* Security: Hardened authorization, capability, and request-verification (nonce/CSRF) checks across admin and AJAX endpoints
* Security: Improved input validation and output escaping to prevent cross-site scripting (XSS)
* Security: Strengthened protections against code, command, and file-inclusion injection
* Security: Hardened processing of dynamic and cached content, including data serialization
* Security: Restricted outbound server-side requests to mitigate server-side request forgery (SSRF)
* Security: Restricted configuration changes to prevent unauthorized modification
* Security: Improved handling of stored credentials, cookies, and generated server-configuration files
* Security: Reduced potential information disclosure and improved security logging
* Fix: Patch broken access control for Image Service AJAX operations
* Fix: mfunc dynamic output buffering fatal error causing blank pages
* Fix: Patch mfunc security vulnerability
* Fix: Image Converter: Reset request when status is 404
* Fix: Image Converter: Better handling of separate format requests
* Fix: Image Converter: UI/JS changes
* Fix: Config caching/saving issue
* Fix: Better logic for mfunc/mclude processing
* Enhancement: More consistent purge notices
* 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
* Fix: Lazy load background-image style handling
* Fix: Elementor: Also flush Object Cache after Page Cache is flushed
* Fix: Canonicalize Cache read path to avoid variants
* 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
* Fix: Exception handling on activation
* Fix: wp_resource_hint handling for arrays
* Enhancement: Added X-W3TC-CDN header