WordPress.org

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