Patch Release 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 the distribution hostname
• Update: Add information about feature impact on PageSpeed
• Update: Reworked the Page Cache Preload settings UI

Patch Release 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

Feature Release 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

Patch Release 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

Feature Release 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

Feature Release 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 the 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 a link to the navigation bar
• Update: StackPath CDN prices (Service ending November 22, 2023, and will be replaced by Bunny CDN in a future update)

Patch Release 2.4.1

• Fix: Add a fallback for the older version of wp-content/db.php

Feature Release 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

Patch Release 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

Patch Release 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