LiteSpeed Cache

7.2 – Jun 18 2025

• 🌱CDN New option: Cloudflare Clear on purge all. (PR#828)
• Core Used site_url instead of home_url to fix the content folder parsing and QUIC.cloud calls.
• 🐞Cloud Fixed a bug where we tried to sync QUIC.cloud usage while debug mode was ON, even when QC was not activated.
• Cloud Stored request timestamp in static files along w/ database to prevent duplicate requests when database is down.
• Cache Dropped Cache PHP Resources option.
• Cache Added verification to prevent admin pages from caching even if the site is set to be globally cacheable.
• Image Optimize Disable image pull cron if there have been no image notifications.
• Crawler Non-role simulator crawler will now use DNS resolve to hit original server instead of CDN nodes.
• Media Resolved an issue where deleting an image from grid mode neglected to also remove the optimized versions of the image. (PR#844, Zsombor Franczia #841)
• Media Allowed filter litespeed_next_gen_format to manipulate the value of next gen format. (Zsombor Franczia #853)
• 3rd Elementor: Clear all caches on regenerate CSS & Data. (PR#806)
• Config Purge All On Upgrade now defaults to OFF.
• GUI Showed Disable all features message on all WP-Admin pages for Admin-level users when enabled.
• Misc Used PHPCS w/ WordPress core and security coding standards to reformat cache menu code. (Viktor Szépe #696)
• Misc Replaced use of SHOW TABLES with DESCRIBE to prevent database halt in very large WP Multisite installations. (Boone Gorges PR#834, PR#850)
• Misc Replaced constants with WordPress functions to check whether AJAX or CRON is running.
• API Added action litespeed_save_conf to provide a trigger for configuration updates.

7.1 – Apr 24 2025

• 🌱Page Optimize Added allowlist support for CCSS.
• Cloud CCSS results are now generated asynchronously via QUIC.cloud queue services.
• Cloud Added TTL control to QUIC.cloud services to make next requests more flexible.
• Crawler Dropped non-WebP/AVIF crawler if Next Gen Images are being used.
• 🐞Config Fixed an .htaccess generation bug that occurred when reactivating after previous deactivation. (PR#825)
• GUI Improved the QC registration notice banner for online services thanks to user feedback.
• GUI QUIC.cloud management links will be opened in a single dedicated new window to prevent multiple sessions.
• Page Optimization Enhanced URL fetch validation to avoid exposing possible local info.
• Debug Added a Click to copy logs button under Log View tab.
• CLI Removed a vary warning log in CLI for QC activation process with a customized login cookie.
• CLI Removed a log failure in CLI in QC activation process when no existing admin message.
• Misc Check version only after upgrade to reduce the requests.
• Misc Switched to CyberPanel.sh to detect public IP for dash tool.

7.0.1 – Apr 8 2025

• Page Optimize Migrate legacy data to append trailing slash for better compatibility with v7.0-optimized UCSS/CCSS data.

7.0.0.1 – Mar 27 2025

• GUI Resolved a banner message display error in certain old version cases.
• GUI Fixed a continual error banner when site doesn’t use QC.
• Config Fixed a continual CDN sync_conf/purge check issue after upgraded to v7.0.
• 3rd Improved WPML multi lang sync_conf compatibility.

7.0 – Mar 25 2025

• 🌱Image Optimization Added AVIF format.
• Core Changed plugin classes auto load to preload all to prevent upgrade problems.
• Core Refactored configuration data initialization method to realtime update instead of delayed update in plugin upgrade phase.
• Core Used const.default.json instead of const.default.ini for better compatibility in case parse_ini_file() is disabled.
• Core Minimum required PHP version escalated to PHP v7.2.0.
• Core Minimum required WP version escalated to WP v5.3.
• Cloud Dropped Domain Key. Now using sodium encryption for authentication and validation.
• Cloud Added support for list_preferred in online service node detection.
• Cloud Fixed a domain expiry removal PHP warning. (cheekymate06)
• Cloud Auto dropped Cloud error message banner when successfully reconnected.
• Cloud Simplified the configure sync parameters to only compare and post the necessary settings.
• Config Simplified QUIC.cloud CDN Setup. CDN service is now automatically detected when activated in the QUIC.cloud Dashboard.
• Config Dropped the initial version check when comparing md5 to decide if whether to sync the configuration when upgrading the plugin.
• Config LITESPEED_DISABLE_ALL will now check the value to determine whether it’s been applied.
• Database Optimize Fixed Autoload summary for WP6.6+. (Mukesh Panchal/Viktor Szépe)
• CLI Added QUIC.cloud CDN CLI command: wp litespeed-online cdn_init --ssl-cert=xxx.pem --ssl-key=xxx -method=cname|ns|cfi.
• CLI Added QUIC.cloud CDN CLI command: wp litespeed-online link --email=xxx@example.com --api-key=xxxx.
• CLI Added QUIC.cloud CDN CLI command: wp litespeed-online cdn_status.
• CLI Added --force argument for QUIC.cloud CLI command wp litespeed-online ping.
• Image Optimization Dropped Auto Pull Cron setting. Added PHP const LITESPEED_IMG_OPTM_PULL_CRON support.
• Image Optimization Added Soft Reset Counter button to allow restarting image optimization without destroying previously optimized images.
• Image Optimization Added support for LITESPEED_IMG_OPTM_PULL_THREADS to adjust the threads to avoid PHP max connection limits.
• Image Optimization Added support for the latest firefox WebP Accept header change for serving WebP.
• Image Optimization Allowed PHP Constant LITESPEED_FORCE_WP_REMOTE_GET to force using wp_remote_get() to pull images.
• Image Optimization Dropped API filter litespeed_img_optm_options_per_image.
• Image Optimization Auto redirect nodes if the server environment is switched between Preview and Production.
• Purge Allowed LSWCP_EMPTYCACHE to be defined as false to disable the ability to Purge all sites.
• Purge Each purge action now has a hook.
• Purge Fixed PURGESINGLE and PURGE query string purge tag bug.
• Purge PURGE will purge the single URL only like PURGESINGLE.
• ESI Fixed a log logic failure when ESI buffer is empty.
• ESI Added Elementor nonces (jujube0ajluxl PR#736)
• ESI Fixed a no-cache issue in no-vary ESI requests that occurred when Login Cookie was set.
• ESI ESI will no longer send cookie update headers.
• Vary Vary name correction, which used to happen in the after_setup_theme hook, now happens later in the init hook.
• Crawler Enhanced hash generation function for cryptographic security.
• Crawler Added back Role Simulator w/ IP limited to 127.0.0.1 only. Use LITESPEED_CRAWLER_LOCAL_PORT to use 80 if original server does not support 443.
• Crawler Enhanced Role Simulator security by disallowing editor or above access in settings.
• Crawler Defaulted and limited crawler Run Duration maximum to 900 seconds and dropped the setting.
• Crawler Crawler will be stopped when load limit setting is 0.
• Crawler Dropped Delay setting. Added PHP const LITESPEED_CRAWLER_USLEEP support.
• Crawler Dropped Timeout setting. Added PHP const LITESPEED_CRAWLER_TIMEOUT support.
• Crawler Dropped Threads setting. Added PHP const LITESPEED_CRAWLER_THREADS support.
• Crawler Dropped Interval Between Runs setting. Added PHP const LITESPEED_CRAWLER_RUN_INTERVAL support.
• Crawler Dropped Sitemap Timeout setting. Added PHP const LITESPEED_CRAWLER_MAP_TIMEOUT support.
• Crawler Dropped Drop Domain from Sitemap setting. Added PHP const LITESPEED_CRAWLER_DROP_DOMAIN support.
• Crawler Fixed wrong path of .pid file under wp-admin folder in certain case. (igobybus)
• Crawler Show an empty map error and disabled crawler when the map is not set yet.
• Page Optimize Updated request link parser to follow the site permalink. (Mijnheer Eetpraat #766)
• Page Optimize Updated latest CSS/JS optimization library to fix issues for RGB minification and external imports when combining CSS.
• Page Optimize Exclude Google Analytics from JavaScript optimization. (James M. Joyce #269 PR#726)
• Page Optimize Fixed typo in LITESPEED_NO_OPTM constant definition. (Roy Orbitson PR#796)
• CDN Fixed CDN replacement for inline CSS url with round brackets case. (agodbu)
• GUI Added an Online Service tab under General menu.
• GUI Added a QUIC.cloud CDN tab.
• GUI Combined all Crawler settings to a single setting tab.
• GUI Switch buttons rtl compatibility. (Eliza/Mehrshad Darzi #603)
• GUI Fixed an issue where an irremovable banner couldn’t be echoed directly.
• GUI Limited page speed chart to cacheable servers only.
• Tag Fixed a potential warning in tags. (ikiterder)
• Tag Appended AJAX action to cache tags.
• Tag Dropped normal HTTP code. Only error codes (403/404/500) will be used for tags.
• Misc Fixed fatal activation error on Network installation when no other plugins are active. (PR#808 #9496550)
• Misc Improved README file by adding minimum supported PHP/WordPress versions. (Viktor Szépe)
• Misc Added reliance on just-in-time translation loading. (Pascal Birchler #738)
• Misc Will now check whether the filename is valid before saving a file to fix the possible Object Cache log issue. (Mahdi Akrami #761)
• Misc Fixed PHP 7.2 compatibility in cloud message. (Viktor Szépe #771)
• Misc Incompatibility warning banner for third party plugins is now dismissible.
• Misc Generated robots.txt file under litespeed folder to discourage search engine indexing of static resource files. (djwilko12)
• Debug Escalated debug initialization to as early as possible to allow more configuration information to be logged.
• 3rd Fixed warning in Buddy Press code integration. (Viktor Szépe/antipole PR#778)

6.5.4 – Dec 16 2024

• Page Optimize Fixed Google Fonts broken with the Async option. (HivePress #787)

6.5.3 – Dec 4 2024

• Misc Quote escaped in attributes when building HTML. (CVE-2024-51915)

6.5.2 – Oct 17 2024

• Crawler Removed barely used Role Simulator from Crawler, to prevent potential security issues.
• Misc Removed mt_srand function in random hash generation to slightly improve the hash result.

6.5.1 – Sep 25 2024

• Security This release includes two security updates to enhance the post validation of the editor (CVE-2024-47373), and to secure the GUI queue display from malicious vary input (CVE-2024-47374).
• Media Sanitized dimensions for the images when replacing with placeholders. (TaiYou)
• Page Optimize Sanitized vary value in queue list. (TaiYou)
• Cloud Silent API error when failing to retrieve news updates.

6.5.0.2 – Sep 6 2024

• Debug Compatibility improvement for WP installations w/o AUTH_KEY defined in wp-config.php.

6.5.0.1 – Sep 4 2024

• 🔥Debug Fixed a corner case fatal error when Object Cache is ON but failed to connect, and wp-content/litespeed directory is not writable, and debug option is ON.

6.5 – Sep 4 2024

*❗Security This release includes several debug log improvements for improved security, as listed below. Update strongly recommended.
* Debug Moved debug log to litespeed individual folder /wp-content/litespeed/debug/.
* Debug Disallowed visits to /litespeed/debug/ folder log files in .htaccess.
* Debug Dropped const LSCWP_DEBUG_PATH support.
* Debug Renamed debug.purge.log to purge.log.
* Debug Added dummy index.php for debug folder.
* Debug Used random string for log filenames.
* Debug Removed cookies-related info. (Thanks to Rafie)
* Debug Dropped Log Cookies option.
* Report Escaped report content to protect it from potential XSS attack. (Islam R alsaid #505746)
* ESI Added nonce for Advanced Custom Fields + Advanced Forms. (David Lapointe Gilbert #439)
* Purge Run ACTION_PURGE_EMPTYCACHE even if cache is disabled in network admin. (Philip #453)
* Page Optimize Disable UCSS exclusion when UCSS is inactived. (#640)
* 3rd Fixed undefined warning in WooCommerce Widgets. (Lolosan #719)
* 3rd Correct the integration with User Switching. (John Blackbourn #725)
* 3rd Fixed Admin Bar Missing issue on DIVI + Elementor frontend. (thyran/robertstaddon PR#727)

6.4.1 – Aug 19 2024

• ❗Security This release patches a security issue that may affect previous LSCWP versions since v1.9.
• 🐞Page Optimize Fixed HTML minification returning blank page issue. (#706)
• 🐞CDN Fixed a bug when Cloudflare status option is empty. (#684 #992174)
• Core Minimum required WP version escalated to WP v4.9.

6.4 – Aug 13 2024

• Cache Corrected QC and LSADC cache hit status.
• Cloud Allow partner info removal in QUIC.cloud notification.
• Crawler Separated CSS preparation validation from crawler validation.
• GUI Moved WordPress Image Quality Control setting from Image Optimization menu to Page Optimization menu.
• 3rd Add Elementor Edit button back in ESI. (PR#635)
• 3rd Fixed Instant click potential conflict w/ other plugins.

6.3.0.1 – Jul 29 2024

• 🔥🐞Rest Disabled WP default Editor cache for REST requests to fix editor errors. (Shivam)
• Cache Supported cache_nocacheable.txt predefined settings.

6.3 – Jul 22 2024

• 🌱Page Optimize HTML Keep Comments: When minifying HTML do not discard comments that match a specified pattern. (#328853)
• 🌱Cache Cache POST requests. Now can configure POST/GET AJAX requests to be cached. (#647300)
• Cache Bypass admin initialization when doing ajax call. (Tim)
• Cache Better control over the cache location #541 (Gal Baras/Tanvir Israq)
• Cloud Added nonce for callback validation to enhance security. (Chloe@Wordfence)
• Cloud Fixed an error message for daily quota.
• Cloud Display error message when communicating with QUIC.cloud causes a token error.
• ESI Bypass ESI at an earlier stage when getting DONOTCACHEPAGE.
• ESI Added ESI nonce for Events Calendar and jetMenu mobile hamburger menu. (#306983 #163710 PR#419)
• ESI Added WP Data Access nonce (PR#665)
• ESI Added WP User Frontend ESI nonce (PR#675)
• Media Ignored images from JS in image size detection (PR#660)
• GUI Moved Preset menu from network level to site level for multisite networks.
• GUI Suppressed sitemap generation message if not triggered manually.
• GUI Added CloudFlare purge to front end menu.
• GUI Allowed customized partner CDN login link on dash.
• Page Optimize Cleaned up litespeed_url table when clearing url files. (PR#664)
• Page Optimize Updated Instant Click library to version 5.2.0.
• Page Optimize Added Flatsome theme random string excludes. (PR#415)
• Page Optimize Exclude Cloudflare turnstile from JS optimizations. (Tobolo)
• Page Optimize Fixed Cloudflare Turnstile issues. (Contributolo PR#671/672)
• Object Improved debug log for object cache status. (PR#669)
• Object Added brief parseable header comments to the drop-in file. (OllieJones)
• Debug Trimmed debug log.
• Misc Improved compatibility and sped up resolving for JSON functions json_encode/json_decode. (hosni/szepeviktor #693)
• Misc Fixed typos in params and comments. (szepeviktor #688)
• Image Optimization Fixed an issue which suppressed new requests when there were no new images in the library but there were unprocessed images in the send queue.
• Image Optimization Improved Cloud side quota check by disallowing new requests if notified but not pulled.
• Image Optimization Keep image attributes when replacing dimensions. (PR#686 #381779)

6.2.0.1 – Apr 25 2024

• 🔥🐞Page Optimize Fixed the image display issue that occurs with Elementor’s data-settings attribute when the WebP image is not yet ready. (kanten/cbwwebmaster/reedock #132840 #680939 #326525)

6.2 – Apr 23 2024

• 🌱Crawler Added Crawler hit/miss filter. (#328853)
• 🌱CLI Image optimization now supports wp litespeed-image batch_switch orig/optm. (A2Hosting)
• 🌱VPI Auto preload VPI images. (Ankit)
• Object Added support for username/password authentication for Redis (PR#616 Donatas Abraitis/hostinger)
• Page Optimize Now supporting Elementors data-settings WebP replacement. (Thanks to Ryan D)
• Cache Send Cache-Control: no-cache, no-store, must-revalidate, max-age=0 when page is not cacheable. (asafm7/Ruikai)
• Cache Cache control will respect X-Http-Method-Override now. (George)
• Cache No cache for X-Http-Method-Override: HEAD. (George)
• Cache Specified LSCWP in adv-cache compatible file.
• Cache Fixed redirection loop if query string has tailing ampersand (#389629)
• Cache Dropped “Cache Favicon.ico” option as it is redundant with 404 cache. (Lauren)
• Cache Fixed deprecated PHP v8 warning in page redirection. (Issue#617 dcx15)
• Cloud REST callback used ACL for QC ips validation.
• Cloud Fixed a typo in parsing cloud msg which prevented error messages to show.
• Cloud Carried on PHP ver for better version detection purpose.
• Cloud Escaped token to show correctly in report.
• Cloud Fixed a QC cloud ip verification setup failure in PHP 5.3.
• 🐞Cloud Fixed a continual new version detection.
• 🐞Image Optimize Fixed a summary counter mismatch for finished images. (A2Hosting)
• CDN Auto CDN setup compatibility with WP versions less than 5.3.
• 🐞CDN Fixed wrong replacement of non image files in image replacement. (Lucas)
• GUI Further filtered admin banner messages to prevent from existing danger code in database.
• REST Fixed a potential PHP warning in REST check when param is empty. (metikar)

6.1 – Feb 1 2024

• 🌱Database New Clear Orphaned Post Meta optimizer function.
• Image Optimize Fixed possible PHP warning for WP requests library response.
• Image Optimize Unlocked noabort to all async tasks to avoid image optimization timeout. (Peter Wells)
• Image Optimize Fixed an issue where images weren’t being pulled with older versions of WordPress. (PR#608)
• Image Optimize Improved exception handling when node server cert expire.
• 🐞Image Optimize The failed to pull images due to 404 expiry will now be able to send the request again.
• Crawler CLI will now be able to force crawling even if a crawl was recently initiated within the plugin GUI.
• Page Optimize Fixed a dynamic property creation warning in PHP8. (PR#606)
• Page Optimize Fixed an issue where getimagesize could cause page optimization to fail. (PR#607)
• Tag Fixed an array to string conversion warning. (PR#604)
• Object Cache Return false to prevent PHP warning when Redis fails to set a value. (PR#612)
• Cache Tag Fixed an issue where $wp_query is null when getting cache tags. (PR#589)

6.0.0.1 – Dec 15 2023

• 🐞Image Optimize Grouped the taken notification to regional center servers to reduce the load after image pulled.

6.0 – Dec 12 2023

• 🌱Image Optimize Parallel pull. (⭐ Contributed by Peter Wells #581)
• 🌱Cache CLI Crawler.
• 🌱Cache New Vary Cookies option.
• 🌱Media New Preload Featured Image option. (Ankit)
• Core Codebase safety review. (Special thanks to Rafie Muhammad @ Patchstack)
• Purge Purge will not show QC message if no queue is cleared.
• Purge Fixed a potential warning when post type is not as expected. (victorzink)
• Conf Server IP field may now be emptied. (#111647)
• Conf CloudFlare CDN setting vulnerability patch. (Gulshan Kumar #541805)
• Crawler Suppressed sitemap generation msg when running by cron.
• Crawler PHP v8.2 Dynamic property creation warning fix. (oldrup #586)
• VPI VPI can now support non-alphabet filenames.
• VPI Fixed PHP8.2 deprecated warning. (Ryan D)
• ESI Fixed ESI nonce showing only HTML comment issue. (Giorgos K.)
• 🐞Page Optimize Fixed a fatal PHP error caused by the WHM plugin’s Mass Enable for services not in use. (Michael)
• 🐞Network Fix in-memory options for multisites. (Tynan #588)
• Network Correct Disable All Features link for Multisite.
• 🐞Image Optimize Removing original image will also remove optimized images.
• Image Optimize Increased time limit for pull process.
• Image Optimize Last pull time and cron tag now included in optimization summary.
• Image Optimize Fixed Elementors Slideshow unusual background images. (Ryan D)
• 🐞Database Optimize Fix an issue where cleaning post revisions would fail while cleaning postmeta. (Tynan #596)
• Crawler Added status updates to CLI. (Lars)
• 3rd WPML product category purge for WooCommerce. (Tynan #577)

5.7.0.1 – Oct 25 2023

• GUI Improvements to admin banner messaging. (#694622)
• CDN Improvements to CDN Setup. (#694622)
• Image Optimize Improvements to the process of checking image identification. (#694622)

5.7 – Oct 10 2023

• 🌱Page Optimize New option available: Preconnect. (xguiboy/Mukesh Patel)
• 🌱3rd New Vary for Mini Cart option for WooCommerce. (Ruikai)
• Cloud Force syncing the configuration to QUIC.cloud if CDN is reenabled.
• Cloud Force syncing the configuration to QUIC.cloud if domain key is readded.
• Cloud Limit multi-line fields when posting to QC.
• Cache Treat HEAD requests as cacheable as GET. (George Wang)
• 🐞ESI Patched a possible vulnerability issue. (István Márton@Wordfence #841011)
• 🐞ESI Overwrite SCRIPT_URI to prevent ESI sub request resulting in redirections. (Tobolo)
• 🐞Image Optimize Bypass unnecessary image processing when images were only partially optimized. (Ruikai)
• 🐞Guest Guest mode will not enable WebP directly anymore. (Michael Heymann)
• CDN Auto disable CDN if CDN URL is invalid. (Ruikai)
• CDN Fixed a null parameter warning for PHP v8.1 (#584)
• API Added litespeed_media_add_missing_sizes filter to allow bypassing Media’s “add missing sizes” option (for Guest Optimization and otherwise). (PR #564)
• Guest Fixed soft 404 and robots.txt report for guest.vary.php.
• Vary Enabled litespeed_vary_cookies for LSWS Enterprise.
• GUI Stopped WebP tip from wrongly displaying when Guest Mode is off.
• GUI Added QUIC.cloud promotion postbox on dashboard page.
• 3rd Added pagespeed ninja to blocklist due to its bad behavior.