Patch Release 2.9.1

• Fix: Image Converter: Reset request when status is 404
• Fix: Image Converter: Better handling of separate format requests
• Fix: Image Converter: UI/JS changes

Feature Release 2.9.0

• Feature: Next-Gen AVIF image conversion (Pro)
• Feature: Added notices for some billing issues
• Fix: Bunny CDN purge section
• Fix: New Relic API
• Fix: Nginx + Memcached Unix socket compatability
• Update: Setup Guide Wizard and test improvements
• Update: WebP Converter renamed to Image Converter

Patch Release 2.8.15

• Fix: Elementor: Carousel lazy load
• Fix: Elementor: Cache clearing issues
• Fix: Strip all mfunc/mclude tags from REST, feeds, and comments
• Fix: Better validation for file directory cleanup
• Fix: Bunny CDN: Settings page purge URL section
• Fix: Minify: Auto JS: Handle async and defer attributes with values
• Fix: Google PageSpeed: Lighthouse changes
• Fix: Cloudflare: Undefined array warning
• Fix: Rackspace API: Response code handling
• Fix: License deactivation messages
• Update: ChartJS updated to v4.4.1
• Enhancement: Added support links

Patch Release 2.8.14

• Fix: Better logic for mfunc/mclude processing
• Enhancement: More consistent purge notices

Patch Release 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

Patch Release 2.8.12

• 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

Patch Release 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

Patch Release 2.8.10

• Fix: Exception handling on activation
• Fix: wp_resource_hint handling for arrays
• Enhancement: Added X-W3TC-CDN header

Patch Release 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

Patch Release 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