Plugin / W3 Total Cache

Changelog

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 safter 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 enabeld
• 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
• Imporved garbage collection for basic disk caching
• Improved HSTS support (via Dave Welsh)
• Improved reliabilty 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 langage 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 proviers
• 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 compatability 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 stroage 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 which creates mininum 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 reliablity 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 moble 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 licencing 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 interferring 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