Patch Release 2.2.7 (2022-10-31)

• Fix: Updated database cache connection class to avoid deprecated warnings in WordPress 6.1
• Fix: Redis: Fixed handling of retry interval and timeout options for usage statistics
• Enhancement: Redis: Added TLS/SSL certificate verification option
• Enhancement: Page cache: Added query string exemptions

Patch Release 2.2.6

• Fix: Error clearing all cache when using Cloudfront full CDN in Pro
• Fix: Revert WooCommerce Variation Image Gallery plugin CDN filter
• Fix: DB cache syntax error in PHP 5.6
• Fix: Added missing space to S3 CDN bucket label
• Fix: JS error for CloudFront CDN-related check on non-W3TC pages
• Fix: Page cache unpack warning for empty/malformed files
• Enhancement: Image Service pre_get_posts anonymous action now hooked (w3tc_modify_query_obj)
• Enhancement: Image Service ajax_query_attachments_args anonymous action now hooked (w3tc_filter_ajax_args)

Patch Release 2.2.4

• Fix: Extensions URL in settings
• Fix: Redis undefined array key warnings
• Fix: Redis connect issue based on phpredis version
• Fix: Sanitization of licensing messages
• Fix: DB cache error in Ajax
• Fix: Call to undefined function in DB cache query class
• Fix: PHP 8 compatibility: join
• Fix: WooCommerce Variation Image Gallery plugin CDN filter
• Enhancement: Add setting for AWS S3 public objects in ACL
• Enhancement: Check if post is empty before cache flush
• Enhancement: Add max lifetime setting for non-disk page cache
• Enhancement: Add notice when selecting CDN using CloudFront
• Update: CSS Tidy 1.7.3 => 2.0.1
• Update: Add sns-message-validator
• Security: Ensure cache writes in cache folders

Patch Release 2.2.3

= 2.2.3 =

• Fix: Redis Cache: Removed exception on warnings
• Fix: Compatibility check for WP_CACHE
• Fix: Flush all cache except Cloudflare button
• Fix: License terms update notice escaping
• Fix: Feature Showcase: Image Service activate button
• Security: Updated guzzlehttp/guzzle to 6.5.8

Patch Release 2.2.2

• Security: PHPCS and WPCS updates
• Security: Updated guzzlehttp/guzzle to 6.5.6
• Security: Updated guzzlehttp/psr7 to 1.8.5
• Fix: Cloudflare flush all cache
• Fix: Access log test
• Fix: Better handling for PHP 5.6
• Fix: Convert Redis warnings to exceptions
• Fix: WordPress 5.5 image lazy loading
• Fix: Infinite loop when using database cluster configuration
• Fix: Database cluster logic
• Fix: FTP credentials form
• Fix: Preview deploy button
• Fix: Image Service links in multisite network admin
• Fix: Enable Image Service settings changes in multisite blog/sub sites
• Enhancement: Updated Cloudflare settings to allow a global API key or token
• Enhancement: Added Cloudflare CDN public objects option to settings
• Enhancement: Added timeout settings for Redis
• Enhancement: Added TLS/SSL certificate verification option for Redis
• Enhancement: Added Image Service visibility option
• Enhancement: Updated Image Service limit notification
• Enhancement: Better handling of trailing slash URLs
• Update: Adjusted lightbox for accessibility
• Update: Removed deprecated opcache flush

Patch Release 2.2.1

• Fix: Cloudflare: Removed use of the retired ip_lkup V1 endpoint
• Fix: Prevent error in some environments using non-direct filesystems
• Fix: Added better checking for some filesystem actions
• Fix: AWS CloudFront: Reverted async change for cache invalidation to honor promises
• Enhancement: Added option to exclude minified JS files from being processed by Rocket Loader
• Enhancement: Improved handling of Image Service rate-limiting and error messages

Feature Release 2.2.0

• Feature: Image Service API extension: WebP conversion options

Patch Release 2.1.9

• Fix: Cloudflare Dashboard Widget: Updated to use GraphQL
• Fix: Cloudflare Dashboard Widget: Use WordPress timezone
• Fix: CDN: Execute purge only if hosting is enabled, to prevent unneeded delays
• Fix: Published/modified custom posts not clearing the archive cache(s)
• Fix: Native WordPress sitemap caching
• Fix: Extra MIME groups other than controlled by settings were added to rules
• Fix: Usage Statistics: Not functioning when object cache is set to Redis
• Fix: AMP Extension: Prevent popup admin bar for endpoints
• Fix: Setup Guide Wizard: CSS for long translations
• Fix: Opcache Settings: Validate timestamp indicator checkbox
• Update: Remove robots.txt cache toggle setting
• Enhancement: Improve 404 detection
• Enhancement: Improve compatibility check indicators
• Enhancement: AWS CloudFront: Faster cache invalidation using async

Patch Release 2.1.8

• Fix: Corrected handling of robots.txt (file and filter)

Patch Release 2.1.7

• Fix: Corrected relative paths used in the JS minify YUI Compressor
• Fix: Disallow crawling of cache directory
• Fix: Responsive display for the dashboard
• Enhancement: Added lazy load threshold setting
• Enhancement: Added feature policy security headers to settings