8 = 2.2.2 = * Security: PHPCS and WPCS updates * Security: Updated guzzlehttp/guzzle to 6.5.6 * Security: Updated guzzlehttp/psr7 to 1.8.5 * Fix: Cloudflare flush all cache * Fix: Access log test * Fix: Better handling for PHP 5.6 * Fix: Convert Redis warnings to exceptions * Fix: WordPress 5.5 image lazy loading * Fix: Infinite loop when using database cluster configuration * Fix: Database cluster logic * Fix: FTP credentials form * Fix: Preview deploy button * Fix: Image Service links in multisite network admin * Fix: Enable Image Service settings changes in multisite blog/sub sites * Enhancement: Updated Cloudflare settings to allow a global API key or token * Enhancement: Added Cloudflare CDN public objects option to settings * Enhancement: Added timeout settings for Redis * Enhancement: Added TLS/SSL certificate verification option for Redis * Enhancement: Added Image Service visibility option * Enhancement: Updated Image Service limit notification * Enhancement: Better handling of trailing slash URLs * Update: Adjusted lightbox for accessibility * Update: Removed deprecated opcache flush = 2.2.1 = * Fix: Cloudflare: Removed use of the retired ip_lkup V1 endpoint * Fix: Prevent error in some environments using non-direct filesystems * Fix: Added better checking for some filesystem actions * Fix: AWS CloudFront: Reverted async change for cache invalidation to honor promises * Enhancement: Added option to exclude minified JS files from being processed by Rocket Loader * Enhancement: Improved handling of Image Service rate-limiting and error messages = 2.2.0 = * Feature: Image Service extension: WebP conversion options = 2.1.9 = * Fix: Cloudflare Dashboard Widget: Updated to use GraphQL * Fix: Cloudflare Dashboard Widget: Use WordPress timezone * Fix: CDN: Execute purge only if hosting is enabled, to prevent unneeded delays * Fix: Published/modified custom posts not clearing the archive cache(s) * Fix: Native WordPress sitemap caching * Fix: Extra MIME groups other than controlled by settings were added to rules * Fix: Usage Statistics: Not functioning when object cache is set to Redis * Fix: AMP Extension: Prevent popup admin bar for endpoints * Fix: Setup Guide Wizard: CSS for long translations * Fix: Opcache Settings: Validate timestamp indicator checkbox * Update: Remove robots.txt cache toggle setting * Enhancement: Impove 404 detection * Enhancement: Improved compatibility check indicators * Enhancement: AWS CloudFront: Faster cache invalidation using async = 2.1.8 = * Fix: Corrected handling of robots.txt (file and filter) = 2.1.7 = * Fix: Corrected relative paths used in the JS minify YUI Compressor * Fix: Disallow crawling of cache directory * Fix: Responsive display for the dashboard * Enhancement: Added lazy load threshold setting * Enhancement: Added feature policy security headers to settings = 2.1.6 = * Fix: JS minify issue with template literal backticks * Fix: Do not redirect when using WP-CLI * Fix: Missing whitespace in Memcached Nginx configuration * Fix: Setting for CDN over passive FTP * Fix: Updated CDN Minify regex * Fix: Added missing text domains and fixed translations * Enhancement: Allow default AWS credentials provider * Enhancement: Added error logging when minification base URL is not found = 2.1.5 = * Fix: Sanitize extension argument = 2.1.4 = * Fix: Use Memcached server from config for Nginx rules instead of localhost * Fix: Allow more characters in CDN hostname sanitization * Fix: Added missing textdomains for Browser Cache settings * Fix: Avoid a possible PHP warning in LazyLoad mutator * Enhancement: Added a filter w3tc_cdn_cf_flush_all_uris for CloudFront purging = 2.1.3 = * Fix: Authenticated Persistent XSS & XFS in CDN admin page * Update: AWS library version 3.183.0 * Update: Minify: Include theme template files using page_* filenames = 2.1.2 = * Fix: Skip removing spaces around "<li>" tags in HTML Minify * Fix: Updated admin URL logic for multisite installations * Fix: TransparentCDN purge URL validation * Fix: Added an option to use ABSPATH as the document root for Minify * Fix: Database cache debug message * Update: Added regions for AWS S3 (af-south-1, cn-north-1, cn-northwest-1, eu-south-1) * Update: Added MIME types AVIF and AVIFS for Browser Cache rules * Update: Enhanced "get_pagenum_link" filter * Update: Removed "comment" from the non-persistent object cache group = 2.1.1 = * Fix: Move Minify library to a namespace to avoid conflicts with other plugins * Fix: Check for AWS before loading functions * Fix: Update Minify ClosureCompiler base URL; use HTTPS * Fix: Corrected getting the network siteurl * Fix: Prevent PHP warning in CurlFactory * Update: Added information links to general minify options * Update: Added video/ogg support for browser caching = 2.1.0 = * Feature: Added a Feature Showcase to highlight new and existing features * Update: Consolidated cache groups settings pages * Update: Replaced deprecated jQuery method for WordPress 5.6 * Fix: PHP warnings for sprintf placeholders in PHP 8 * Fix: PHP deprecated warnings in PHP 8 * Fix: Browser Cache Quick Reference Chart link * Fix: Bad nonce in help * Fix: Google Drive CDN JavaScript = 2.0.1 = * Fix: Corrected redirection logic for the new Setup Guide * Fix: Fixed JavaScript w3tc_ga error = 2.0.0 = * Feature: Added the Setup Guide wizard for onboarding * Update: Updated jQuery compatibility and methods deprecated in WordPress 5.6 * Fix: Browser Cache: Fixed ExpiresByType code; changed from modified time to client access time = 0.15.2 = * Fix: Minify: Do not remove quotes around meta tags * Fix: Minify: Removal of spaces in calc function was breaking CSS * Fix: Browser Cache: Query string was not added to prevent caching after setting changes * Fix: Avoid warning when sending an empty URL for purging * Update: Added a filter for minified JavaScript content * Update: Minify: Added options for minify only got both JS and CSS in auto mode = 0.15.1 = * Fix: Fixed Memcached flush logic * Fix: Remove disk enhanced rewrites when disabling page cache * Fix: Better handle conflicts on activation = 0.15.0 = * Feature: Added TransparentCDN full-site delivery option * Fix: Update settings on activation in a changed environment * Fix: Fixed a compatibility check for Apache when PHP is running as CGI * Fix: Always set HSTS headers in Apache; not only for 2xx HTTP codes * Fix: Implemented anatomic incrementing of key version in Memcache(d) * Update: Allow filtering of w3tc_minify_url_for_files Minify URL for files = 0.14.4 = * Fix: Cleanup widget and postbox display for WordPress 5.5 * Fix: Update to PageSpeed API v5, show webvitals metrics * Fix: Console error when adminbar is hidden and PageSpeed module is active * Fix: Stats view JS issue * Fix: Deprecated jQuery warnings * Fix: Require files for request_filesystem_credentials() call * Added option to disable jquery-migrate on the front-end. Fixed #172 master (#240) = 0.14.3 = * Fix: Take "Accepted Query Strings" into account when "Cache query strings" enabled * Fixed typo in variable for lazy loading * Update: Add lazy load Google Maps reference to the general settings page * Update: Support background-image: together with background: for lazy loading = 0.14.2 = * Fixed WP-CLI redirect issue in multisite * Fix: Avoid PREG_JIT_STACKLIMIT_ERROR in minify * Fix: Prevent empty needle PHP warning * Update: Allow to specify URIs with a query string in Additional Pages = 0.14.1 = * Fixed CSS minify URL rewrite logic that affected some lazy loading and CSS URL addresses using protocols = 0.14.0 = * Added lazy loading for Google Maps * Added a filter w3tc_minify_css_content for minified contents * Fixed a minify regex issue in non-Unicode websites * Fixed a PHP notice in WPMU: accessing array offset on null * Fixed a minify issue where embedded CSS URL fragments were converted incorrectly * i18n improvement * Changed default to disabled for wp-admin requests in the object cache = 0.13.3 = * Fixed HTML minification of img elements containing embedded SVG strings * Removed an identifying value for GDPR = 0.13.2 = * Fix: Don't store content of HEAD requests * Updated informational URL on page cache static page comments = 0.13.1 = * Fixed php warnings in PgCache_ContentGrabber.php = 0.13.0 = * Added new Pro feature, Debug - Purge Stack Trace * Added "Feature Policy" security header * Removed deprecated get_magic_quotes_gpc() * Improved AMP Extension by ignoring value of amp querystring marker in request if passed without value in config * Improved lazyload by not processing elements with skip-lazy class or data-skip-lazy attribute * Fixed caching of query-string normalization redirects, no longer cached when cache key is normalized by accept querystring arguments, caused redirect loop = 0.12.0 = * Added querystring based URL structures for AMP pages * Added filter of minify options * Added lazyload picture tag support * Removed footer link "Support Us" option * Improved wp_die handling * Improved lazyload handling of content in script tags * Improved lazyload handling of feeds * Improved printing tags coming from feeds * Improved handling of modified posts before wp_rewrite initialized * Nginx rules changed a lot to avoid "location" block conflicts. That change may cause problems on some systems using non-default WordPress rules - keep a backup of your original rules * Improved handling of .htaccess files in regard to EOF * Fixed Varnish purging * Fixed html minification of data tags equaling 0 = 0.11.0 = * Added recommendation for BoldGrid's Total Upkeep plugin * Added new lazy loading feature * Removed New Relic extension by default for new installations * Updated usage of html minification and quote removal * Improved memcached config and added optional binary protocol setting * Improved process of renewing expired licenses * Improved page cache purging * Improved FAQ link by opening in new window * Improved detection of detect_post_id * Improved REST caching in relation to cache headers like X-WP-* * Improved Vary User-Agent header usage * Improved various features with AMP pages and HTTP2 * Improved redis connection string to allow for tls://host:port format * Fixed file headers for CloudFront S3 CDN * Fixed fatal error on with flush / SNS * Fixed comments with URLs within minify debug mode * Fixed ObjectCache statistics within footer * Fixed temporary hotfix with wp_die and regular output * Fixed fragment cache header link * Fixed flushing of /feed and /feed/ cache * Fixed js error in widget * Fixed fatal cache flush error caused by empty $wp_rewrite * Fixed path for file_generic REST caching on non-default port * Fixed test minify button with Closure Compiler engine = 0.10.2 = * Fixed compatibility with wpdb::prepare in WordPress 5.3 = 0.10.1 = * Fixed slowdown in memcached engine * Fixed Purge Cache menu links so they flush current blog in WPMU * Fixed error during upgrade, "Call to undefined method W3TC\Util_Content::is_database_error" * Updated Redis cache engine to avoid "Function Redis::delete() is deprecated" warning = 0.10.0 = * Improved Statistics component for pro users * Improved support for CloudFront distributions with multiple origins * Improved redirects by using safer wp_safe redirect * Improved .htaccess usage when pagecache does not require it * Improved protection of unexpected values in global variables * Added more Amazon S3 regions * Added support for memcached binary protocol when available * Added caching for WebP MIME type * Updated S3 bucket creation by settings CORS policy * Updated blogmap to allow urls with custom ports * Fixed usage of base url with minify * Fixed mixing content of sync & async scripts with minify * Fixed S3 + CloudFront urls when CNAMEs not used = 0.9.7.5 = * Updated AWS library * Added support of set_sql_mode by dbcluster * Improved support for webserver running on non-default port with disk-enhanced * Improved menu icons * Fixed php warning when remote service cannot be loaded * Fixed php warnings on support page = 0.9.7.4 = * Fixed PHP warning when Redis integration not configured correctly * Fixed 404 in multisite caused by subdirectory issue * Fixed object cache issue in multisite where object cache was cleared at wrong time * Fixed database cluster in WordPress 5.1 * Fixed warning caused by user agent theme change used * Fixed minification in multisite when URLs were set to root-blog based url * Fixed undefined w3tc_ga issue * Improved purging of current page by using post_id instead of URL * Improved cache delivery of /feed URLs * Improved security on calls to opcache flush * Improved minification of files in environments running on non-default ports = 0.9.7.3 = * Fixed caching of redirect responses based on empty response body * Improved compatibility with WordPress 5.1 * Improved transports, unix: prefix not required * Improved minify html = 0.9.7.2 = * Fixed fatal error during media file upload with CDN module active * Fixed removal of empty values, JSON encoded string in attribute, trailing quote at end of tag, and the handling of anchors in HTML minify * Fixed undefined index warning * Fixed fatal error when purging CDN using full site delivery = 0.9.7.1 = * Fixed undefined variable notice * Fixed "No such file or directory" warning * Fixed writing to PHP error log rather than WordPress debug log * Fixed default referrer policy should be "no-referrer-when-downgrade" * Fixed php_flag error related to browser cache, using ini_set instead * Fixed Cloudflare IPv6 check undefined offset * Fixed Undefined constant WP_ROOT * Fixed frame-ancestors being overwritten by frame-src * Fixed missing semicolon in nginx configuration * Fixed HTTP/2 URLs handling for browser cache and CDN modules * Fixed display of CDN debug information * Fixed CSS Minification with Google Fonts when included via "Include external files/libraries" and non-latin character-sets are loaded * Fixed media query string not updating when all caches were purged * Fixed double slash with ABSPATH if file exists * Fixed setting max-age and expires header simultaneously * Fixed SASL detection for PECL Memcached * Fixed handling of manually entered objects to be purged on CDN * Fixed query string handling in Nginx * Improved error handling with Cloudfront * Improved page cache logging * Improved multi-tenant support for memory-based caching engines * Improved CSS minification * Improved purge behavior for changed media objects when using CDN * Improved compatibility with sitemap plugins * Added support for Memcached for Nginx * Added support for caching webm files * Added Brotli HTTP compression support * Added StackPath full site delivery support * Added _wc_session_ to the list of ignored query stems for improved WooCommerce compatibility = 0.9.7 = * Fixed minified files not being hosted by CDN when enabled if "host minified files" is disabled * Fixed warning thrown when purge all was selected (via nigrosimone) * Fixed undefined offset error in fragment cache * Fixed MaxCDN test button failure when debug mode is enabled * Fixed purging of feeds when cache feeds option is enabled * Improved handling of errors when full site delivery isn't set * Improved nginx.conf to support xml caching * Improved nginx.conf to support HSTS for static files * Improved minify's handling of query strings * Improved database caching, frequent wp_options no longer flush posts or comments data * Improved Limelight Networks CDN integration * Improved FAQ, they're now hosted in the GitHub public repository * Improved handling for /*<![CDATA[*/ in HTML minify engine * Improved garbage collection for basic disk caching * Improved HSTS support (via Dave Welsh) * Improved reliability of CSS embed options * Improved New Relic requirements in compatibility test * Added StackPath CDN integration (including full site delivery) * Added support for page cache priming via WP-CLI via prime function * Added filter support for managing cache groups * Added API for flushing individual cache groups via flush_group function * Added purge support for JSON cache e.g. cached REST API requests * Added filter support for managing database cache settings * Added filter support before (w3tc_process_content) and after (w3tc_processed_content) a cache object is created * Added compatibility for AMPforWP plugin * Added JSON caching support for Pro subscribers * Added additional security headers (via amiga-500) = 0.9.6 = * Fixed anonymous usage tracking, default to disabled * Fixed incorrect minify cache data written if target directory missing * Fixed empty minify cache file written when file locking enabled * Fixed missing commas in CSS (via nigrosimone) * Fixed typo in object cache engine (via Furniel) * Fixed incorrect reuse of redis connections when persistent connections option enabled * Fixed reliability of Google Drive (via jikamens) * Fixed handling of UTF-8 encoded files by writing them in binary (via jikamens) * Improved Full Site Delivery configuration user flow on the General and CDN settings screens * Improved content type matching and cache hits as a result * Improved minify file locking logic * Improved visual language of the compatibility test (via Furniel) * Improved configuration file management * Improved MaxCDN set up wizard * Improved page cache's accepted query string handling to handle optional values and add support for disk enhanced mode (via amiga-500, nigrosimone) * Improved handling of timeouts to origin push CDN providers * Added HTTP/2 push headers for disk enhanced page caching (via nigrosimone) * Added X-Forwarded-Proto header for use cases like HTTPS recognition behind proxies or load balancers * Added multiple CDN support i.e. static file objects and pages, posts, feeds, API responses etc to use different respective CDN providers * Added page caching by cookie name or value (sponsored by SQweb) * Added toggle for CORS header to improve inter-operatbility with various CDN providers * Added support for CDN hosted media to media library (inspired by amiga-500) * Added object caching of AJAX calls (via andyexeter) * Enterprise features are now available to Pro subscribers! Including reading from multiple databases concurrently and purging caches across multiple hosts via a Message Bus = 0.9.5.4 = * Fixed regression with browser caching and query strings = 0.9.5.3 = * Fixed handling of HTTP compressed documents in PHP v5.3 (via amiga-500) * Fixed a bug with accelerated mobile pages (via nigrosimone) * Improved reliability of minify in manual mode * Improved JavaScript interoperability with CDATA use cases * Improved file name generation on Windows for IIS servers * Improved handling of # in URLs * Improved handling of exclusions for e-commerce in Genesis Framework * Improved handling of headers for Microsoft Azure * Improved functionality with existing CloudFront Distributions when configuring Full Site Delivery * Improved minify debug logging * Improved handling of URLs that omit the protocol * Improved handling of custom files with CDN (via amiga-500) * Updated CSSTidy library (via nigrosimone and amiga-500) * Added Swarmify Video Optimization Extension [Hat tip the Swarmify Team] * Added flushing of AMP pages = 0.9.5.2 = * Fixed security issue by protecting configuration data by adding .php to relevant files * Fixed security issue with the creation of dot folders that could be abused * Fixed handling HTTP compression for uncached pages * Fixed handling of .svgz files * Added expiration headers to WebP images * Added support for Microsoft Azure’s latest API * Added ability to cache WP Admin. Recommended setting, is off. (Improved WP Admin performance with object caching enabled) * Added HTTP/2 Push support for minified files * Added option management support for wp-cli * Improved handling of uncompressed minified files * Improved handling of purging of modified pages / posts * Improved compatibility with Rackspace Cloud Files * Improved initial CDN configuration reliability * Improved reliability of object caching * Improved PHP 7.0 compatibility * Improved PHP 4.3 compatibility * Improved HTTP/2 support * Improved CSS embed handling * Improved reliability of object cache, transients now fallback to database * Improved handling of cached http compressed objects = 0.9.5.1 = * Fixed missing namespace, which caused issues with other implementations of Google APIs * Fixed handling Cloudflare zone list being incomplete for users with many zones * Added extension to support Accelerated Mobile Pages (AMP) * Added notification for users that are still using PHP 5.2 (end of life in 2011) * Improved default settings * Improved compatibility with Yoast SEO sitemap caching * Improved compatibility with Jetpack * Improved directory handling on IIS * Improved backwards compatibility for 3rd party implementations against legacy W3TC functions = 0.9.5 = * Fixed XSS vulnerability * Fixed issues with dismissing overlays * Fixed handling of tilde in URLs * Fixed issue with HTTP compression header when using mfunc calls * Fixed cache ID issue with minify in network mode * Fixed rare issue of caching empty document when some PHP errors occur in themes or plugins * Fixed caching of query strings * Added support for APCu Opcode Cache * Added support for Redis * Added support for Google Drive * Added support for Amazon S3-compatible storage services * Added support for PECL memcached * Added support for srcset elements * Added support for Rackspace CDN Origin Pull * Added support for minification of external fonts * Added support for WOFF2 font format * Added support for FTPS (FTP-SSL, S-FTP) * Added YUI Compressor's PHP Port of the CSS minifier * Added Narcissus' JS minifier * Added purge of parent page when attachments are added or updated * Added Highwinds CDN provider * Added "Validate Timestamps" option for compatible opcode caches functions like apc.stat are enabled * Added Full Site Delivery for Pro subscribers * Added HTTP Strict Transport Security (HSTS) support * Added a sample extension for developers to reference * Added Rackspace Cloud Files Multi-Region Support * Added more support for exclusions to database cache * Added more optionality to minifiers * Added WPML Performance Extension * Added use of [namespace](http://php.net/manual/en/language.namespaces.rationale.php) which creates minimum dependency on version PHP 5.3 * Improved PHP 5.6 compatibility * Improved PHP 7 compatibility * Improved performance menu in admin bar, including purging of specific cache engines and more * Improved SSL interoperability * Improved reliability of test buttons * Improved nomenclature of caching files for higher cache hit rates * Improved nginx compatibility * Improved WP CLI support * Improved Cloudflare compatibility (now using latest APIs), Cloudflare must be re-authorized * Improved AWS API compatibility (now using latest APIs) * Improved Rackspace Cloud Files compatibility (now using latest APIs) * Improved page cache purge for extensions like cloudflare and other reverse proxy use cases * Improved extension framework functionality * Improved compatibility of headers like ETag and content encoding * Improved template fragment caching * Improved notifications, warnings and errors * Improved mobile user agents detection * Improved security with nonces and form elements * Improved security throughout the codebase * Improved detail of debug messages * Improved Amazon SNS security (validation) * Improved minify's ability to match script tags without type attribute = 0.9.4 = * Fixed undefined w3tc_button_link * Fixed support and other form submissions * Fixed extension enabled key error * Fixed Test CDN errors * Fixed trailing slashes in custom wp content path and Minify * Fixed WP_PLUGIN_DIR not being available when object-cache.php is loaded and W3TC constant not set * Fixed Minify Auto and restructuring of JS code placement on page * Fixed remove / replace drop in file on plugins page * Fixed false positive check for legacy code * Fixed deprecated wpdb escape * Fixed Fragment Caching and APC anomalies * Fixed cached configs causing 500 error on interrupted file writes * Fixed readfile errors on servers with the functionality disabled * Fixed false positives for license key verification * Fixed debug information not printed on cached pages * Fixed backwards compatibility and flushing and added doing it wrong notification * Fixed "Prevent caching of objects after settings change" * Fixed "Use late init" being shown as enabled with Disc:Enhanced * Fixed missing param in APC cache method declaration * Fixed user roles property not begin an array * Fixed adding empty Vary header * Fixed notice on failed upgrade licensing check * Fixed Database Cache description text * Fixed duplicate bb10 agents * Fixed settings link in Minify Auto notification * Fixed notice with undefined constant * Fixed nginx configuration and Referrer, User Groups setting * Fixed Genesis settings and Suhosin field name limit error * Fixed Genesis and Fragment Caching (caching categories etc) * Fixed CDN being enabled when creating NetDNA / MaxCDN pull zone * Fixed NewRelic related notice in compatibility popup * Fixed trailing slash issue in filename to url conversion * Fixed issue with wp in subdirectory and relative minimal manual urls * Fixed issue with widget styling * Fixed issue with Purge All button action * Fixed issue with exporting of settings * Fixed issue with plugin interfering with preview theme * Fixed issue with malformed config files * Added caching of list of posts pages (tags, categories etc) to Genesis extension a long with flush it checkbox * Added typecasting on expiration time in object cache drop-in * Added capability check for save options * Added FeedBurner extension * Added woff support to Browser Cache * Added new Cloudflare IPs * Added support for WordPress defined charset and collate in CDN queue table creation * Added WordPress SEO by Yoast extension * Added *.less to CDN theme uploads and MIME * Added default settings for MaxCDN Pull Zone creation * Added call to change MaxCDN canonical header setting to match plugin setting * Added one button default pull zone creation to MaxCDN without refresh * Added MaxCDN authorization validation * Added whitelist IPs notification for MaxCDN * Added support for use of existing zones without refresh * Added new mime types * Added support for separate domains for frontend and admin backend * Added Cloudflare as an extension * Added nofollow to blogroll links * Added DEV mode support to PRO version * Added EDGE MODE functionality * Improved wrapper functions in plugins.php for plugin / theme authors * Improved reliability of NetDNA / MaxCDN API calls by using WP HTTP and not cURL * Improved Fragment Caching debug information * Improved preview mode, removed query string requirement * Improved FAQ structure * Improved empty minify/pgcache cache notification when using CDN * Improved default settings for MaxCDN zone creation * Improved CDN queue performance * Improved blogmap url sanitation * Improved MaxCDN automatic zone creation process * Improved license key saving and Pro mode activation on Pro license purchases * Updated EDGE MODE: Full site mirroring support for MaxCDN * Updated translations