FlyingPress

• Improvement: Faster and more reliable weekly license validation
• Fix: WebP and AVIF images were breaking when toggling Separate Mobile Cache in certain cases

• Improvement: Simplify Redis object cache drop-in
• Improvement: Log redis connection error
• Fix: Set default serializer when igbinary is not loaded with phpredis

• Improvement: Redis Object Cache now clears old Redis cache data during cache flushes to reduce memory usage

• Improvement: Improved Redis Object Cache reliability, compatibility, and performance

• Fix: Critical error affecting some sites after enabling object caching

• New: Object Caching with Redis for persistent object caching
• Improvement: Automatically disable the CDN when using FlyingHost
• Improvement: Improved how plugin translations are loaded
• Improvement: Added Simplified Chinese translation

• New: FlyingPress' own lightweight queue to handle background jobs for improved performance, replacing Action Scheduler
• Improvement: Enhanced Cloudflare integration with automatic zone detection, API token support, and more reliable rule management
• Improvement: Added country and page filters to the Vitals tab for more detailed Core Web Vitals analysis
• Improvement: Display an error on the CDN > Cloudflare page when there is an issue with the Cloudflare configuration
• Improvement: Expanded cache purging integrations for supported hosting providers
• Fix: Issue of a critical error while automatically purging URLs

• Improvement: Metadata sent to the Cloud API

• Improvement: Only recreate Cloudflare rules when changes are detected during plugin updates
• Improvement: Include WooCommerce auto-purged URLs in the flying_press_auto_purge_urls filter
• Improvement: Metadata sent to the Cloud API

• Improvement: Updated internal licensing SDK

• Improvement: Omit sensitive keys when sending data to cloud APIs

• Improvement: Better language support especially for Italian and Turkish languages
• Fix: An error while setting the heartbeat frequency in PHP versions below 8.1

• New: Added language support for German, Spanish, French, Italian, Portuguese (Brazil), Polish, Korean, Turkish, Dutch, Czech, Arabic, Japanese, and Chinese (Traditional)
• Fix: Changed the heartbeat filter to control the heartbeat frequency

• Improvement: Upgrade desktop and mobile user agents for preloading
• Improvement: Include site language for Cloud Optimizer

• Improvement: Prevent already optimized images from being added to the optimization queue
• Improvement: Skip excluded URLs when adding to the preload queue
• Improvement: New fallback (htaccess/nginx) rules to serve original images when the browser does not support WebP/AVIF
• Improvement: Core Web Vitals Tracking is now enabled by default for new installations

• Improvement: Show image optimization stats for individual images in the Media Library
• Fix: Cloudflare page caching was getting disabled in certain cases
• Fix: "Delete Original Images" was not deleting an original image of scaled images
• Fix: Cloudflare page cache was not getting cleared with auto-purge in certain cases
• Fix: A warning of Passing null to parameter from Image Optimizer
• Fix: A warning of Undefined array key "file" from Page Optimizer

• Improvement: Exclude specific images by name or keyword from being optimized
• Improvement: Lowered the auto-purge priority for ACF and WooCommerce integrations
• Improvement: Prevented purging and preloading all pages when an image is auto-optimized
• Improvement: Prevented the Image Optimizer stats API from being cached by switching it to the POST method
• Fix: Undefined array key 'filesize' in the Image Optimizer status API response
• Fix: Prevented folder URLs from being sent to the Image Optimizer
• Fix: Responsive plugin UI for better user experience

• Improvement: Image Optimization - Added a Stop Optimization button to stop ongoing image optimization

• New: Image Optimization — compress JPEG/JPG & PNG images and convert them to WEBP or AVIF to reduce image size and speed up your site

• Improvement: Lower the priority of FlyingPress actions to ensure WooCommerce actions are processed first
• Improvement: Increase Action Scheduler batch size to 100 to speed up cache preloading
• Fix: Cloudflare integration failing with API errors in certain cases

• Improvement: Cloudflare integration just got better with more reliable cache handling
• Improvement: Add Super Page Cache to the incompatible plugins list
• Improvement: Prevent cache folders from being created with uppercase letters
• Fix: Incorrect rules got removed in the Cloudflare integration when FlyingPress was deactivated
• Fix: Ignore query parameters were getting added to the preload queue in certain cases
• Fix: Upgrade tasks were skipped in certain cases when FlyingPress was updated
• Fix: Error while upgrading the official Cloudflare plugin to 4.14.0 or higher

• Improvement: Cloud-based optimization got better with more speed and accuracy
• Improvement: Concurrency in Action Scheduler is no longer forced to 1 and now respects the global concurrency
• Fix: In the Cloudflare integration bypass cookies were not properly synced to Cloudflare when modified

• Improvement: Properly rewrite .htaccess file with locking mechanism and only when necessary

• Improvement: Significantly reduced high CPU usage while preloading cache
• Fix: Properly cleanup .htaccess and advanced-cache.php contents after deactivation, when Cloudflare integration was enabled
• Fix: An issue where delay third-party/selected scripts was not working correctly when using "Delay all JavaScript" with the "Load after interaction" mode
• Fix: A warning of undefined key cache_mobile in Cloudflare integration
• Fix: Exclude Cloudflare credentials from exported configuration

New: Real-User Core Web Vitals Tracking — measure real performance, fix what's slowing visitors!

• Improvement: Action Scheduler as the new background processing library for broader compatibility
• Improvement: Cache static assets separately in Cloudflare integration
• Improvement: Used CSS generation is faster than before
• Improvement: Upgrade some dependencies for enhanced performance
• Improvement: Default delay between each preload is 0.5s
• Improvement: Default timeout for loading scripts is now 10s
• Removed: Disable WP Cron is permanently removed from the bloat settings
• Fix: Critical images were incorrectly detected in certain cases

• Fix: An error while configuring Cloudflare integration on PHP versions below 8.1

• New: Cloudflare Integration for full page caching and faster global TTFB
• Improvement: Prevent writing the constant to wp-config.php file when DISABLE_WP_CRON is manually added
• Fix: Cache preloading was not started in certain cases

• Improvement: Atomic write to wp-config.php file for broader compatibility
• Fix: Import configurations were not working in certain cases

• Improvement: Lifecycle events from delayed scripts now fire reliably after loading ensuring no duplicate trigger

• Improvement: Add typekit.net to default self-host domain list
• Improvement: Set fallback type to woff2 while preload fonts if font type is not available
• Fix: A JS error while lazy loading iframes and videos

• Improvement: Add gad_campaignid to default cache ignore queries
• Fix: Cache was not getting preloaded in certain cases post v5.0.3
• Fix: Preload links on hover was incorrectly preloading urls with query parameters

• Improvement: Delay selected scripts until user interaction for better control and compatibility
• Improvement: A new Defer loading option to Delay all JavaScript for enhanced reliability
• Improvement: Significant reduction in the CPU usage while preloading cache, boosting overall performance
• Improvement: Remove lazy-render properties as elements enter the viewport, ensuring clean styling
• Improvement: Delay third-party scripts independently of the Delay all JavaScript setting, whereas Load after interaction still covers all scripts
• Improvement: Use cURL instead of non-blocking wp_remote_post to eliminate preload queue startup delay
• Fix: Delay js method in v4 was still being used in v5 post migration
• Fix: Prevent concurrent writes from corrupting the wp-config.php file on certain hosts
• Fix: Preserve existing constants in the wp-config.php file when applying bloat settings
• Fix: A PHP deprecation warning while viewing the preload tasks table
• Fix: Lazy render properties were appended to the style attribute, resulting in invalid CSS

• Fix: Empty URLs being inserted to the queue in certain cases
• Fix: Separate cache for mobile devices was not generated post v5.0.1

• Improvement: Use native WP HTTP request library to handle multiple requests seamlessly even if cURL multi is unavailable
• Improvement: Only consider allowed cookies while adding a url to the preload queue
• Fix: Ensure custom cache ignore cookies are correctly added to the advanced-cache.php
• Fix: Error while triggering non-existent WP CLI commands
• Fix: A warning of undefined HTTP_COOKIE in non HTTP contexts

• New: Automatic and more accurate page optimizations by our new intelligent, fast and highly efficient CloudOptimizer
• New: Robust DB based and CPU friendly cache preloading algorithm
• New: Powerful in-house background processing mechanism to efficiently manage cache preloading without overloading the CPU
• New: Separate cache and optimizations for mobile devices
• New: Automatic cache preloading for mobile devices
• New: Count pages currently in queue besides total cached pages count
• New: Fully revamped UI for better user experience
• New: Dedicated Optimizations tab for CSS, Javascript, Images, Fonts, Iframes and Videos
• New: Automatically generate more accurate used css
• New: Automatically detect and lazyload offscreen background images
• New: Automatically detect ideal offscreen elements and lazily render them(CSS based lazy render)
• New: Automatically preload critical images( including background images, video posters ) with high priority
• New: Automatically preload critical fonts for faster page loads
• New: Automatically exclude critical videos from lazy loading
• New: Automatically exclude critical iframes from lazy loading
• New: Lazy load videos
• New: Automatically detect third-party scripts to delay their execution
• New: Option to load delayed scripts when browser is free(load on idle)
• New: Dedicated cloud service to find accurate youtube thumbnails in order to generate lightweight previews
• New: Filter hook to generate separate cache by cookie names
• New: Filter hook to add cache ignore query parameters
• Improvement: Renamed optimizations with more meaningful titles and descriptions in the UI
• Improvement: Compatibility with CURCY WooCommerce multi-currency plugin
• Improvement: Robust gzip compression strategy for cached files resulting in three times lesser CPU usage
• Improvement: Delay JS is incredibly stable now without needing any exclusions
• Improvement: Preload links now use native Speculation Rules API, disabling WordPreess's inbuilt Speculation Rules
• Improvement: Logged-in user cache is now generated without any page optimizations
• Improvement: Option to purge pages from the admin bar and moved to the settings page
• Improvement: Automatically resume cache preloading process if got stuck due to some reason
• Improvement: Heartbeat frequency will be set to 60s if enabled in bloat settings
• Improvement: Post revisions are limited to 3 if enabled in bloat settings
• Improvement: Efficient cache page counting algorithm
• Improvement: A more reliable way to add/remove constants in the wp-config.php file
• Fix: An issue where WP CRON was not being disabled properly
• Fix: Self-hosting Google fonts was not working for fonts defined in inline styles
• Fix: Prevent preloading posts of private post types when comment count is updated
• Fix: Youtube iframes inside p tags were resulting in broken styles when preview is self-hosted due to invalid tags hierarchy

• Fix: User roles cookie was not getting removed for logged-out users in some cases, causing incorrect cached file generation.

• Fix: Force disable browser cache when serving cached pages.
• Fix: Incorrect apache fallback configuration for cached pages.

• Improvement: htaccess rules added before WP rules to avoid overriding custom rules.
• Improvement: Better object caching compatibility during cache preloading.
• Improvement: WooCommerce assets retained on the account page.
• Improvement: Improved archive page auto-purging.
• Fix: Pages now cached with KBoard plugin active.
• Fix: Translated URLs cached with TranslatePress.
• Fix: Fixed deferral of stylesheets without media attributes.

• Fix: A browser console warning regarding preloaded images not being promptly utilized for third-party CDNs post v4.16

• New: Filter hooks to exclude JS files from delay and defer (for third-party plugin developers)
• Improvement: A remarkable 80% reduction in CPU usage during cache preloading for sites with large number of pages
• Improvement: Enhanced compatibility with the SureCart plugin
• Improvement: Enable defer inline by default when defer JavaScript is enabled
• Improvement: Cache was not purged properly when ACF option pages are updated in certain cases
• Improvement: CORS compliant image preloading to ensure efficient resource reuse for better performance
• Improvement: Do not optimize images inside template tags for broader compatibility
• Fix: A PHP notice triggered by early textdomain loading in WP v6.7.1

• Improvement: Display alerts after importing configurations and activating license
• Improvement: Simplify smart link preloading for enhanced performance
• Fix: The admin bar was not displaying for logged-in users in certain cases when FlyingCDN is active

• Improvement: Prevent pages from downloading as gzip on OpenLiteSpeed servers
• Improvement: Refactor WPML integration to improve performance
• Improvement: Preload pages with appropriate user agent for greater compatibility
• Fix: Remove unwanted encoded string from cache_bust query parameter that caused invalid URLs

• Improvement: Use mime module as a fallback to prevent pages from downloading as gzip
• Fix: A warning about an undefined array key HTTP_HOST while purging FlyingCDN cache in the CLI context
• Fix: Element attribute values were incorrectly captured by the HTML parser in certain cases

• Improvement: Further enhancements to reduce the negative impact of third-party scripts on overall performance

• Improvement: Removed htaccess rule to conditionally check for legacy cached files
• Improvement: Ensure responsive attributes are added only if srcset is correctly generated for an image
• Improvement: Leverage WordPress native way to add query parameters to a URL for enhanced compatibility
• Fix: Third-party scripts negatively impacted the pagespeed scores in certain scenarios

• Fix: Incorrect rewriting of internal SVG reference URLs caused broken styles in CSS minify
• Fix: An error while generating srcset for responsive images in certain cases

• Improvement: Add 'srsltid' to default ignore query parameters

• Improvement: Disable smart link preloading for logged-in users to reduce server load
• Fix: An error while generating image srcset in certain scenarios

• Improvement: Hosting independent detection of WP.Cloud platform for broader compatibility
• Improvement: Remove unnecessary resource hints after self-hosting third-party CSS and JS
• Fix: External JS requests were not downloaded properly post v4.15.0 release

• New: Smart preload links, preloading links in a predictive manner for blazing fast page navigations
• New: Compatibility for hosting providers powered by WP.Cloud
• New: Host third-party CSS and JS locally for specified CDN domains
• Improvement: Option to enable or disable lazy render
• Improvement: Prevent direct access to FlyingPress cached files
• Improvement: Fallback rules to serve legacy cached files are removed
• Improvement: Add gbraid to default ignore query parameters
• Improvement: Add missing image width and height and responsive images features are enabled by default
• Improvement: Upgrade some dependencies for enhanced performance
• Fix: Logged in users were getting logged-out version of a page with FlyingCDN active

• Improvement: New logo and color scheme to match our updated branding

• Improvement: Disable conflicting optimizations in Perfmatters only if they are enabled in FlyingPress
• Improvement: Concise, clearer optimization descriptions in the UI
• Fix: An error of undefined constant GLOB_BRACE in non GNU systems

• Fix: Pages got downloaded as gzipped file in OpenLiteSpeed server post v4.14 release
• Fix: FlyingCDN was failing to cache pages due to missing headers in OpenLiteSpeed

• Fix: Double GZIP Compression of cached files resulted in gibberish output for some websites post v4.14
• Fix: YouTube placeholder images were not lazily loaded post v4.13.5

• New: GZIP pre-compression for cached files, resulting in approximately 80% reduction in cache file size and improved performance
• Improvement: Compatibility for Nginx Helper plugin
• Improvement: Do not cache Pretty Links
• Improvement: Superadmins can now access the FlyingPress dashboard in a multisite network
• Improvement: Do not minify JavaScript files that are empty or already minified
• Improvement: Purge FlyingCDN cache while deactivating FlyingPress
• Improvement: Purge FlyingCDN cache while purging a single page
• Improvement: Decode non-ASCII characters from an URL while generating and purging cache
• Fix: A warning of undefined property stdClass:$plugin in the SureCart plugin updater
• Fix: An error in the PolyLang integration caused by non-existent taxonomy terms
• Fix: An empty line before list of URLs in preload.txt sometimes caused the preload to hang

• Improvement: Add CDN headers right after caching the page for faster caching in FlyingCDN
• Improvement: Check for sufficient permissions before purging and preloading cache from the CLI context
• Improvement: Efficiently get elements by attribute in the HTML parser
• Improvement: Keep WP native lazy loading enabled for better compatibility
• Improvement: Do not optimize images inside noscript tags
• Improvement: Upgrade some dependencies for enhanced performance
• Fix: Error while using lazy render controls inside Divi builder plugin
• Fix: Generating separate cache for mobile getting disabled after upgrading
• Fix: Error while unpacking arrays with string keys in PHP <= 8.0

• Improvement: Cache compatibility for WeGlot URL translation
• Improvement: Leverage WordPress HTTP API to download third party resources for better compatibility

• Improvement: Better used CSS detection

• Improvement: Enhanced stability for the complete removal of unused CSS, ensuring a more reliable performance
• Improvement: Logic behind the Image Optimizer has been simplified for better efficiency
• Fix: Gravatar images inside srcset were not self-hosted correctly
• Fix: Website assets were still using old CDN URLs whereas new FlyingCDN was active

• Fix: Custom CDN URL not working after last update

• New: Unveiling the new FlyingCDN, powered by Cloudflare Enterprise. Visit FlyingCDN.com
• Improvement: Streamlined purging process for post taxonomies
• Improvement: Auto purge and preload WeGlot translated URLs
• Improvement: Added 'gad_source' to default ignore query list
• Improvement: Responsive images uses native auto sizes
• Fix: Missing trailing slash in the page URL resulted in invalid cache file names in certain cases

• New: FlyingPress is now compatible with WeGlot translation
• Fix: A notice regarding the redeclaration of controls with same name in Elementor
• Fix: Undefined array key HTTP_HOST in CLI context
• Fix: Post 4.11 release website styles got broken in certain cases

• New: WP CLI commands for preload cache, purge pages , purge everything and activate license , try wp flying-press
• Improvement: Efficient logic for checking if WP_CACHE constant is set
• Improvement: Adjusted FlyingPress controls after custom css toggle in Elementor
• Improvement: Higher loading priority for preloaded fonts
• Improvement: Upgraded assets minification library
• Fix: Adding display=swap to encoded Google font URLs resulted in invalid font
• Fix: A warning while fetching WooCommerce product categories

• Fix: Error rendering some blocks inside the Gutenberg block editor after v4.10
• Fix: Cache file name change via filter hook resulted in invalid cache file generation

• Improvement: Lazy Render toggle for Elementor legacy section elements
• Fix: Post v4.10 release , preload not starting after purging everything

• New: Filter hook to disable FlyingPress footprint
• Improvement: Enhanced SVG compatibility for the new Lazy Render
• Fix: A warning regarding cache include queries

• Removed: CSS Lazy Render based on content visibility
• New: JS Lazy Render, read more in docs
• New: CDN cache headers to support wide range of CDN/proxy cache providers
• Improvement: Enhanced and more memory efficient capturing of elements in the HTML parser
• Fix: A warning of invalid argument supplied to foreach

• Fix: Incorrect license notice even after reactivation
• Fix: Prevent auto purge on post type nav_menu_item
• Fix: Deprecation notice on PHP 8.2

• Fix: Licensing in multisite installations

• Improvement: Migrate to SureCart for license management

• Improvement: HTML elements finding is 2000% more faster
• Improvement: Google fonts are now downloaded separately for enhanced efficiency and compatibility

• Fix: Enhanced support for CSS @imports in CSS minify
• Fix: Prevent rewriting to self-hosted Google Fonts when not downloaded correctly
• Fix: Self-host YouTube thumbnails in JPG format instead of WebP
• Fix: Leftover ? issue while removing cache_bust query parameter

• New: Implemented a more efficient cache purging strategy
• Improvement: Enhanced compatibility with Perfmatters plugin
• Improvement: Compatibility with EWWW Image Optimizer plugin
• Improvement: Compatibility with ShortPixel Adaptive Images
• Improvement: Optimized cache page counting by considering folders only
• Improvement: Default include query parameters to always cache
• Fix: An error while updating product categories during stock updates

• Removed: 'Generate separate cache for mobile' from UI, available via filter (refer docs.flyingpress.com)
• New: Cache include parameters - Query parameters for which separate cache should be generated
• New: Advanced settings pages for fine-tuning
• New: Exclude specific user roles when cache for logged in users is enabled via filter
• New: Purge integrated Cloudflare cache in Cloudways
• Improvement: Compatibility with the Cloudways Breeze plugin
• Improvement: Replace all error control operators with appropriate checking
• Improvement: Purge WooCommerce product categories and tags while updating stock
• Improvement: Add WP Meteor to the incompatible plugin list
• Improvement: Prevent caching of FlyingPress Rest API endpoints
• Fix: A deprecation notice on PHP >= 8.2

• New: Enable/disable cache preloading after saving settings and other relevant events
• Improvement: Purge Cloudflare APO cache when a list of pages are purged
• Improvement: Add instant.page plugin to list of incompatible plugins
• Improvement: Use deregister instead of dequeue for Woo cart fragments
• Improvement: Bump minimum PHP version to 7.4
• Improvement: Minor UI improvements
• Fix: Rest APIs calls not working when slash is forced in the URL

• Improvement: Contact support directly from the plugin dashboard
• Improvement: Added FlyingPress footprint with cached timestamp
• Improvement: Purge parent categories on updating WooCommerce product
• Fix: cache_bust not removed in some cases

• Fix: Entire pages cache getting cleared on updating any post after the latest upgrade
• Fix: Error when WCML is active but multi-currency is not enabled

• Improvement: Purge cache before preloading in Scheduled preload
• Improvement: Better cache purging while updating templates in different page builders
• Improvement: Remove WooCommerce block styles when block editor CSS is disabled in Bloat settings
• Fix: Compatibility with YITH multi-currency switcher plugin
• Fix: Compatibility with WCML multi-currency switcher plugin
• Fix: Distorted srcset attribute after hosting gravatar images locally

• Fix: Incorrect image size when using responsive images with FlyingCDN

• Fix: Scroll triggering clicks on mobile when JS files are delayed
• Fix: Warning when images have non-numerical width or height
• Fix: Empty needle warning in PHP < 8
• Improvement: Auto purge on saving in ACF options page

• Fix: YouTube placeholder breaking in some cases
• Improvement: Better warnings in settings page

• Improvement: Delay all JS is now compatible with more scripts

• Fix: Compatibility with Aelia Currency Switcher plugin
• Fix: BuddyBoss theme compatibility to prevent 401 errors while saving settings

• New: Host Gravatar images locally
• Fix: Remove cache_bust string when encoded

• Improvement: Compatibility with SG Optimizer (SiteGround)
• Improvement: Prevent caching of password protected pages

• Fix: Incorrect preloading of images with srcset
• Improvement: Updated library for CSS and JS minify

• Fix: Inline background images not loading with lazy loading enabled

• Fix: Cached pages not serving for mobile in some cases

• Improvement: Preload post thumbnail image and exclude from lazy loading
• Improvement: Use WebP images for YouTube placeholder
• Improvement: Calculate height if only width is present, and vice versa
• Improvement: Prevent double purging in Cloduflare APO
• Improvement: Better detection of robots.txt and sitemap to exclude from caching
• Fix: Skip adding width and height if it's already present
• Fix: Encoding attribute values in HTML parsing

• Improvement: Add width and height of Gravatar images
• Improvement: Support for TranslatePress
• Improvement: Prevent altering images inside script tags
• Improvement: Prevent data URI images from being preloaded
• Improvement: Added version number in settings
• Improvement: Theme detection in usage tracking
• Improvement: CDN rewrite when URL is not full path
• Fix: Check full URL against keywords in exclude pages from caching
• Fix: Purge and preload cache when a scheduled post is published
• Fix: Warning on updating WooCommerce product via Rest API

• Improvement: Keep execution order of JavaScript when delayed
• Improvement: General support for all translation plugins
• Improvement: Integration for WPML and Polylang
• Improvement: Static files are now stored in root cache directory
• Improvement: Better detection of URLs to preload
• Fix: Auto purge and preload when permalink of a post is changed
• Fix: Warnings from Cloudways Varnish integration
• Fix: Preloading getting stuck in some cases

• New: Self-generate preload list, eliminating the need for a sitemap when preloading
• New: Significant reduction in CPU usage by 300% during cache preloading
• New: Delay preload by 0.5s between each page to avoid server overload
• New: Added a filter to adjust the 0.5s delay in preloading cache
• New: Added a filter to modify the JavaScript delay timeout
• Improvement: Update license status from reactivation
• Fix: Resolved PHP warning encountered during cache purging and preloading
• Fix: Hashing query strings to generate cache file names to avoid long file names
• Fix: License activation in multisite subfolder installations

• New: Export or import configuration
• New: Manually activate or change license key
• New: Usage tracking to improve the plugin
• Improvement: Automatically purge SpinupWP cache
• Improvement: Only cache pages with 200 status code
• Fix: Incorrect HTML attribute detection in some cases

• Improvement: Preload post cache when a comment is manually approved
• Fix: Remove Google Fonts option removing tags in the same line
• Fix: Incorrect preloading of responsive images

• New: Bloat remover!
• Improvement: License activation for multisites
• Improvement: Process @rules without nesting in remove unused css
• Fix: Automatic purging of WP Engine throwing errors
• Fix: Cache file name when there is array in query strings
• Fix: Filter for disable cache preloading
• Fix: Duplicate preload tags when multiple title tags are found
• Fix: Warnings on caching and preloading

• Improvement: Automatically purge RunCloud, WP Engine and GridPane cache
• Improvement: Check parent directory for wp-config.php if not found
• Fix: Get sitemap URL from SEOPress

• Fix: Serve mobile cache using PHP when web server is not available

• Fix: Unable to add products after v4.2.0

• New: Generate separate cache for mobile
• Improvement: Auto purging on saving ACF fields

• New: Automatically purge Kinsta and Rocket.net cache
• New: Filter to disable cache preloading
• New: Filter to modify optimized HTML
• Improvement: Add crossorigin to preload fonts
• Improvement: Remove ?cache_bust query string
• Fix: Prevent unwanted purge and preload on saving navigation menus

• Improvement: Auto purge WooCommerce product and related pages on batch update
• Improvement: Better HTML page detection

• Fix: Automatic updates not available in some sites
• Improvement: Generate separate cache for different roles when logged in
• Improvement: Give warning when WP_CACHE is defined in wp-config.php
• Improvement: Better HTML page detection

• Improvement: Remove existing WP_CACHE constant from wp-config.php
• Improvement: Add WP Optimize to incompatible plugins list

• Improvement: Use HTTP/2 for cache preloading
• Fix: Defer not applied to multline scripts
• Fix: Remove whitespace in scripts after delaying
• Fix: Bypass caching for Bricks Builder editing pages

• Fix: Verify wp-config.php file exists and write permission
• Fix: Prevent Optimize Google Fonts removing other link tags
• Fix: Skip processing non-standard inline scripts
• Fix: Add display-swap to font-face with single rule

• Fix: A typo in image preload tag
• Fix: Parsing of style attributes with quotes
• Fix: Exclude above fold images was applying even lazy loading is disabled

• Fix: Get correct Rest API URL in subfolder installation

• Read our blog post before updating: flyingpress.com/blog/introducing-v4

• New: Cloudflare APO compatibility - Automatically purge CF APO cache when purging FlyingPress

• New: Fetchpriority attribute for images, fonts and css files
• New: Decoding (syn/async) attribute for images
• Removed: Feature to disable jQuery migrate
• Removed: Option to use JavaScript lazy load (will use browser native by default)

• New: Disable jQuery migrate
• Removed: FlyingCDN integration (migrate to FlyingCDN Wallet - https://flyingpress.com/blog/flyingcdn-wallet/)
• Improvement: Purge necessary pages when updating WooCommerce product via API
• Fix: Broken 'Open a ticket' link
• Fix: Responsive images not available after mgirating to FlyingCDN Wallet

• New: Keyless activation - No need to enter license key!

• New: Responsive images using FlyingCDN
• Fix: Preload image from srcset if found

• New: Use placeholder images for YouTube videos
• New: Self-host YouTube placeholder images
• Removed: Settings for lazy loading videos (will be enabled by default)
• Fix: Ignore empty keywords in list
• Fix: Incorrect ABSPATH is some hosting providers

• New: Enable or disable scripts to load on user interaction
• New: Only "safe" optimizations are enabled by default
• Fix: x-flying-press-source header will display LiteSpeed or Apache
• Fix: Use get_id() instead of ID for WooCommerce compatibility
• Improvement: Remove async attribute when defer is enabled
• Improvement: Minor UI improvements

• New: Defer inline JavaScript
• Removed: Exclude jQuery from defer
• Removed: Fix render-blocking jQuery scripts
• Improvement: Better detection of CSS and JS files
• Fix: Purge and preload WooCommerce products when updated via Rest API
• Tweak: Added SG Optimizer to non-compatible plugins

• New: Enable beta versions
• Improvement: Register user interaction listeners only when needed

• New: Lazy Render! Skip rendering of elements until needed

• New: New HTML parsing engine!
• Improvement: 2x cache preload time
• Improvement: 5x-10x lower server resource usage
• Improvement: Notifications after saving settings now floats above all
• Tweak: Enable adding width and height attributes by default
• Tweak: Added common list of 3rd party scripts to load on user interaction
• Fix: Use WP_CONTENT_URL and WP_CONTENT_DIR constants instead of hard-coded values
• Fix: Prevent base64 images from preloading
• Fix: Preload only first feature image
• Fix: Lazy loading iFrames added using Thrive Architect
• Fix: Overwrite existing font-display to enable swap when fallback font enabled

• Tweak: Remove self-hosting internal CSS
• Fix: Add gzip when not enabled in server
• Fix: Prevent parsing of HTML twice

• New: Auto purge Varnish cache
• New: Added hooks after purging cache (for 3rd party integrations)
• Tweak: Default settings - switched lazy loading to Browser Native
• Tweak: Default settings - disabled exclude jQuery from defer
• Tweak: Default settings - enabled fix render-blocking jQuery Scripts
• Tweak: Generate Critical & Used CSS only when CSS Minify is enabled

• New: Support for Multisites

• New: Auto preload images excluded from lazy loading
• Tweak: Disable WordPress inbuilt lazy loading
• Fix: Incorrect icon in Cache settings

• New: Auto change hash of minified files when CDN is enabled/disabled
• New: Minify JS files having .min.js extension

• New: Force include CSS selectors in Critical & Used CSS
• New: Added UTF-8 encoding for cached pages
• Fix: Empty imagesrcset and imagesizes on preload tag
• Fix: Exclude images not respecting background images
• Tweak: UI improvements

• New: Database Cleaner
• Tweak: Minor UI improvements
• Fix: Detect dynamic classes from delayed JS files
• Fix: Continue serving page on parsing failure

• New: Add missing width & height attributes to images
• New: Separate options to purge CSS/JS/Fonts and Critical/Used CSS
• Tweak: Changed default image lazy loading method to JavaScript
• Tweak: Allow 'space' character in keyword input fields
• Tweak: Updated cookie list to bypass cache
• Tweak: Confirmation before purging Critical/Used CSS
• Tweak: Increased Critical/Used CSS generation API timeout
• Tweak: UI improvements

• New: Ignore custom query strings
• Fix: Only preload images from origin site
• Fix: Prevent preloading all features images in archives

• New: Preload critical images
• New: Cache Lifespan - Automatically purge and preload cache after a lifespan
• Tweak: Disable optimize for logged in users by default

• New: Purge current page
• New: View site without any optimization (?no_optimize)
• New: Support for Jilt cookies
• Fix: Undefined index warnings

• Preload fonts - Prioritize loading fonts that required immediately for the render
• Additional auto purge - purge pages when a post is published/updated
• Preload cache automatically after post is published/updated
• UI improvements

• Generate separate critical CSS and 'used' CSS
• Removed minifying and separating inline styles
• Automatically purge blog archive page
• New Facebook group link for FlyingPress community
• Removed roadmap

• Generate cache locally
• Speed up cache generation by around 10x
• Purge cached pages (HTML files) alone
• Support server side caching layers by disabling inbuilt cache
• Automatically exclude WooCommerce cart, checkout, account page from caching
• Exclude pages from caching
• Caching without having a sitemap
• Detect native sitemap
• Optimize for logged in users
• Lazy load videos
• Other bugs fixes and improvements

• Stable release!