LiteSpeed Cache

更新日志

5.4 – Apr 19 2023

• Image Optimize Refactored DB storage for this feature.
• Image Optimize Reduced DB table size.
• Image Optimize Existing img_optm DB tables will have their data gradually transitioned to the new storage format with this update. Once an img_optm table is empty, it won’t be used anymore.
• Media Fixed PHP8 potential warning. (rafaelmcd)
• Page Optimize Enabled WebP support for Googlebot User Agent.

5.3.3 – Feb 22 2023

• Page Optimize Excluded Jetpack stats JS.
• DB Optimize Fixed DB Optm SQL for revision postmeta.
• Cache Fixed an undefined array key warning.
• Purge Prevented undefined array key warning when widgets are disabled.
• Object Fixed dynamic property deprecation warnings.
• Admin Safely redirect to homepage if referer is unknown.
• Activation Check that item slug exists first.
• Cache Prevented cache header to send globally if header part already closed.
• CSS Improved string handling for CSS minifier.
• Debug Fixed undefined array key warnings.
• Misc Fixed implicit conversion in random string generation function Str::rrand.

5.3.2 – Jan 10 2023

• Object Fixed object cache lib incr, decr functions (thanks bdrbros/DANIEL) #516
• Database Optimize Database optimizer now handles postmeta when cleaning revisions #515
• Cache Made nocache the default for 4xx/5xx response codes.
• Cache Default cache TTL settings removed for 403 response code, changed to 10 mins for 500 response code.
• GUI Added a description for the redetect nodes function.
• GUI Added a description for the refresh button sync function.

5.3.1 – Dec 12 2022

• CLI Presets feature is now usable from the CLI. (xLukii)
• CLI Added ‘import_remote’ for litespeed-option to enable importing options from URLs. (xLukii)
• Cache Added LiteSpeed headers to site health check for full page cache.
• **Crawler* Fixed unauthorized crawler toggle operation. (#CVE-2022-46800)
• UCSS Fixed a bug where items weren’t added back to the UCSS queue after purging.
• Page Optimize Fixed a bug where generated CSS would return 404 after upgrading via CLI.
• 3rd Fixed a bug where a WooCommerce session doesn’t exist when checking cart, notices (Jason Levy/Gilles)
• GUI Made LiteSpeed admin notice icon grayscale to avoid distraction. (martinsauter)
• GUI Fixed RTL style for notification icon.
• API Added a new hook litespeed_optm_uri_exc to exclude URI from page optimization.
• API Excluded .well-known path from page optimization.

5.3 – Oct 31 2022

• 🌱Presets New Presets feature and menu item.
• 🌱UCSS New option UCSS File Excludes and Inline to increase page score. (Ankit)
• UCSS When UCSS is purged, automatically append URL to UCSS generation queue. (Ankit)
• Page Optimize Removed a redundant defer attribute from Lazy Load image library usage. (#928019)
• Image Optimize Dropped Create WebP Versions setting. Will automatically enable when Image WebP Replacement is activated.
• Cloud Fixed a bug where internal updates were delayed for API keys.
• Cloud Improved auto alias feature by waiting for second request from alias domain validation before removing a pending alias.
• Purge Automatically Purge All when plugin auto update is done.
• Purge Fixed a potential PHP8 error that occurred when removing unused widgets. (acsnaterse)
• Cache Fixed an infinite 301 redirection caused by UTM-encoded link.
• CLI Added syntax examples for values that include line breaks (xLukii)
• CLI Purge requests will now be included with the original request to avoid potential CSS/JS 404 issues.
• ESI Check all user roles for cache vary and page optimization excludes.
• GUI Added a LiteSpeed icon to admin message banners to indicate the banners are from our plugin. (Michael D)
• Crawler Fixed a cache-miss issue that occurred when Guest Mode was ON and WebP Replacement was OFF.
• 3rd Remove WooCommerce private cache.
• 3rd Removed LiteSpeed metabox from ACF field group edit page. (keepmovingdk)

5.2.1 – Sep 7 2022

• 🐞Core Fixed a fatal error that occurred when uninstalling. (#894556 Hostinger)
• Dash Show partner info on the dashboard for partner-tier QC accounts.
• UCSS Auto-purge UCSS on post update. (Ankit)
• 🕸️Crawler Respect the LITESPEED_CRAWLER_DISABLE_BLOCKLIST constant for unexpected results too. (Abe)

5.2 – Aug 17 2022

• 🌱UCSS Added UCSS message queue to improve service quality and reliability
• 🐞VPI Fixed conflict w/ image lazyload; used HTML before image lazyload to avoid invalid data:base64 results.
• VPI Changed VPI Cron default setting to OFF.
• VPI Automatically resend requests when VPI result contains invalid data: image value.
• Conf Fixed an issue with URI Excludes, where paths using both ^ and $ were not correctly excluded (Eric/Abe)
• Conf Auto corrected WP_CONTENT_URL protocol if it was explicitly set to http://.
• Cloud No longer sync the configuration to QUIC.cloud if configuration is unchanged.
• Cloud Appended home_url value into synced configuration data for wp-content folder path correction.
• 🕸️Crawler Improved compatibility with server open_basedir PHP setting limit when detecting load before crawling. (Tom Robak/mmieszalski)

5.1 – Aug 1 2022

• 🌱Toolbox Debug log can now show Purge/Crawler logs as well. (Tynan)
• UCSS Prepared for future message queue.
• UCSS Moved UCSS class to its own file.
• 3rd Added 3rd-party support for WC PDF Product Vouchers. (Tynan)
• Core Fixed potential PHP warning when saving summary data. (Sarah Richardson)
• Purge Purge can now clear the summary correctly. (Kevin)
• VPI Added queue_k to API notification.

5.0.1 – Jul 27 2022

• 🐞Cloud Fixed a potential PHP error that could occur with the cloud service summary. (Bruno Cantuaria)
• 3rd Added Autoptimize back to compatibility list.

5.0.0.1 – Jul 26 2022

• 🔥🐞Cloud Fixed an issue with the cloud request timestamp update which causes a usage sync failure. (great thanks to Kevin)

5.0 – Jul 25 2022

• 🌱VPI Added Viewport Images feature to LiteSpeed Options metabox on Post Edit page.
• 🌱CDN Added Auto CDN Setup feature for simple QUIC.cloud CDN setup. (Kevin)
• 🌱Page Optimize Automatically cache remote CSS/JS files when fetching for optimization (Lauren)
• 🌱Cache Added LiteSpeed Options for page-level cache control on Post Edit page. (denisgomesfranco)
• 🌱Cloud Auto Alias feature.
• 🌱Debug Added Debug String Excludes option. (Hanna)
• 🌱UCSS Added Purge this page - UCSS option to Admin Bar dropdown menu. (Ankit)
• 🌱Guest Added litespeed_guest_off=1 URL query string parameter to bypass Guest Mode. (cbdfactum)
• 🐞Page Optimize Fixed an issue where CSS anchors could be wrongly converted to a full path when minifying. (Tynan)
• Page Optimize Bypass CCSS/UCSS generation when a self-crawled CSS resource returns a 404 code. (Abe)
• Object Allow LSCWP_OBJECT_CACHE predefined to turn off Object Cache. (knutsp)
• Data Fixed an issue where empty version tags in the database repeatedly toggled the upgrade banner and reset settings to default.
• Purge Fixed an issue where the site’s index page could be purged upon deletion of an unviewable post. (Kevin)
• Toolbox Added View site before optimization button under Debug tab. (Ryan D)
• Admin Switch to using the DONOTCACHEPAGE constant to indicated WP-Admin pages are not cacheable.
• Admin Moved no-cache header to very beginning to avoid caching unexpected exits.
• Cloud Added message queue service for VPI. (Abe)
• Cloud Bypassed 503 error nodes from node redetection process. (Abe)
• Cloud Fixed a failure to detect out_of_quota. (Lauren)
• Cloud Added ability to display dismissable banners generated by QUIC.cloud.
• 🕸️Crawler Added realtime load detection before crawl.
• 🕸️Crawler Adjusted crawler behavior for Divi pages to allow for Divi’s CCSS generation process. (miketemby)
• 🕸️API PHP constant LITESPEED_CRAWLER_DISABLE_BLOCKLIST and filter litespeed_crawler_disable_blocklist to disable blocklist. (Tobolo)
• CDN Automatically add a trailing slash to CDN URL and Original URLs if user didn’t provide one. (Lucas)
• Cache When a URL redirects to a URL with a query string, consider these as different for caching purposes. (Shivam)
• Media Added ability to disable lazyload from the LiteSpeed Options metabox on Post Edit page.
• Media Added new default values to WebP Attribute to Replace setting for WPBakery and Slider Revolution. (JibsouX)
• Image Optimize Dropped redundant Page Speed user agent when serving WebP images. (serpentdriver)
• GUI Fixed an issue where manually dismissable admin messages were instead being treated as one-time messages. (Tynan Beatty)
• GUI Fixed an issue where subsequent admin alerts would overwrite existing alerts in the queue. (Kevin/Tynan)
• GUI Updated time offset in log. (Ruikai #PR444 #PR445)
• GUI Added litespeed_media_ignore_remote_missing_sizes API description.
• CCSS Fixed an issue where CCSS was unexpectedly bypassed if CSS Combine was OFF and UCSS Inline was ON. (Ruikai)
• Debug Added resposne headers to debug log. (Kevin)

4.6 – Mar 29 2022

• Page Optimize Improved compatibility for JS Delay.
• 🐞Page Optimize Fixed an issue for network subsites that occurred when only CSS/JS Minify are enabled.
• Localization Added query string compatibility for Resource URLs.
• Vary Fixed a potential PHP warning when server variable REQUEST_METHOD is not detected.
• Cache Guest Mode now respects Cache Excludes settings.
• GUI Added warning notice when enabling Localize Resources feature; each localized JS resource requires thorough testing!
• GUI Fixed a PHP Deprecated warning that occurred with the Mobile Cache User Agent setting on PHP v8.1+. (jrmora)
• Conf Removed Google related scripts from default Localization Files value.
• Media WordPress core Lazy Load feature is now automatically disabled when LiteSpeed Lazy Load Images option is enabled. (VR51 #Issue440)
• 🐞API Filter litespeed_ucss_per_pagetype for UCSS now also applies to CSS Combine to avoid UCSS failure. (Ankit)
• API Added a filter litespeed_media_ignore_remote_missing_sizes to disable auto detection for remote images that are missing dimensions. (Lucas)

4.5.0.1 – Feb 24 2022

• 🔥🐞Media Fixed an issue where lazy-loaded images would disappear when using custom CSS image loading effects.

4.5 – Feb 23 2022

• 🌱Page Optimize Localization is back.
• Guest Fixed organic traffic issue as different browsers may fail to set document.referrer.
• Image Optimize Improved wp_postmeta table compatibility when gathering images. (Thanks to Thomas Stroemme)
• 🐞Page Optimize Fixed a potential CSS/JS 404 issue for existing records that have been marked as expired.
• ESI LITESPEED_ESI_OFF now affects litespeed_esi_url API filter too.
• Guest Added a check to determine if Guest Mode is blocked by a third-party, and display warning if it is (Ruikai)
• Guest To support WP sites with multiple domains, Guest Mode detection URL no longer uses domain.
• Report Network now shows Toolbox page when having a large number of subsites.
• DB Optimize Reduced default subsites count from 10 to 3 under Network Admin -> DB Optimize page to avoid timeout.
• Cloud Fixed potential lack_of_token error when requesting domain key for cases where local summary value was not historically included in the array.
• Cloud Fixed a PHP fatal error that occurred when encountering a frequency issue under CLI. (Dean Taylor #Issue410)
• Avatar Force gravatar cache refresh in browsers and on CDN (rafaucau #PR430)
• API New filter litespeed_purge_ucss to purge a single page UCSS. (#376681)
• API New filter litespeed_ucss_per_pagetype for UCSS per page type generation. (Ankit)
• GUI Replaced some GUI text and settings with more inclusive language (kebbet #PR437 #PR435)
• 3rd Excluded WP Statistics from inline JS optimize. (Ryan D)
• 3rd Added API filter litespeed_3rd_aelia_cookies for Aelia CurrencySwitcher.
• Media Updated image lazyload library to 17.5.0.

4.4.7 – Jan 11 2022

• Page Optimize Dropped Inline Lazy Load Images Library option. Now will always inline lazyload library. (Ankit)
• 3rd Prevented JavaScript files from being appended to Rank Math SEO sitemap.
• Purge Dropped default stale purge when purging a post.
• Cloud Dropped unused API calls.
• Cloud Dropped redundant IP validation in API calls.

4.4.6 – Dec 27 2022

• Guest Restored document.referrer for organic traffic purposes when Guest Mode is enabled. (michelefns)
• Image Optimize Fixed a potential PHP notice when uploading images in WP w/ PHP7.4+. (titsmaker)
• ESI Fixed an issue where ESI settings were not updated on customized widgets(#422 Abe)
• 3rd Reverted ESI Adminbar change on Elementor front pages for backward compatibility (#423 Abe)
• 3rd Fixed an issue where disabling ESI potential caused a PHP warning when using Perfmatters. (Jeffrey Zhang)
• Misc Check whether HTTP_REFERER is set or not before using it in Router class. (#425 Abe)

4.4.5 – Dec 1 2021

• Data Fixed potential PHP notice when generating CSS/JS optimized files w/ PHP v7.4+. (Sarah Richardson/silencedgd/slr1979)
• API Added LITESPEED_ESI_OFF constant to disable ESI, when defined before the WP init hook.
• API Added LSCWP_DEBUG_PATH constant to specify debug log path. (khanh-nt)
• 🐞GUI Fixed an issue where admin messages were not displayed. (Daniel McD)
• CDN Used WP remote function to communicate w/ Cloudflare per WP guidance.
• 3rd Added compatibility for Perfmatters plugin’s script manager (#417 Abe)
• 3rd Added compatibility for Elementor’s Editor button when ESI is on (#418 Abe)

4.4.4 – Nov 23 2021

• Page Optimize Delay deletion of outdated CSS/JS files for a default of 20 days to avoid 404 errors with cached search engine copies.
• Cache When caching, no longer send a purge request for CSS/JS removal to avoid cache engine conflicts.
• 🐞Core Optimized SQL queries while autoloading if expected options are missing; reduced by 7 and 3 queries on backend and frontend respectively. (#396425 Jackson)
• Page Optimize Fixed a 404 issue that occured when upgrading the plugin manually, with a package upload or through the plugin manager. (Tobolo/Małgorzata/Abe)
• API Added litespeed_ccss_url and litespeed_ucss_url API to manipulate the request URL for CCSS and UCSS.
• REST Fixed a potential warning when detecting cacheable status on REST call. (rafaucau)
• OLS Fixed an issue where the COOKIEHASH constant was undefined when used with OpenLiteSpeed as an MU plugin or with network activation.
• 3rd Sanitized POST data for nextgengallery.
• Cloud Sanitized GET data when linking to QUIC.cloud. (#591762 WPScan)

4.4.3 – Oct 13 2021

• 🐞Media Fixed an issue where WebP is served erroneously under Guest Mode on older versions of Safari. (hash73)
• 🐞Media Reverted regex change to fix Lazy Load Image Parent Class Name Excludes failure. (thpstock)
• Purge Disabled Purge Delay in the optimization process by default.
• Conf Dropped .htaccess Path Settings options for security concern. (WP)
• Conf Dropped CSS HTTP/2 Push/JS HTTP/2 Push options. (Kevin)
• Conf Set Guest Optimization default to OFF.
• Conf Set CCSS Per URL default to OFF to avoid consuming more quota than intended after upgrade to v4. (n111)
• Object Fixed an issue with Object Cache warnings during upgrade, when Guest Mode is enabled.
• ☁️Cloud Fixed an issue with PHP notices when inquiring about quota usage for a service not currently in use.
• GUI Added GO detail warning. (n111)
• GUI Moved “quota wil be still in use” warning from Guest Mode to Guest Optimization section.
• API Added LITESPEED_CFG_HTACCESS PHP Constant to specify .htaccess path.
• API Added litespeed_qs_forbidden hook to bypass ?LSCWP_CTRL= query string. (minhduc)
• API Added litespeed_delay_purge hook to delay the following Purge header until the next request.
• API Added litespeed_wpconfig_readonly hook to disable WP_CACHE constant update based on the wp-config.php file. (#633545)

4.4.2 – Sep 23 2021

• Purge In order to clear pages containing 404 CSS/JS, the purge header will always be sent even in cases where purge must be delayed.
• 🐞Purge Fixed a potential PHP warning caused when generating different optimized filenames.
• Cron Dropped unnecessary HTML response in cron which sometimes resulted in wp-cron report email. (Gilles)
• Page Optimize Purge caused by CSS/JS file deletion will now be silent.
• Page Optimize Fixed an issue where the homepage failed to purge when addressing the 404 CSS/JS issue.
• Avatar Fixed potential localized Avatar folder creation warning. (mattk0220/josebab)
• API Added filter litespeed_optm_html_after_head to move all optimized code(UCSS/CCSS/Combined CSS/Combined JS) to be right before the </head> tag. (ducpl/Kris Regmi)
• Debug Under debug mode, cache/purge tags will be plaintext.

4.4.1 – Sep 16 2021

• 🐞ESI Fixed ESI failure on non-cached pages caused by DONOTCACHEPAGE constant.
• 🐞Page Optimize Fixed an issue where the minified CSS/JS file failed to update when the file was changed. (ceap80)
• 🐞Page Optimize Fixed an issue where the combined CSS/JS file randomly returned a 404 error when visiting the same URL with different query strings. (Abe)
• API Added litespeed_const_DONOTCACHEPAGE hook to control the cache-or-not result of the DONOTCACHEPAGE constant.

4.4 – Sep 8 2021

• 🌱Crawler Added the ability to enable or disable specific crawlers. (⭐ Contributed by Astrid Wang #PR390)
• 🌱UCSS Added UCSS Inline option. (Ankit).
• 🌱UCSS Added UCSS URI Excludes option. (RC Verma).
• 🐞Page Optimize Fixed an issue where combined CSS/JS files would potentially return 404 errors after a Purge All. (Special thanks to Abe & Ruikai)
• Page Optimize Minimized the potential for 404 errors by query string when Purging All.
• Page Optimize Dropped redundant query strings for minified CSS/JS files.
• Conf Ugrade configuration safely to avoid the issue of new functions not being found in old codebase.
• Conf Configuration upgrade process now adds a notification to admin pages and disables configuration save until upgrade is complete. (Lisa)
• JS Fixed an issue where JS Defer caused a litespeed_var_1_ is not defined error when enabled w/ ESI options. (Tobolo)
• 🐞JS Fixed an issue where JS Delay doesn’t work for combined JS when JS Combine is enabled. (Special thanks to Joshua & Ankit)
• JS JS Delay now will continue loading JS, even if there is an error in the current JS loading process.
• 🐞CCSS If CCSS fails to generate, Load CSS Asynchronously will now be disabled. (Stars #54074166)
• 🐞UCSS If UCSS generation fails the generated error will no longer be served inside the file. (Ryan D)
• Log Updated the Debug log to use less code for prefix.
• 3rd Always respect DONOTCACHEPAGE constant defination to fix DIVI dynamic css calculation process.

4.3 – Aug 16 2021

• UCSS Separated UCSS Purge from CCSS Purge. (⭐ Contributed by Alice Tang #PR388)
• 🐞Cloud Fixed an issue where CCSS/UCSS quota data failed to update locally.
• Cloud Added server load as a factor when detecting node availability.
• Cloud Improved the speed of checking daily quota and showing the related error message.
• Cloud Added ability to re-detect node availability if the current node is responding w/ a heavy load code.
• Cloud CCSS/UCSS/LQIP queue now exits immediately when quota is depleted.
• Cloud Replaced separate d/regionnodes with a single d/nodes in the node list API for image optimization.
• LQIP Fixed an issue with LQIP network compatibility. (⭐ Contributed by Alice Tang #PR387)
• GUEST JS no longer preloads for Guest Optimization. (Ankit)
• 🐞Data Fixed an issue where deleting the cssjs data folder causes a failure in the upgrade process. (Joshua #PR391)
• GUI Fixed a potential dashboard PHP warning when no queue existed. (jrmora)
• GUI Added daily quota on dashboard.
• GUI Added downgrade warning to Toolbox -> Beta Test.
• GUI Tuned .litespeed-desc class to full width in CSS.
• Conf Preserve EXIF/XMP data now defaults to ON due to copyright concerns. (Tobolo)
• 🐞3rd Fixed a PHP warning when using Google AMP w/ /amp as structure. (thanhstran98)

4.2 – Jul 29 2021

• Cloud Auto redirect to a new node if the current node is not available anymore.
• Cloud Combined CCSS/UCSS to sub services of Page Optimization.
• Cloud Added a daily quota rate limit to help mitigate the heavy service load at the beginning of the month.
• Cloud Cached the node IP list in order to speed up security check. (Lucas)
• 🐞GUEST Fixed an issue where Guest Mode remained enabled even when the UA setting is empty. (Stars)
• GUEST Guest Mode will no longer cache POST requests.
• UCSS Purging CSS/JS now purges the UCSS queue as well, to avoid failure when generating UCSS.
• UCSS Separated service entry UCSS from CCSS.
• CCSS Simplified load_queue/save_queue/build_filepath_prefix functions. (⭐ Contributed by Alice Tang #PR373)
• CCSS If CCSS request fails, details are now saved in the CSS file.
• CCSS Renamed CCSS ID in inline HTML from litespeed-optm-css-rules to litespeed-ccss. (Alice)
• Page Optimize CCSS/UCSS now supports Cloud queue/notify for asynchronous generation.
• Page Optimize Simplified CCSS/UCSS generation function.
• Page Optimize Added the ability to cancel CCSS/UCSS Cloud requests.
• Page Optimize Unnecessary quesry strings will now be dropped from CSS/JS combined files.
• Crawler Reset position now resets crawler running status too.
• REST Cloud request to REST will now detect whether an IP in in the Cloud IP list for security reasons.
• Object Enhanced Object Cache compatibility for CONF_FILE constant detection.
• API Added shorter alias litespeed_tag and other similar aliases for Cache Tag API.
• API Renamed LITESPEED_BYPASS_OPTM to LITESPEED_NO_OPTM for Page Optimization.
• Toolbox Dropped v3.6.4- versions in Beta Test as they will cause a fatal error in downgrade.
• GUI Added shortcut links to each section on the Dashboard.
• GUI Added UCSS whitelist usage description. (wyb)
• GUI Showed the default recommended values for Guest Mode UA/IPs.
• 3rd Fixed AMP plugin compatibility. (⭐ Contributed by Alice Tang #PR368)
• 3rd Bypassed all page optimization including CDN/WebP for AMP pages.
• 3rd Improved compatibility with All in One SEO plugin sitemap. (arnaudbroes/flschaves #Issue372)
• 3rd Added wsform nonce. (#365 cstrouse)
• 3rd Added Easy Digital Download (EDD) & WP Menu Cart nonce. (#PR366 AkramiPro)
• 3rd Improved compatibility w/ Restrict Content Pro. (Abe #PR370)
• 3rd Improved compatibility w/ Gravity Forms. (Ruikai #371)

4.1 – Jun 25 2021

• 🌱UCSS/CCSS/LQIP Moved queue storage to file system from database wp-options table to lessen the IO load. (#633504)
• 🌱3rd Added an option to disable ESI for the WooCommerce Cart. (#358 Anna Feng/Astrid Wang)
• ESI Fixed an ESI nonce issue introduced in v4.0. (Andrew Choi)
• Object Used new .litespeed_conf.dat instead of .object-cache.ini for object cache configuration storage.
• Conf Now updating related files after plugin upgrade and not just after activation.
• 🌱Guest Added a Guest Mode JS Excludes option. (Ankit/Mamac/Rcverma)
• Guest Guest Mode now uses a lightweight script to update guest vary for reduced server load.
• Guest Guest Mode now adds missing image dimensions.
• Guest Guest vary will no longer update if there’s already a vary in place to address the infinite loop caused by CloudFlare’s incorrect cache control setting for PHP.
• Guest Guest vary update request will no longer be sent if lscache_vary is already set.
• Guest Added a Configurable Guest Mode UA/IP under the Tuning tab in the General menu.
• Guest Guest Mode now allows cron to be hooked, even when UCSS/CCSS options are off. (#338437 Stars)
• Guest Simplified the vary generation process under Guest Mode.
• Guest Added a Guest Mode HTML comment for easier debugging. (Ruikai)
• Guest Guest vary update ajax now bypasses potential POST cache.
• CCSS Added back the options Separate CCSS Cache Post Types and Separate CCSS Cache URIs. (Joshua/Ankit)
• CCSS CCSS/UCSS queue is now limited to a maximum of 500 entries.
• Control The cache control constant LSCACHE_NO_CACHE will now have a higher priority than the Forced Public Cache setting.
• Crawler The Crawler can now crawl Guest Mode pages.
• Crawler Fixed a potential XSS vulnerability in the Crawler settings. (#927355)
• Crawler The Crawler now supports a cookie value of _null. (Tobolo)
• Media Updated the default value for the Responsive Placeholder SVG to be transparent.
• Media WebP images in the background may now be served in Guest Mode.
• Media WebP images in CSS may now be bypassed if the requesting Guest Mode client doesn’t support WebP.
• Media Fixed empty default image placeholder under Guest Mode.
• 🐞Image Optimize Changed the missing $_POST to $post_data so the database status is properly updated. (#345 Lucas)
• Import Export file is now readable to allow importing of partial configurations. (Ryan D/Joshua)
• Page Optimize Fixed W3 validator errors in Guest Mode. (#61393817)
• 3rd A fatal WooCommerce error is no longer triggered by a custom theme reusing a previous LSCWP cache detection tag.
• 3rd AMP may now bypass Guest Mode automatically.
• Localize Dropped the Localize Resources option as Guest Mode is a sufficient replacement. (Note: Due to user feedback during the development period, we have decided to reinstate this option in a future version.)
• Cloud Changed the WP API url.
• Lang Corrected a missing language folder.
• GUI Added a CCSS/UCSS loading page visualization. (⭐ Contributed by Astrid Wang & Anna Feng #PR360)
• GUI Added a warning to indicate when Guest Mode CCSS/UCSS quota is in use. (Contributed by Astrid Wang & Anna Feng #PR361)
• GUI Added a litespeed-info text color. (Astrid Wang)
• GUI Implemented various UI/UX improvements. (Joshua/Lisa)
• GUI Duplicate cloud service messages with the same content will only display once now. (Marc Dahl)
• GUI Added a WebP replacement warning for Guest Mode Optimization if WebP replacement is off.
• Misc Dropped wp_assets from distribution to reduce the package size. (lowwebtech)
• Misc Increased the new version and score detection intervals.
• Misc Optimized WP Assets images. (#352 lowwebtech)
• Debug Dropped the redundant error_log debug info.

4.0 – Apr 30 2021

• 🌱🌱🌱Guest Introduced Guest Mode for instantly cacheable content on the first visit.
• 🌱UCSS Added a new service: Unique CSS, to drop unused CSS from elements from combined CSS
• 🌱CCSS Added HTML Lazyload option. (Ankit)
• 🌱CCSS Added CCSS Per URL option to allow Critical CSS to be generated for each page instead of for each Post Type.
• 🌱Media Added Add Missing Sizes setting for improving Cumulative Layout Shift. (Fahim)
• 🌱JS Switched to new JS minification library for better compression and compatibility w/ template literals. (LuminSol)
• Media WebP may now be replaced in CSS.
• Media Can now drop image tags in noscript to avoid lazyload. (Abe #314 /mattthomas-photography)
• Media Bypass optimization if a page is not cacheable.
• Image Optimize Auto hook to wp_update_attachment_metadata to automate image gathering process, and to handle the new thumbnail generation after images are uploaded. (smerriman).
• Image Optimize Repeated image thumbnails won’t be gathered anymore.
• Image Optimize Simplified the rescan/gather/upload_hook for existing image detection.
• Image Optimize Fixed the duplicated optimize size records in the postmeta table. (Abe #315)
• Image Optimize Allow either JSON POST request or normal form request in notify_img. (Lucas #313)
• Image Optimize Optimized SQL query for better efficiency. (lucas/Lauren)
• Image Optimize Fixed issue where rescan mass created duplicate images. (#954399)
• Image Optimize Image optimization pie will not show 100% anymore if there is still a small amount in the unfinished queue.
• Image Optimize WebP generation defaults to ON for Guest Mode.
• Image Optimize Priority Line package now can have smaller request interval.
• ESI Disable ESI when page is not cacheable. (titsmaker)
• ESI Fixed an issue where Divi was disabling all in edit mode, but couldn’t disable ESI. (Abe)
• ESI ESI init moved under init hook from plugin_loaded hook.
• CDN Add basic support for CloudFlare API Tokens (Abe #320)
• CSS Simplified Font Display Optimization option.
• CSS Fixed manual cron timeout issue. (jesse Distad)
• CSS Inline CSS may now use data-no-optimize to be excluded from optimization. (popaionut)
• JS Combined Load JS Defer and Load Inline JS Defer options.
• JS Forced async to defer.
• JS Moved Google Analytics JS from constant default to setting default for removal.
• JS Fixed potential JS parsing issue caused by JS src being changed to data-src by other plugins. (ankit)
• JS Excluded spotlight from JS optimize. (tobolo)
• CCSS Fixed CCSS/UCSS manual cron timeout issue.
• CCSS Only 10 items will be kept for CCSS history.
• CCSS The appearance of CCSS Purge in the topbar menu will be determined by the existance of CCSS cache, and not the setting only.
• CCSS To avoid stuck queues when the current request keeps failing, the CCSS queue will always drop once requested.
• CCSS CCSS will no longer hide adminbar.
• CCSS CCSS may now be separate for network subsites. (Joshua)
• CCSS Gave CCSS a unique filename per URL per user role per subsite.
• CCSS Dropped Separate CCSS Cache Post Types option.
• CCSS Dropped Separate CCSS Cache URIs option.
• CCSS Subsites purge Avatar/CSS/JS/CCSS will not affect the whole network anymore.
• CCSS Implemented a better queue list for CCSS that auto collapses if there are more than 20 entries, and shows the total on top.
• CSSJS Now using separate CSS and JS folders instead of cssjs.
• CSSJS Automatically purge cache after CCSS is generated.
• Network Dropped network CSS/JS rewrite rules.
• Cache Send cache tag header whenever adding a tag to make it effective in the page optimization process.
• Core Used hook for buffer optimization; Used init() instead of constructor.
• Object Used cls instead of get_instance for init.
• Cloud Replaced one-time message with a dismissible-only message when the domain key has been automatically cleared due to domain/key dismatch.
• API Dropped function hook_vary_add().
• API Dropped function vary_add().
• API Dropped function filter_vary_cookies().
• API Dropped function hook_vary().
• API Dropped action litespeed_vary_add.
• API Dropped filter litespeed_api_vary.
• API Use litespeed_vary_curr_cookies and litespeed_vary_cookies for Vary cookie operations instead.
• API Dropped action litespeed_vary_append.
• Vary 3rd party vary cookies will not append into .htaccess anymore but only present in response vary header if in use.
• Vary Dropped function append().
• Vary Commenter cookie is now considered cacheable.
• Crawler Minor update to crawler user agent to accommodate mobile_detect.php (Abe #304)
• Data Added a table truncate function.
• Data Added new tables url & url_file.
• Data Dropped cssjs table.
• Data Options/Summary data is now stored in JSON format to speed up backend visit. (#233250)
• Data Default CSS Combine External and Inline and JS Combine External and Inline to On for new installations for better compatibility.
• Purge Fixed potential purge warning for certain themes.
• Purge Purge will be stored for next valid visit to trigger if it is initially generated by CLI.
• Page Optimize CSS Combine/JS Combine will now share the same file if the contents are the same. Limited disk usage for better file usage and fewer issues with random string problems.
• Page Optimize Dropped option CSS/JS Cache TTL.
• Page Optimize Bypass optimization if page not cacheable.
• Page Optimize Purge CSS/JS will purge the url_file table too.
• Page Optimize Optionally store a vary with a shorter value.
• Page Optimize Removing query strings will no longer affect external assets. (ankit)
• Page Optimize Better regex for optimization parsing.
• Page Optimize Eliminated w3 validator for DNS prefetch and duplicated ID errors. (sumit Pandey)
• Page Optimize New Optimization for Guest Only option under Tuning.
• Page Optimize Now forbidding external link redirection for localization.
• Debug Implemented a better debug format for the 2nd parameter in the log.
• GUI Bypass page score banner when score is not detected (both 0). (ankit)
• GUI Fixed deprecated JQuery function warning in WP-Admin. (krzxsiek)

3.6.4 – Mar 15 2021

• Toolbox Fixed Beta Test upgrade error when upgrading to v3.7+.

3.6.3 – Mar 10 2021

• Core Fixed potential upgrade failure when new versions have changes in activation related functions.
• Core Upgrade process won’t get deactivated anymore on Network setup.

3.6.2 – Feb 1 2021

• Page Optimize Fixed an issue where network purge CSS/JS caused 404 errors for subsites.
• Page Optimize Fixed an issue where purge CSS/JS only caused 404 errors.
• Page Optimize Added a notice for CSS/JS data detection and potential random string issue.
• Page Optimize Limited localization resources to specified .js only. (closte #292/ormonk)
• JS Data src may now be bypassed from JS Combine. (ankit)
• CLI Fixed a message typo in Purge. (flixwatchsupport)
• Browser Added font/otf to Browser Cache expire list. (ruikai)
• Data Updated data files to accept PR from dev branch only.
• 3rd Add data-view-breakpoint-pointer to js_excludes.txt for the Events Calendar plugin. (therealgilles)
• Cloud Bypassed invalid requests.
• Doc CDN Mapping description improvement. (mihai A.)

3.6.1 – Dec 21 2020

• WP Tested up to WP v5.6.
• WebP Reverted WebP support on Safari Big Sur and Safari v14.0.1+ due to an inability to detect MacOS versions from UA. (@antomal)
• CDN Dropped the option Load JQuery Remotely.
• CDN Fixed CDN URL replacement issue in optimized CSS files. (@ankit)
• CDN Fixed an issue where CDN CLI wouldn’t set mapping image/CSS/JS to OFF when false was the value.
• CDN Started using React for CDN Mapping settings.
• GUI Secured Server IP setting from potential XSS issues. (@WonTae Jang)
• Toolbox Supported both dev and master branches for Beta Test. Latest version updated to v3.6.1.
• Purge Purge Pages now can purge non-archive pages too.
• Admin Simplified the admin JS.
• Admin Limited crawler-related react JS to crawler page only.

3.6 – Dec 14 2020

• 🌱WebP Added WebP support on Safari Big Sur or Safari v14.0.1+. (@ruikai)
• 🐞Config Fixed an issue where new installations were not getting the correct default .htaccess content.
• Crawler Will auto bypass empty sub-sitemap instead of throwing an exception. (@nanoprobes @Tobolo)
• Crawler Now using React for Cookie Simulation settings instead of Vue.js. Dropped Vue.js.
• Crawler Dropped Sitemap Generation (will only use 3rd party sitemap for crawler).
• CSS Added CSS Combine External and Inline option for backward compatibility. (@lisa)
• Object Forbid .object-cache.ini visits. (@Tarik)
• Page Optimize Dropped Remove Comments option to avoid combine error.
• CSS Added a predefined CSS exclude file data/css_excludes.txt.
• CSS Excluded Flatsome theme random inline CSS from combine.
• CSS Excluded WoodMart theme from combine. (@moemauphie)
• Page Optimize Excluded tagDiv.com Newspaper theme dynamic CSS/JS from CSS/JS Combine.
• CSS Added predefined JS defer excludes list. (@Shivam)
• JS data-no-defer option now supports inline JS. (@rafaucau)
• Media Lazyload inline library is now bypassed by JS Combine.
• Admin Fixed WP-Admin console ID duplicate warnings.
• Cloud Dropped QUIC.cloud sync options that have long been unused.
• CSS Dropped Unique CSS File option (UCSS will always generate unique file, will use whitelist to group post type to one CSS).
• GUI Dropped Help tab.
• Toolbox Added 3.5.2 to version list.

3.5.2 – Oct 27 2020

• CSS CSS Combine is now compatible w/ inline noscript CSS. (@galbaras)
• GUI Added ability to manually dismiss the JS option reset message in v3.5.1 upgrade process. (#473917)
• 🐞CSS CSS Excludes setting will no longer lose items beginning w/ #. (@ankit)
• API New litespeed_media_reset API function for image editing purposes. (@Andro)

3.5.1 – Oct 20 2020

• JS Inline JS containing nonces can now be combined.
• JS Reset JS Combine/Defer to OFF when upgrading to avoid breaking sites.
• JS Added new option JS Combine External and Inline to allow backwards compatibility.
• JS Added Inline JS Defer option back. (@ankit)
• Page Optimize Dropped Inline JS Minify option and merged the feature into JS Minify.
• JS Pre-added jQuery to the default JS excludes/defer list for better layout compatibility for new users.
• JS Excluded Stripe/PayPal/Google Map from JS optimization. (@FPCSJames)
• JS Allowed excluded JS to still be HTTP2 pushed. (@joshua)
• CCSS Critical CSS now can avoid network pollution from other sites. (@ankit)
• Toolbox Beta Test now displays recent public versions so it is easier to revert to an older version
• Vary Server environment variable Vary can now be passed to original server from QUIC.cloud for non-LiteSpeed servers.
• ESI Improved backward compatibility for ESI nonce list. (@zach E)
• 🐞Misc Fixed failure of upgrade button on plugin news banner and made cosmetic improvements.
• Doc Added note that LSCWP works with ClassicPress.

3.5.0.2 – Sep 30 2020

• This is a temporary revert fix. Code is SAME as v3.4.2.

3.5.0.1 – Sep 29 2020

• 🔥🐞CSS Fixed print media query issue when having CSS Combine. (@paddy-duncan)

3.5 – Sep 29 2020

• Page Optimize Refactored CSS/JS optimization.
• Page Optimize CSS and JS Combine now each save to a single file without memory usage issues.
• CSS Inline CSS Minify is now a part of CSS Minify, and will respect thr original priorities. (thanks to @galbaras)
• JS JS Combine now generates a single JS file in the footer. (Special thanks to @ankit)
• JS JS Combine now combines external JS files, too. (Thanks to @ankit)
• JS JS Deferred Excludes now uses the original path/filename as keywords instead of the minified path/filename, when JS Minify is enabled.
• JS JS Combine now combines inline JS, too.
• JS JS Excludes may now be used for inline JS snippet.
• Page Optimize Inline CSS Minify and Max Combined File Size retired due to changes listed above.
• CSS Combined CSS Priority retired due to changes listed above.
• JS Exclude JQuery, Combined JS Priority, Load Inline JS Deferred, and Inline JS Deferred Excludes retired due to changes listed above.
• JS Predefined data file data/js_excludes.txt now available for JS Excludes.
• ESI Predefined data file data/esi.nonces.txt now available for ESI Nonces.
• ESI Remote Fetch ESI Nonces functionality retired.
• API Added support for new litespeed_esi_nonces filter.
• Object Object Cache will not try to reconnect after failure to connect in a single process.
• CCSS Remote read CSS will add the scheme if it is missing from the URL.
• CCSS CSS will no longer be prepared for a URL if 404 result is detected.
• CCSS Fixed most failures caused by third party CSS syntax errors.
• CCSS Remote read CSS will fix the scheme if the URL doesn’t have it.
• CCSS Excluded 404 when preparing CSS before request.
• CCSS Adjusted CCSS timeout from 180 seconds to 30 seconds.
• Image Optimize Fixed the delete attachment database error that occurred when not using the image optimization service yet.
• Media Added iOS 14 WebP support.
• Data Fixed database creation failure for MySQL v8.
• Cloud Error code err_key will clear the domain key in order to avoid duplicate invalid requests.
• Network Fixed issue with object cache password file storage that occurred when resaving the settings. (#302358)
• Misc Fixed IP detect compatibility w/ Apache.
• GUI Fixed the description for Do Not Cache Categories.
• Preload Upgraded Instant Click to a new stable preload library. (@stasonua0)

3.4.2 – Sep 8 2020

• CCSS Corrected the issue that wrongly appended non-CSS files to CSS in links before sending request.
• 3rd YITH wishlist now sends a combined single sub request for all widgets contained in one page. (LSWS v5.4.9 build 3+ required)
• ESI Added support for ESI combine feature.
• GUI Dropped banner notification for missing domain key when domain key is not initialized.
• Log When QC whitelist check fails, a detailed failure log is now appended.

3.4.1 – Sep 2 2020

• 🐞CCSS Fixed an issue where dynamically generated CSS failed with TypeError: Cannot read property type of undefined.
• 🐞Page Optimize Fixed CSS optimization compatibility for CSS dynamically generated with PHP.
• Page Optimize Added the ability to defer JS even when the resource is excluded from other JS optimizations. (@slr1979)
• ESI Added support for ESI last paramater inline value.
• 3rd YITH Wishlist, when cached for the first time, will no longer send sub requests.

3.4 – Aug 26 2020

• 🌱LQIP New setting LQIP Excludes.
• 🌱LQIP Added a Clear LQIP Queue button.
• 🌱CCSS Added a Clear CCSS Queue button.
• CCSS Fixed an issue which wrongly included preloaded images in CCSS. (@pixtweaks)
• Network Primary site and subsite settings now display correctly.
• Page Optimize Noscript tags generated by LSCWP will only be dropped when the corresponding option is enabled. (@ankit)
• DB Optimize Fixed database optimizer conflicts w/ object cache transient setting. (#752931)
• 3rd Fixed an issue with WooCommerce product purge when order is placed.
• 3rd Improved WooCommerce product comment compatibility with WooCommerce Photo Reviews Premium plugin when using ESI.
• CDN Fixed Remote jQuery compatibility with WordPress v5.5. (@pixtweaks)
• API New API litespeed_purge_all_object and litespeed_purged_all_object action hooks.

3.3.1 – Aug 12 2020

• 🌱Page Optimize New option to Remove Noscript Tags. (@phuc88bmt)
• 🐞LQIP Fixed a critical bug that bypassed all requests in v3.3.
• LQIP Requests are now bypassed if domain has no credit left.
• Page Optimize Inline defer will be bypassed if document listener is detected in the code. (@ssurfer)
• CCSS Print-only styles will no longer be included in Critical CSS.
• API Added hooks to Purge action to handle file deletions. (@biati)
• Cloud Plain permalinks are no longer required for use of cloud services.
• Data Added an access denial to work with OpenLiteSpeed. (@spenweb #PR228)
• GUI Spelling and grammar adjustments. (@blastoise186 #PR253)

3.3 – Aug 6 2020

• 🌱Page Optimize Added a new setting, Inline JS Deferred Excludes. (@ankit)
• Page Optimize CSS/JS Combine/Minify file versions will be differentiated by query string hash instead of new filename to reduce DB/file system storage.
• Page Optimize Added the ability to use local copies of external JS files for better control over page score impacts.
• Page Optimize Improved combination of CSS media queries. (@galbaras)
• Page Optimize Reprioritized Inline JS Defer to be optimized before encoding, for a significantly smaller result.
• LQIP Detect if the file exists before sending LQIP request to QUIC.cloud.
• CCSS Sped up CCSS process significantly by sending HTML and CSS in request.
• CCSS Improvements to mobile CSS support in CCSS.
• CCSS Minimize CCSS failures by attempting to automatically fix CSS syntax errors.
• Cloud Domain Key will be deleted after QUIC.cloud site_not_registered error to avoid endless repeated requests.
• CDN CDN Original URL will default to WP Site URL if not set. (@ruikai)
• CLI Global output format --format=json/yaml/dump and --json support in CLI. (@alya1992)
• CDN Improved handling of non-image CSS url() sources in CDN. (@daniel McD)
• 🐞CDN Fixed CDN replacement conflict w/ JS/CSS Optimize. (@ankit)
• Crawler Only reset Crawler waiting queues when crawling begins. (@ruikai)
• Network Network Enable Cache is no longer reset to ON Use Network Settings in enabled. (@RavanH)
• 🐞Activation Fixed a PHP warning that appeared during uninstall. (@RavanH)
• Debug Automatically omit long strings when dumping an array to debug log.
• Report Subsites report now shows overwritten values along w/ original values. (#52593959)
• REST Improved WP5.5 REST compatibility. (@oldrup)
• GUI Server IP setting moved from Crawler menu to General menu.
• GUI Localize resources moved to Localization tab.
• Config News option now defaults to ON.

3.2.4 – Jul 8 2020

• Object New installations no longer get custom data.ini reset, as this could cause lost configuration. (@Eric)
• ESI Now using svar to load nonces more quickly. (@Lauren)
• ESI Fixed the conflicts between nonces in inline JS and ESI Nonces when Inline JS Deferred is enabled. (@JesseDistad)
• 🐞ESI Fixed Fetch Latest Predefined Nonce button.
• 🐞Cache Fixed an issue where mobile visits were not being cached when Cache Mobile was disabled.
• CDN Bypass CDN constant LITESPEED_BYPASS_CDN now will apply to all CDN replacements.
• Router Dropped Router::get_uid() function.
• Crawler Updated role simulator function for future UCSS usage.
• GUI Textarea will now automatically adjust the height based on the number of rows input.
• CLI Fixed an issue that caused WP-Cron to exit when a task errored out. (@DovidLevine @MatthewJohnson)
• Cloud No longer communcate with QUIC.cloud when Domain Key is not set and Debug is enabled.
• Cloud Score banner no longer automatically fetches a new score. (@LucasRolff)

3.2.3.2 – Jun 19 2020

• 🔥🐞Page Optimize Hotfix for CSS/JS minify/combine. (@jdelgadoesteban @martin_bailey)

3.2.3.1 – Jun 18 2020

• API New filter litespeed_buffer_before and litespeed_buffer_after. (#PR243 @joejordanbrown)

3.2.3 – Jun 18 2020

• 🌱Page Optimize Added Unique CSS option for future removal of unused CSS per page. (@moongear)
• Page Optimize Fixed an issue where Font Optimization could fail when having Load JS Deferred and Load Inline JS Deferred. (#PR241 @joejordanbrown)
• 🐞Page Optimize Fixed an issue with Font Display Optimization which caused Google Fonts to load incorrectly. (#PR240 @joejordanbrown @haidan)
• 🐞Network Use Primary Site Configuration setting for network sites now works properly with Object Cache and Browser Cache. (#56175101)
• API Added filter litespeed_is_from_cloud to detect if the current request is from QC or not. (@lechon)
• ESI ESI Nonce now can fetch latest list with one click.
• GUI Updated remaining documentation links & some minor UI tweaks. (@Joshua Reynolds)

3.2.2 – Jun 10 2020

• 🌱Purge Scheduled Purge URLs now supports wildcard. (#427338)
• 🌱ESI ESI Nonce supports wildcard match now.
• Network Use Primary Site Settings now can support Domain Key, and override mechanism improved. (@alican532 #96266273)
• Cloud Debug mode will now have no interval limit for most cloud requests. (@ruikai)
• Conf Default Purge Stale to OFF.
• GUI Purge Stale renamed to Serve Stale.
• Data Predefined nonce list located in /litespeed-cache/data/esi.nonce.txt. Pull requests welcome.
• Debug Limited parameter log length.
• 🐞CDN Fixed an issue where upgrading lost value of CDN switch setting. (#888668)
• 3rd Caldera Forms ESI Nonce enhancement. (@paconarud16 @marketingsweet)
• 3rd Elementor now purges correctly after post/page updates.
• 3rd Disabled Page Optimization features on AMP to avoid webfont JS inject. (@rahulgupta1985)

3.2.1 – Jun 1 2020

• Cloud LQIP/CCSS rate limit tweaks. (@ianpegg)
• Admin Improved frontend Admin Bar menu functionality. (#708642)
• Crawler Fixed an issue where cleaning up a crawler map with a leftover page number would cause a MySQL error. (@saowp)
• Image Optimize Added WP default thumbnails to image optimization summary list. (@johnny Nguyen)
• REST Improved REST compatibility w/ WP4.4-. (#767203)
• GUI Moved Use Primary Site Configuration to General menu. (@joshua)

3.2 – May 27 2020

• Image Optimize Major improvements in queue management, scalability, and speed. (@LucasRolff)
• Cloud Implemented a series of communication enhancements. (@Lucas Rolff)
• Crawler Enhanced PHP 5.3 compatibility. (@JTS-FIN #230)
• Page Optimize Appended image template in wpDiscuz script into default lazyload image exclude list. (@philipfaster @szmigieldesign)
• Page Optimize Eliminated the 404 issue for CSS/JS in server environments with missing SCRIPT_URI. (@ankit)
• Data ENhanced summary data storage typecasting.

3.1 – May 20 2020

• 🌱Network Added Debug settings to network level when on network.
• 🐞Purge Network now can purge all.
• 🐞Network Fixed issue where saving the network primary site settings failed.
• Network Moved Beta Test to network level when on network.
• 🐞Cache Fixed issue in admin where new post editor was wrongly cached for non-admin roles. (@TEKFused)
• 🐞Data Fixed issue with crawler & img_optm table creation failure. (@berdini @piercand)
• 🐞Core Improved plugin activation compatibility on Windows 10 #224 (@greenphp)
• Core Improved compatibility for .htaccess path search.
• Object Catch RedisException. (@elparts)
• Fixed Script URI issue in 3.0.9 #223 (@aonsyed)
• Image Optimize Show thumbnail size set list in image optimization summary. (@Johnny Nguyen)
• Debug Parameters will now be logged.

3.0.9 – May 13 2020

• Purge Comment cache can be successfully purged now.
• Data Better MySQL charset support for crawler/image optimize table creation. (@Roshan Jonah)
• API New hook to fire after Purge All. (@salvatorefresta)
• Crawler Resolve IP for crawler.
• Task PHP5.3 Cron compatibility fix.
• 3rd Elementor edit mode compatibility.
• Page Optimize Fixed an issue where Purge Stale returned 404 for next visitor on CSS/JS.
• Page Optimize Fixed the PHP warning when srcset doesn’t have size info inside. (@gvidano)
• Cloud Fixed the potential PHP warning when applying for the domain key.
• Core PHP DIR const replacement. (@MathiasReker)

3.0.8.6 – May 4 2020

• CCSS Bypassed CCSS functionality on frontend when domain key isn’t setup yet.
• Cloud Fixed WP node redetection bug when node expired. (@Joshua Reynolds)
• Crawler Fixed an issue where URL is wrongly blacklisted when using ADC.

3.0.8.5 – May 1 2020

• 🔥🐞3rd Hotfix for WPLister critical error due to v3.0.8.4 changes.
• Image Optimize Unfinished queue now will get more detailed info to indicate the proceeding status on node.
• CLI Options can now use true/false as value for bool. (@gavin)
• CLI Detect error if the ID does not exist when get/set an option value.
• Doc An API comment typo for litespeed_esi_load- is fixed.

3.0.8.4 – Apr 30 2020

• 🌱Crawler New setting: Sitemap timeout. (#364607)
• Image Optimize Images that fail to optimize are now counted to increase next request limit.
• Cloud Redetect fastest node every 3 days.
• Cloud Suppressed auto upgrade version detection error. (@marc Dahl)
• 3rd 3rd party namespace compatibility. (#366352)

3.0.8.3 – Apr 28 2020

• Cloud Better compatibility for the Link to QUIC.cloud operation. (@Ronei de Sousa Almeida)
• Image Optimize Automatically clear invalid image sources before sending requests. (@Richard Hordern)

3.0.8.2 – Apr 27 2020

• GUI Corrected the Request Domain Key wording.

3.0.8.1 – Apr 27 2020

• Object Object cache compatibility for upgrade from v2.9.9- versions.

3.0.8 – Apr 27 2020

• Released v3 on WordPress officially.

3.0.4 – Apr 23 2020

• Cloud Apply Domain Key now receives error info in next apply action if failed to generate.
• GUI Apply Domain Key timeout now displays troubleshooting guidance.
• REST Added /ping and /token to REST GET for easier debug.
• Cache Dropped advanced-cache.php file detection and usage.

3.0.3 – Apr 21 2020

• Conf Settings from all options (data ini, defined constant, and forced) will be filtered and cast to expected type.
• Upgrade CDN mapping and other multiple line settings will now migrate correctly when upgrading from v2 to v3.

3.0.2 – Apr 17 2020

• GUI More guidance on domain key setting page.
• Cloud Now Apply Domain Key will append the server IP if it exists in Crawler Server IP setting.

3.0.1 – Apr 16 2020

• Data Increased timeout for database upgrade related to version upgrade. Display a banner while update in progress.
• Page Optimize All appended HTML attributes now will use double quotes to reduce the conflicts when the optimized resources are in JS snippets.

3.0 – Apr 15 2020

• 🌱Media LQIP (Low Quality Image Placeholder).
• 🌱Page Optimize Load Inline JS Deferred Compatibility Mode. (Special thanks to @joe B – AppsON)
• 🌱Cloud New QUIC.cloud API key setting.
• 🌱ESI New ESI nonce setting.
• 🌱Media JPG quality control. (@geckomist)
• 🌱Media Responsive local SVG placeholder.
• 🌱Discussion Gravatar warmup cron.
• 🌱DB Table Engine Converter tool. (@johnny Nguyen)
• 🌱DB Database summary: Autoload size. (@JohnnyNguyen)
• 🌱DB Database summary: Autoload entries list.
• 🌱DB Revisions older than. (@thememasterguru)
• 🌱Cache Forced public cache setting. (#308207)
• 🌱Crawler New timeout setting to avoid incorrect blacklist addition. (#900171)
• 🌱Htaccess Frontend & backend .htaccess path customize. (@jon81)
• 🌱Toolbox Detailed Heartbeat Control (@K9Heaven)
• 🌱Purge Purge Stale setting.
• 🌱Page Optimize Font display optimization. (@Joeee)
• 🌱Page Optimize Google font URL display optimization.
• 🌱Page Optimize Load Inline JS deferred.
• 🌱Page Optimize Store gravatar locally. (@zzTaLaNo1zz @JohnnyNguyen)
• 🌱Page Optimize DNS prefetch control setting.
• 🌱Page Optimize Lazy Load Image Parent Class Name Excludes. (@pako69)
• 🌱Page Optimize Lazy load iframe class excludes. (@vnnloser)
• 🌱Page Optimize Lazy load exclude URIs. (@wordpress_fan1 @aminaz)
• 🌱GUI New Dashboard and new menus.
• 🌱Image Optimize Supported GIF WebP optimization. (@Lucas Rolff)
• 🌱Image Optimize New workflow for image optimization (Gather first, request second).
• 🌱Image Optimize The return of Rescan.
• 🌱CLI Get single option cmd.
• 🌱CLI QUIC.cloud cmd supported.
• 🌱CLI CLI can send report now.
• 🌱Health Page speed and page score now are in dashboard.
• 🌱Conf Supported consts overwritten of LITESPEED_CONF__ for all settings. (@menathor)
• 🌱REST New REST TTL setting. (@thekendog)
• 🌱CDN New setting HTML Attribute To Replace. CDN can now support any HTML attribute to be replaced. (@danushkaj91)
• 🌱Debug Debug URI includes/excludes setings.
• 🌱Crawler 🐞 Support for multiple domains in custom sitemap. (@alchem)
• 🌱Crawler New Crawler dashboard. New sitemap w/ crawler status. New blacklist w/ reason.
• 🌱Media LQIP minimum dimensions setting. (@Lukasz Szmigiel)
• Crawler Able to add single rows to blacklist.
• Crawler Crawler data now saved into database instead of creating new files.
• Crawler Larger timeout to avoid wrongly added to blacklist.
• Crawler Manually changed the priority of mobile and WebP. (@rafaucau)
• Browser Larger Browser Cache TTL for Google Page Score improvement. (@max2348)
• Task Task refactored. Disabled cron will not show in cron list anymore.
• Task Speed up task load speed.
• ESI Added Bloom nonce to ESI for Elegant Themes.
• Cloud Able to redetect cloud nodes now.
• Img_optm Fixed stale data in redirected links.
• Lazyload CSS class litespeed_lazyloaded is now appended to HTML body after lazyload is finished. (@Adam Wilson)
• Cache Default drop qs values. (@gijo Varghese)
• LQIP Show all LQIP images in Media column.
• CDN Can now support custom REST API prefix other than wp-json. (#174 @therealgilles)
• IAPI Used REST for notify/destroy/check_img; Removed callback passive/aggreesive IAPI func
• CSSJS Saved all static files to litespeed folder; Uninstallation will remove static cache folder too; Reduced .htaccess rules by serving CSS/JS directly.
• Object Fixed override different ports issue. (@timofeycom #ISSUE178)
• Conf DB Tables will now only create when activating/upgrading/changing settings.
• DB Simplified table operation funcs.
• CSSJS Bypassed CSS/JS generation to return 404 if file is empty (@grubyy)
• CSSJS Inline JS defer will not conflict with JS inline optm anymore.
• CDN settings will not be overwritten by primary settings in network anymore. (@rudi Khoury)
• OPcache Purged all opcache when updating cache file. (@closte #170)
• CLI CLI cmd renamed.
• CLI Well-formated table to show all options.
• Purge Only purge related posts that have a status of “published” to avoid unnecessary “draft” purges. (@Jakub Knytl)
• GUI Removed basic/adv mode for settings. Moved non-cache settings to its own menu.
• Htaccess Protected .htaccess.bk file. Only kept one backup. (@teflonmann)
• Crawler Crawler cookie now support _null as empty value.
• Crawler Avoid crawler PHP fatal error on Windows OS. (@technisolutions)
• Admin Simplified admin setting logic.
• Conf Multi values settings now uniformed to multi lines for easier setting.
• Conf New preset default data file data/consts.default.ini.
• Conf Config setting renamed and uniformed.
• Conf Dropped Conf::option(). Used Conf::val() instead.
• Conf Improved conf initialization and upgrade convertion workflow.
• Core Code base refactored. New namespace LiteSpeed.
• API New API: iframe lazyload exclude filter.
• GUI human readable seconds. (@MarkCanada)
• API API refactored. * NOTE: All 3rd party plugins that are using previous APIs, especially LiteSpeed_Cache_API, need to be adjusted to the latest one. Same for ESI blocks.* ESI shortcode doesn’t change.
• API New hook litespeed_update_confs to settings update.
• API New Hooks litespeed_frontend_shortcut and litespeed_backend_shortcut for dropdown menu. (@callaloo)
• API Removed litespeed_option_* hooks. Use litespeed_force_option hook insteadly
• API Renamed litespeed_force_option to litespeed_conf_force.
• API Removed function litespeed_purge_single_post.
• REST New rest API to fetch public IP.
• GUI Hiding Cloudflare/Object Cache/Cloud API key credentials. (@menathor)
• GUI Renamed all backend link tag from lscache to litespeed.
• GUI fixed duplicated form tag.
• GUI Fix cron doc link. (@arnab Mohapatra)
• GUI Frontend adminbar menu added Purge All actions. (@Monarobase)
• GUI Localized vue.js to avoid CloudFlare cookie. (@politicske)
• GUI Always show optm column in Media Library for future single row optm operation. (@mikeyhash)
• GUI Displayed TTL range below the corresponding setting.
• GUI GUI refactored.
• Debug Report can now append notes.
• 3rd Default added parallax-image to webp replacement for BB.
• 3rd User Switching plugin compatibility. (@robert Staddon)
• 3rd Beaver Builder plugin compatibility with v3.0.
• 3rd Avada plugin compatibility w/ BBPress. (@pimg)
• 3rd WooCommerce PayPal Checkout Gateway compatibility. (#960642 @Glen Cabusas)
• Network Fixed potential timeout issue when containing a large volume of sites. (@alican532)
• Debug Disable All Features now will see the warning banner if ON.
• Debug Dropped log filters section.
• Debug Debug and Tools sections combined into new Toolbox section.
• 🐞Crawler Multi sites will now use separate sitemap even when Use Primary Site is ON. (@mrhuynhanh)
• 🐞Img_optm Fixed large volume image table storage issue. (#328956)
• 🐞 Cloud Cloud callback hash validation fixed OC conflict. (@pbpiotr)
• 🎊 Any user that had the contribution to our WP community or changelog (even just bug report/feedback/suggestion) can apply for extra credits in QUIC.cloud.

2.9.9.2 – Nov 24 2019

• 🌱GUI New settings to limit News Feed to plugin page only.

2.9.9.1 – Nov 18 2019

• 🌱Env Environment Report can now append a passwordless link for support access without wp-admin password.
• Admin The latest v3.0 beta test link may now be shown on the admin page when it’s available.
• 3rd Compatibility with DoLogin Security.
• 🐞ESI Fixed a failure issue with Vary Group save. (@rafasshop)
• 🐞3rd In browsers where WebP is not supported, Divi image picker will no longer serve WebP. (@Austin Tinius)

2.9.9 – Oct 28 2019

• Core: Preload all classes to avoid getting error for upcoming v3.0 upgrade.
• Object: Improved compatibility with upcoming v3.0 release.
• ESI: Unlocked ESI for OLS in case OLS is using QUIC.cloud CDN which supports ESI.
• 3rd: Elementor Edit button will now show when ESI enabled. (#PR149 #335322 @maxgorky)
• 🐞Media: Fixed missing Media optimization column when Admin role is excluded from optimization in settings. (@mikeyhash @pako69 @dgilfillan)

2.9.8.7 – Oct 11 2019

• 3rd: Enhanced WP stateless compatibility. (#PR143)
• 3rd: Fixed a PHP warning caused by previous PR for AMP. (#PR176)

2.9.8.6 – Sep 24 2019

• 3rd: Bypassed page optimizations for AMP. (#359748 #PR169)
• GUI: Firefox compatibility with radio button state when reloading pages. (#288940 #PR162)
• GUI: Updated Slack invitation link. (#PR173)

2.9.8.5 – Aug 21 2019

• CCSS: Removed potential PHP notice when getting post_type. (@amcgiffert)
• CDN: Bypassed CDN replacement on admin page when adding media to page/post. (@martin_bailey)
• 🐞Media: Fixed inability to update or destroy postmeta data for child images. (#167713)

2.9.8.4 – Jul 25 2019

• Object: Increased compatibility with phpredis 5.0.
• Object: Appended wc_session_id to default Do Not Cache Groups setting to avoid issue where WooCommerce cart items were missing when Object Cache is used. NOTE: Existing users must add wc_session_id manually! (#895333)
• CSS: Added null onload handler for CSS async loading. (@joejordanbrown)
• 🕷️: Increased crawler timeout to avoid wrongly adding a URL to the blacklist.
• 3rd: WooCommerce Advanced Bulk Edit can now purge cache automatically.

2.9.8.3 – Jul 9 2019

• CSS: Enhanced the CSS Minify compatibility for CSS with missing closing bracket syntax errors. (@fa508210020)
• 🕷️: Crawler now supports both cookie and no-cookie cases. (@tabare)
• CCSS: Enhanced compatibility with requested pages where meta info size exceeds 8k. (@Joe B)
• CCSS: No longer processing “font” or “import” directives as they are not considered critical. (@Ankit @Joe B)
• IAPI: Removed IPv6 from all servers to avoid invalid firewall whitelist.

2.9.8.2 – Jun 17 2019

• 🔥🐞 3rd: Fixed PHP 5.3 compatibility issue with Facetwp.

2.9.8.1 – Jun 17 2019

• 3rd: Set ESI template hook priority to highest number to prevent ESI conflict with Enfold theme. (#289354)
• 3rd: Improved Facetwp reset button compatibility with ESI. (@emilyel)
• 3rd: Enabled user role change to fix duplicate login issue for plugins that use alternative login processes. (#114165 #717223 @sergiom87)
• GUI: Wrapped static text with translate function. (@halilemreozen)

2.9.8 – May 22 2019

• Core: Refactored loading priority so user related functions & optimization features are set after user initialization. (#717223 #114165 #413338)
• Media: Improved backup file calculation query to prevent out-of-memory issue.
• Conf: Feed cache now defaults to ON.
• API: Fully remote attachment compatibility API of image optimization now supported.
• 🕷️: Bypassed vary change for crawler; crawler can now simulate default vary cookie.
• ESI: Refactored ESI widget. Removed widget_load_get_options() function.
• ESI: Changed the input name of widget fields in form.
• 3rd: Elementor can now save ESI widget settings in frontend builder.
• 3rd: WP-Stateless compatibility.
• IAPI: Image optimization can now successfully finish the destroy process with large volume images with automatic continual mode.
• 🐞CDN: Fixed issue with Load JQuery Remotely setting where WP 5.2.1 provided an unexpected jQuery version.
• 🐞3rd: Login process now gets the correct role; fixed double login issue.

2.9.7.2 – May 2 2019

• Conf: Enhanced compatibility when an option is not properly initialized.
• Conf: Prevent non-array instance in widget from causing 500 error. (#210407)
• CCSS: Increase CCSS generation timeout to 60s.
• Media: Renamed lazyload CSS class to avoid conflicts with other plugins. (@DynamoProd)
• JS: Improved W3 validator. (@istanbulantik)
• QUIC: Synced cache tag prefix for static files cache.
• ESI: Restored query strings to ESI admin bar for accurate rendering. (#977284)
• ESI: Tweaked ESI init priority to honor LITESPEED_DISABLE_ALL const. ESI will now init after plugin loaded.
• 🐞ESI: No longer initialize ESI if ESI option is OFF.
• API: New “Disable All” API function.
• API: New “Force public cache” API function.
• 🐞Vary: Fixed an issue with saving vary groups.
• 🐞IAPI: Fixed an issue where image md5 validation failed due to whitespace in the image path.
• 🐞3rd: Bypass all optimization/ESI/Cache features when entering Divi Theme Builder frontend editor.
• 🐞3rd: Fixed an issue where DIVI admin bar exit button didn’t work when ESI was ON.

2.9.7.1 – Apr 9 2019

• Purge: Purge All no longer includes Purge CCSS/Placeholder.
• 3rd: Divi Theme Builder no longer experiences nonce expiration issues in the contact form widget. (#475461)

2.9.7 – Apr 1 2019

• 🌱🌱🌱 QUIC.cloud CDN feature. Now Apache/Nginx can use LiteSpeed cache freely.

2.9.6 – Mar 27 2019

• 🌱IAPI: Appended XMP to Preserve EXIF data setting. WebP will now honor this setting. (#902219)
• Object: Fixed SASL connection with LSMCD.
• ESI: Converted ESI URI parameters to JSON; Added ESI validation.
• Import: Import/Export will now use JSON format. Please re-export any backed up settings. Previous backup format is no longer recognized.
• Media: WebP replacement will honor Role Excludes setting now. (@mfazio26)
• Data: Forbid direct visit to const.default.ini.
• Utility: Can handle WHM passed in LITESPEED_ERR constant now.
• IAPI: Communicate via JSON encoding.
• IAPI: IAPI v2.9.6.

2.9.5 – Mar 14 2019

• 🌱 Auto convert default WordPress nonce to ESI to avoid expiration.
• 🌱 API: Ability to easily convert custom nonce to ESI by registering LiteSpeed_Cache_API::nonce_action.
• OPTM: Tweaked redundant attr data-no-optimize in func _analyse_links to data-ignore-optimize to offer the API to bypass optimization but still move src to top of source code.
• API: Renamed default nonce ESI ID from lscwp_nonce_esi to nonce.
• API: Added WebP generation & validation hook API. (@alim #wp-stateless)
• API: Added hook to bypass vary commenter check. (#wpdiscuz)
• Doc: Clarified Cache Mobile description. (@JohnnyNguyen)
• Doc: Replaced incorrect link in description. (@JohnnyNguyen)
• 3rd: Improved wpDiscuz compatibility.
• 🐞3rd: Fixed Divi Theme Builder comment compatibility on non-builder pages. (#410919)
• 3rd: Added YITH ESI adjustment.

2.9.4.1 – Feb 28 2019

• 🔥🐞Tag: Fixed issue where unnecessary warning potentially displayed after upgrade process when object cache is enabled.

2.9.4 – Feb 27 2019

• 🐞REST: New REST class with better WP5 Gutenberg and internal REST call support when ESI is embedded.
• ESI: ESI block ID is now in plain text in ESI URL parameters.
• 🐞ESI: Fixed a redundant ESI 301 redirect when comma is in ESI URL.
• ESI: REST call can now parse shortcodes in ESI.
• API: Changed ESI parse_esi_param() function to private and load_esi_block function to non-static.
• API: Added litespeed_is_json hook for buffer JSON conversion.
• GUI: Prepended plugin name to new version notification banner.
• 3rd: WPML multi domains can now be handled in optimization without CDN tricks.

2.9.3 – Feb 20 2019

• ESI: ESI shortcodes can now be saved in Gutenberg editor.
• ESI: ESI now honors the parent page JSON data type to avoid breaking REST calls (LSWS 5.3.6+).
• ESI: Added is_json parameter support for admin_bar.
• ESI: Simplified comment form code.
• 3rd: Better page builder plugin compatibility within AJAX calls.
• 3rd: Compatibility with FacetWP (LSWS 5.3.6+).
• 3rd: Compatibility with Beaver Builder.
• Debug: Added ESI buffer content to log.
• Tag: Only append blog ID to cache tags when site is part of a network.
• IAPI: Optimized database query for pulling images.
• GUI: Added more plugin version checking for better feature compatibility.
• GUI: Ability to bypass non-critical banners with the file .litespeed_no_banner.
• Media: Background image WebP replacement now supports quotes around src.

2.9.2 – Feb 5 2019

• API: Add a hook litespeed_esi_shortcode-* for ESI shortcodes.
• 3rd: WooCommerce can purge products now when variation stock is changed.
• 🐞🕷️: Forced HTTP1.1 for crawler due to a CURL HTTP2 bug.

2.9.1 – Jan 25 2019

• Compatibility: Fixed fatal error for PHP 5.3.
• Compatibility: Fixed PHP warning in htmlspecialchars when building URLs. (@souljahn2)
• Media: Excluded invalid image src from lazyload. (@andrew55)
• Optm: Improved URL compatibility when detecting closest cloud server.
• ESI: Supported JSON format comment format in ESI with is_json parameter.
• API: Added filters to CCSS/CSS/JS content. (@lhoucine)
• 3rd: Improved comment compatibility with Elegant Divi Builder.
• IAPI: New Europe Image Optimization server (EU5). Please whitelist the new IAPI IP List.
• GUI: No longer show banners when Disable All in Debug is ON. (@rabbitwordpress)
• GUI: Fixed button style for RTL languages.
• GUI: Removed unnecessary translation in report.
• GUI: Updated readme wiki links.
• GUI: Fixed pie styles in image optimization page.

2.9 – Dec 31 2018

• 🌱Media: Lazy Load Image Classname Excludes. (@thinkmedia)
• 🌱: New EU/AS cloud servers for faster image optimization handling.
• 🌱: New EU/AS cloud servers for faster CCSS generation.
• 🌱: New EU/AS cloud servers for faster responsive placeholder generation.
• 🌱Conf: Ability to set single options via link.
• 🌱Cache: Ability to add custom TTLs to Force Cache URIs.
• Purge: Added post type to Purge tags.
• Purge: Redefined CCSS page types.
• Core: Using Exception for .htaccess R/W.
• IAPI: New cloud servers added. Please whitelist the new IAPI IP List.
• Optm: Trim BOM when detecting if the page is HTML.
• GUI: Added PageSpeed Score comparison into promotion banner.
• GUI: Refactored promotion banner logic.
• GUI: Removed page optimized comment when ESI Silence is requested.
• GUI: WHM transient changed to option instead of transient when storing.
• GUI: Appending more descriptions to CDN filetype setting.
• IAPI: Removed duplicate messages.
• IAPI: Removed taken_failed/client_pull(duplicated) status.
• Debug: Environment report no longer generates hash for validation.
• 3rd: Non-cacheable pages no longer punch ESI holes for Divi compatibility.
• 🐞Network: Added slashes for mobile rules when activating plugin.
• 🐞CCSS: Eliminated a PHP notice when appending CCSS.

2.8.1 – Dec 5 2018

• 🐞🕷️: Fixed an activation warning related to cookie crawler. (@kacper3355 @rastel72)
• 🐞Media: Replace safely by checking if pulled images is empty or not first. (@Monarobase)
• 3rd: Shortcode ESI compatibility with Elementor.

2.8 – Nov 30 2018

• 🌱: ESI shortcodes.
• 🌱: Mobile crawler.
• 🌱: Cookie crawler.
• API: Can now add _litespeed_rm_qs=0 to bypass Remove Query Strings.
• Optm: Removed error log when minify JS failed.
• 🐞Core: Fixed a bug that caused network activation PHP warning.
• Media: Removed canvas checking for WebP to support TOR. (@odeskumair)
• Media: Eliminated potential image placeholder PHP warning.
• 3rd: Bypassed Google recaptcha from Remove Query Strings for better compatibility.
• IAPI: Showed destroy timeout details.
• Debug: Moved Google Fonts log to advanced level.
• GUI: Replaced all Learn More links for functions.
• GUI: Cosmetic updates including Emoji.
• 🕷️: Removed duplicated data in sitemap and blacklist.

2.7.3 – Nov 26 2018

• Optm: Improved page render speed with Web Font Loader JS library for Load Google Fonts Asynchronously.
• Optm: Directly used JS library files in plugin folder instead of short links /min/.
• Optm: Handled exceptions in JS optimization when meeting badly formatted JS.
• 3rd: Added Adobe Lightroom support for NextGen Gallery.
• 3rd: Improved Postman app support for POST JSON requests.
• IAPI: US3 server IP changed to 68.183.60.185.

2.7.2 – Nov 19 2018

• 🌱: Auto Upgrade feature.
• CDN: Bypass CDN for cron to avoid WP jQuery deregister warning.

2.7.1 – Nov 15 2018

• 🌱CLI: Ability to set CDN mapping by set_option litespeed-cache-cdn_mapping[url][0] https://url.
• 🌱CDN: Ability to customize default CDN mapping data in default.ini.
• 🌱API: Default.ini now supports both text-area items and on/off options.
• Vary: Refactored Vary and related API.
• Vary: New hook to manipulate vary cookies value.
• Core: Activation now can generate Object Cache file.
• Core: Unified Object Cache/rewrite rules generation process across activation/import/reset/CLI.
• Core: Always hook activation to make activation available through the front end.
• 🐞IAPI: Fixed a bug where environment report gave incorrect image optimization data.
• 🐞OLS: Fixed a bug where login cookie kept showing a warning on OpenLiteSpeed.
• 🐞Core: Fixed a bug where Import/Activation/CLI was missing CDN mapping settings.
• API: Filters litespeed_cache_media_lazy_img_excludes/litespeed_optm_js_defer_exc passed-in parameter is changed from string to array.

2.7 – Nov 2 2018

• 🌱: Separate Purge log for better debugging.
• 3rd: Now fully compatible with WPML.
• IAPI: Sped up Image Optimization workflow.
• GUI: Current IP now shows in Debug settings.
• GUI: Space separated placeholder queue list for better look.
• IAPI: EU3 server IP changed to 165.227.131.98.

2.6.4.1 – Oct 25 2018

• 🔥🐞Media: Fixed a bug where the wrong table was used in the Image Optimization process.
• IAPI: IAPI v2.6.4.1.

2.6.4 – Oct 24 2018

• 🌱: Ability to create custom default config options per hosting company.
• 🌱: Ability to generate mobile Critical CSS.
• 🐞Media: Fixed a bug where Network sites could incorrectly override optimized images.
• 🐞CDN: Fixed a bug where image URLs containing backslashes were matched.
• Cache: Added default Mobile UA config setting.
• GUI: Fixed unknown shortcut characters for non-English languages Setting tabs.

2.6.3 – Oct 18 2018

• 🌱: Ability to Reset All Options.
• 🌱CLI: Added new lscache-admin reset_options command.
• GUI: Added shortcuts for more of the Settings tabs.
• Media: Updated Lazy Load JS library to the most recent version.
• There is no longer any need to explicitly Save Settings upon Import.
• Remove Query String now will remove all query strings in JS/CSS static files.
• IAPI: Added summary info to debug log.

2.6.2 – Oct 11 2018

• Setting: Automatically correct invalid numeric values in configuration settings upon submit.
• 🐞Media: Fixed the issue where iframe lazy load was broken by latest Chrome release. (@ofmarconi)
• 🐞: Fixed an issue with Multisite where subsites failed to purge when only primary site has WooCommerce . (@kierancalv)

2.6.1 – Oct 4 2018

• 🌱: Ability to generate separate Critical CSS Cache for Post Types & URIs.
• API: Filter litespeed_frontend_htaccess for frontend htaccess path.
• Media: Removed responsive placeholder generation history to save space.

2.6.0.1 – Sep 24 2018

• 🔥🐞: Fixed an issue in responsive placeholder generation where redundant history data was being saved and using a lot of space.

2.6 – Sep 22 2018

• Vary: Moved litespeed_cache_api_vary hook outside of OLS condition for .htaccess generation.
• CDN: Trim spaces in original URL of CDN setting.
• API: New filter litespeed_option_ to change all options dynamically.
• API: New LiteSpeed_Cache_API::force_option() to change all options dynamically.
• API: New LiteSpeed_Cache_API::vary() to set default vary directly for easier compaitiblity with WPML WooCommerce Multilingual.
• API: New LiteSpeed_Cache_API::nonce() to safely and easily allow caching of wp-nonce.
• API: New LiteSpeed_Cache_API::hook_vary_add() to add new vary.
• Optm: Changed HTML/JS/CSS optimization options assignment position from constructor to finalize().
• Doc: Added nonce to FAQ and mentioned nonce in 3rd Party Compatibility section.
• GUI: Moved inline minify to under html minify due to the dependency.
• 3rd: Cached Aelia CurrencySwitcher by default.
• 🐞: Fixed issue where enabling remote JQuery caused missing jquery-migrate library error.

2.5.1 – Sep 11 2018

• 🌱 Responsive placeholder. (@szmigieldesign)
• Changed CSS::ccss_realpath function scope to private.
• 🐞 Detected JS filetype before optimizing to avoid PHP source conflict. (@closte #50)

2.5 – Sep 6 2018

• [IMPROVEMENT] CLI can now execute Remove Original Image Backups. (@Shon)
• [UPDATE] Fixed issue where WP-PostViews documentation contained extra slashes. (#545638)
• [UPDATE] Check LITESPEED_SERVER_TYPE for more accurate LSCache Disabled messaging.
• [IAPI] Fixed a bug where optimize/fetch error notification was not being received. (@LucasRolff)

2.4.4 – Aug 31 2018

• [NEW] CLI can now support image optimization. (@Shon)
• [IMPROVEMENT] GUI Cron/CLI will not create admin message anymore.
• [UPDATE] Media Fixed a PHP notice that appeared when pulling optimized images.
• [UPDATE] Fixed a PHP notice when detecting origin of ajax call. (@iosoft)
• [DEBUG] Debug log can now log referer URL.
• [DEBUG] Changes to options will now be logged.

2.4.3 – Aug 27 2018

• [NEW] Media Ability to inline image lazyload JS library. (@Music47ell)
• [IMPROVEMENT] Media Deleting images will now clear related optimization file & info too.
• [IMPROVEMENT] Media Non-image postfix data will now be bypassed before sending image optimization request.
• [BUGFIX] CDN CDN URL will no longer be replaced during admin ajax call. (@pankaj)
• [BUGFIX] CLI WPCLI can now save options without incorrectly clearing textarea items. (@Shon)
• [GUI] Moved Settings above Manage on the main menu.

2.4.2 – Aug 21 2018

• [IMPROVEMENT] Media Sped up Image Optimization process by replacing IAPI server pull communication.
• [IMPROVEMENT] Media Ability to delete optimized WebP/original image by item in Media Library. (@redgoodapple)
• [IMPROVEMENT] CSS Optimize Generate new optimized CSS name based on purge timestamp. Allows CSS cache to be cleared for visitors. (@bradbrownmagic)
• [IMPROVEMENT] API added litespeed_img_optm_options_per_image. (@gintsg)
• [UPDATE] Stopped showing “No Image Found” message when all images have finished optimization. (@knutsp)
• [UPDATE] Improved a PHP warning when saving settings. (@sergialarconrecio)
• [UPDATE] Changed backend adminbar icon default behavior from Purge All to Purge LSCache.
• [UPDATE] Clearing CCSS cache will clear unfinished queue too.
• [UPDATE] Added “$” exact match when adding URL by frontend adminbar dropdown menu, to avoid affecting any sub-URLs.
• [UPDATE] Fixed IAPI error message showing array bug. (@thiomas)
• [UPDATE] Debug Disable All will do a Purge All.
• [UPDATE] Critical CSS server IP changed to 142.93.3.57.
• [GUI] Showed plugin update link for IAPI version message.
• [GUI] Bypassed null IAPI response message.
• [GUI] Grouped related settings with indent.
• [IAPI] Added 503 handler for IAPI response.
• [IAPI] IAPI v2.4.2.
• [IAPI] Center Server IP Changed from 34.198.229.186 to 142.93.112.87.

2.4.1 – Jul 19 2018

• [NEW FEATURE] Media Auto Level Up. Auto refill credit.
• [NEW FEATURE] Media Auto delete original backups after pulled. (@borisov87 @JMCA2)
• [NEW FEATURE] Media Auto request image optimization. (@ericsondr)
• [IMPROVEMENT] Media Fetch 404 error will notify client as other errors.
• [IMPROVEMENT] Media Support WebP for PageSpeed Insights. (@LucasRolff)
• [BUGFIX] CLI Fixed the issue where CLI import/export caused certain textarea settings to be lost. (#767519)
• [BUGFIX] CSS Optimize Fixed the issue that duplicated optimized CSS and caused rapid expansion of CSS cache folder.
• [GUI] Media Refactored operation workflow and interface.
• [UPDATE] Media Set timeout seconds to avoid pulling timeout. (@Jose)
• [UPDATE] CDNFixed the notice when no path is in URL. (@sabitkamera)
• [UPDATE] Media Auto correct credits when pulling.
• [UPDATE] GUI Removed redundant double quote in gui.cls. (@DaveyJake)
• [IAPI] IAPI v2.4.1.
• [IAPI] Allow new error status notification and success message from IAPI.

2.4 – Jul 2 2018

• [NEW FEATURE] Media Added lossless optimization.
• [NEW FEATURE] Media Added Request Orignal Images ON/OFF.
• [NEW FEATURE] Media Added Request WebP ON/OFF. (@JMCA2)
• [IMPROVEMENT] Media Improved optimization tools to archive maximum compression and score.
• [IMPROVEMENT] Media Improved speed of image pull.
• [IMPROVEMENT] Media Automatically recover credit after pulled.
• [REFACTOR] Config Separated configure const class.
• [BUGFIX] Report Report can be sent successfully with emoji now. (@music47ell)
• [IAPI] New Europe Image Optimization server (EU3/EU4).
• [IAPI] New America Image Optimization server (US3/US4/US5/US6).
• [IAPI] New Asian Image Optimization server (AS3).
• [IAPI] Refactored optimization process.
• [IAPI] Increased credit limit.
• [IAPI] Removed request interval limit.
• [IAPI] IAPI v2.4.
• We strongly recommended that you re-optimize your image library to get a better compression result.

2.3.1 – Jun 18 2018

• [IMPROVEMENT] New setting to disable Generate Critical CSS. (@cybmeta)
• [IMPROVEMENT] Added filter to can_cdn/can_optm check. (@Jacob)
• [UPDATE] Critical CSS Added 404 css. Limit cron interval.
• [UPDATE] AJAX will not bypass CDN anymore by default. (@Jacob)
• [GUI] Show Disable All Features warning if it is on in Debug tab.

2.3 – Jun 13 2018

• [NEW FEATURE] Automatically generate critical CSS. (@joeee @ivan_ivanov @3dseo)
• [BUGFIX] “Mark this page as…” from dropdown menu will not reset settings anymore. (@cbratschi)

2.2.7 – Jun 4 2018

• [IMPROVEMENT] Improved redirection for manual image pull to avoid too many redirections warning.
• [IAPI] Increased credit limit.
• [BUGFIX] Fixed 503 error when enabling log filters in Debug tab. (#525206)
• [UPDATE] Improve compatibility when using sitemap url on servers with allow_url_open off.
• [UPDATE] Removed Crawler HTTP2 option due to causing no-cache blacklist issue for certain environments.
• [UPDATE] Privacy policy can be now translated. (@Josemi)
• [UPDATE] IAPI Increased default img request max to 3000.

2.2.6 – May 24 2018

• [NEW FEATURE] Original image backups can be removed now. (@borisov87 @JMCA2)
• [BUGFIX] Role Excludes in Tuning tab can save now. (@pako69)
• [UPDATE] Added privacy policy support.

2.2.5 – May 14 2018

• [IAPI] Image Optimization New Asian Image Optimization server (AS2).
• [INTEGRATION] Removed wpForo 3rd party file. (@massimod)

2.2.4 – May 7 2018

• [IMPROVEMENT] Improved compatibility with themes using the same js_min library. (#129093 @Darren)
• [BUGFIX] Fixed a bug when checking image path for dynamic files. (@miladk)
• [INTEGRATION] Compatibility with Universal Star Rating. (@miladk)

2.2.3 – Apr 27 2018

• [NEW FEATURE] WebP For Extra srcset setting in Media tab. (@vengen)
• [REFACTOR] Removed redundant LS consts.
• [REFACTOR] Refactored adv_cache generation flow.
• [BUGFIX] Fixed issue where inline JS minify exception caused a blank page. (@oomskaap @kenb1978)
• [UPDATE] Changed HTTP/2 Crawl default value to OFF.
• [UPDATE] Added img.data-src to default WebP replacement value for WooCommerce WebP support.
• [UPDATE] Detached crawler from LSCache LITESPEED_ON status.
• [API] Improved ESI API to honor the cache control in ESI wrapper.
• [API] Added LITESPEED_PURGE_SILENT const to bypass the notification when purging
• [INTEGRATION] Fixed issue with nonce expiration when using ESI API. (#923505 @Dan)
• [INTEGRATION] Improved compatibility with Ninja Forms by bypassing non-javascript JS from inline JS minify.
• [INTEGRATION] Added a hook for plugins that change the CSS/JS path e.g. Hide My WordPress.

2.2.2 – Apr 16 2018

• [NEW FEATURE] WebP Attribute To Replace setting in Media tab. (@vengen)
• [IMPROVEMENT] Generate adv_cache file automatically when it is lost.
• [IMPROVEMENT] Improved compatibility with ajax login. (@veganostomy)
• [UPDATE] Added object cache lib check in case user downgrades LSCWP to non-object-cache versions.
• [UPDATE] Avoided infinite loop when users enter invalid hook values in Purge All Hooks settings.
• [UPDATE] Updated log format in media&cdn class.
• [UPDATE] Added more items to Report.

2.2.1 – Apr 10 2018

• [NEW FEATURE] Included Directories setting in CDN tab. (@Dave)
• [NEW FEATURE] Purge All Hooks setting in Advanced tab.
• [UPDATE] Added background-image WebP replacement support. (@vengen)
• [UPDATE] Show recommended values for textarea items in settings.
• [UPDATE] Moved CSS/JS optimizer log to Advanced level.
• [INTEGRATION] Added WebP support for Avada Fusion Sliders. (@vengen)

2.2.0.2 – Apr 3 2018

• [HOTFIX] Object Cache Fixed the PHP warning caused by previous improvement to Object Cache.

2.2.0.1 – Apr 3 2018

• [HOTFIX] Object parameter will no longer cause warnings to be logged for Purge and Cache classes. (@kelltech @khrifat)
• [UPDATE] Removed duplicated del_file func from Object Cache class.
• [BUGFIX] CLI no longer shows 400 error upon successful result.

2.2 – Apr 2 2018

• [NEW FEATURE] Debug Disable All Features setting in Debug tab. (@monarobase)
• [NEW FEATURE] Cache Force Cacheable URIs setting in Excludes tab.
• [NEW FEATURE] Purge Purge all LSCache and other caches in one link.
• [REFACTOR] Purge Refactored Purge class.
• [BUGFIX] Query strings in DoNotCacheURI setting now works.
• [BUGFIX] Cache Mobile cache compatibility with WebP vary. (@Shivam #987121)
• [UPDATE] Purge Moved purge_all to Purge class from core class.
• [API] Set cacheable/Set force cacheable. (@Jacob)

2.1.2 – Mar 28 2018

• [NEW FEATURE] Image Optimization Clean Up Unfinished Data feature.
• [IAPI] IAPI v2.1.2.
• [IMPROVEMENT] CSS/JS Minify Reduced loading time significantly by improving CSS/JS minify loading process. (@kokers)
• [IMPROVEMENT] CSS/JS Minify Cache empty JS Minify content. (@kokers)
• [IMPROVEMENT] Cache Cache 301 redirect when scheme/host are same.
• [BUGFIX] Media Lazy load now can support WebP. (@relle)
• [UPDATE] CSS/JS Optimize Serve static files for CSS async & lazy load JS library.
• [UPDATE] Report Appended Basic/Advanced View setting to Report.
• [UPDATE] CSS/JS Minify Removed zero-width space from CSS/JS content.
• [GUI] Added Purge CSS/JS Cache link in Admin.

2.1.1.1 – Mar 21 2018

• [BUGFIX] Fixed issue where activation failed to add rules to .htaccess.
• [BUGFIX] Fixed issue where 304 header was blank on feed page refresh.

2.1.1 – Mar 20 2018

• [NEW FEATURE] Browser Cache Unlocked for non-LiteSpeed users.
• [IMPROVEMENT] Image Optimization Fixed issue where images with bad postmeta value continued to show in not-yet-requested queue.

2.1 – Mar 15 2018

• [NEW FEATURE] Image Optimization Unlocked for non-LiteSpeed users.
• [NEW FEATURE] Object Cache Unlocked for non-LiteSpeed users.
• [NEW FEATURE] Crawler Unlocked for non-LiteSpeed users.
• [NEW FEATURE] 数据库清理和优化 Unlocked for non-LiteSpeed users.
• [NEW FEATURE] Lazy Load Images Unlocked for non-LiteSpeed users.
• [NEW FEATURE] CSS/JS/HTML Minify/Combine Optimize Unlocked for non-LiteSpeed users.
• [IAPI] IAPI v2.0.
• [IAPI] Increased max rows prefetch when client has additional credit.
• [IMPROVEMENT] CDN Multiple domains may now be used.
• [IMPROVEMENT] Report Added WP environment constants for better debugging.
• [REFACTOR] Separated Cloudflare CDN class.
• [BUGFIX] Image Optimization Fixed issue where certain MySQL version failed to create img_optm table. (@philippwidmer)
• [BUGFIX] Image Optimization Fixed issue where callback validation failed when pulling and sending request simultaneously.
• [GUI] Added Slack community banner.
• [INTEGRATION] CDN compatibility with WPML multiple domains. (@egemensarica)

2.0 – Mar 7 2018

• [NEW FEATURE] Image Optimization Added level up guidance.
• [REFACTOR] Image Optimization Refactored Image Optimization class.
• [IAPI] Image Optimization New European Image Optimization server (EU2).
• [IMPROVEMENT] Image Optimization Manual pull action continues pulling until complete.
• [IMPROVEMENT] CDN Multiple CDNs can now be randomized for a single resource.
• [IMPROVEMENT] Image Optimization Improved compatibility of long src images.
• [IMPROVEMENT] Image Optimization Reduced runtime load.
• [IMPROVEMENT] Image Optimization Avoid potential loss/reset of notified images status when pulling.
• [IMPROVEMENT] Image Optimization Avoid duplicated optimization for multiple records in Media that have the same image source.
• [IMPROVEMENT] Image Optimization Fixed issue where phantom images continued to show in not-yet-requested queue.
• [BUGFIX] Core Improved compatibility when upgrading outside of WP Admin. (@jikatal @TylorB)
• [BUGFIX] Crawler Improved HTTP/2 compatibility to avoid erroneous blacklisting.
• [BUGFIX] Crawler Changing Delay setting will use server variable for min value validation if set.
• [UPDATE] Crawler Added HTTP/2 protocol switch in the Crawler settings.
• [UPDATE] Removed unnecessary translation strings.
• [GUI] Display translated role group name string instead of English values. (@Richard Hordern)
• [GUI] Added Join LiteSpeed Slack link.
• [GUI] Import / Export Cosmetic changes to Import Settings file field.
• [INTEGRATION] Improved compatibility with WPML Media for Image Optimization. (@szmigieldesign)

1.9.1.1 – February 20 2018

• [补丁] 当无角色模拟设定时移除了空爬虫。

1.9.1 – February 20 2018

• [新功能] 角色模拟爬虫。
• [新功能] WebP多爬虫。
• [新功能] HTTP/2 爬虫支持。
• [补丁] 修正了当开启缓存手机时自动完成手机用户代理的问题。
• [补丁] 修正了激活时的常量未定义错误。
• [界面] 当自定义站点地图使用时，站点地图生成设定不再隐藏。

1.9 – February 12 2018

• [新功能] 内嵌 CSS/JS 最小化。
• [改进] 去掉了 Composer vendor 以瘦身。
• [更新] 调整 H2 为 H1 在管理界面中。 (@steverep)
• [界面] 基本视图中增加了手机用户代理设定。
• [界面] 移动对象缓存和浏览器缓存到高级选项卡。
• [界面] 移动LSCache清除从管理员条到下拉菜单中。

1.8.3 – February 2 2018

• [新功能] 爬虫服务器变量限定。
• [改进] 增加了存储Transients选项以修复transient在对象缓存中丢失的问题。
• [改进] 调整了 ARIA 支持。 (@steverep)
• [改进] 使用 strpos 代替 strncmp 以得到更好性能。 (@Zach E)
• [补丁] Transient缓存现在可以移除了。
• [补丁] 站点网络现在可以保存高级设定了。
• [补丁] 媒体列表现在可以显示在网络站点中了。
• [补丁] 显示爬虫状态按钮现在可以使用了。
• [更新] 修正了一些在网络站点选项卡和vary群组未设置时的PHP警告。
• [界面] 设置页面中增加了了解更多的链接。

1.8.2 – January 29 2018

• [新功能] 高级选项卡中的即时点击。
• [新功能] 导入导出设定。
• [新功能] Opcode缓存支持。
• [新功能] 基本和高级设定视图。
• [改进] 小部件设定中增加了ARIA支持。
• [补丁] 多WordPress实例使用同一对象缓存地址现在不会再交叉数据了。
• [补丁] WebP替换可在站点网络级别设定了。
• [补丁] 对象缓存现在可以在站点网络级别卸载时移除了。

1.8.1 – January 22 2018

• [新功能] 对象缓存增加支持Redis。
• [改进] Mmecached对象缓存现在可以支持授权模式。
• [改进] 当对象缓存未安装相应的PHP扩展时不再显示500错误。
• [补丁] 对象缓存现在可以在站点网络保存。
• [补丁] 必用插件现在可以支持站点网络设定。
• [补丁] 修正了管理员条显示错误的编辑页面链接。
• [更新] 移除了当没有Memcached服务器的时候的警告信息。

1.8 – January 17 2018

• [新功能] 对象缓存。
• [重构] 重构了日志类。
• [重构] 重构了LSCWP的基本常量初始化。
• [补丁] 修正了Cloudflare域名搜索在超过50个域名的账户下出错的问题。
• [更新] 过滤器记录设定现在使用单独的表项目存储。

1.7.2 – January 5 2018

• [新功能] Cloudflare API支持。
• [改进] IAPI秘钥现在当域名更改时可以被重置。
• [补丁] 修正了JS优化器导致特定插件js出错的问题。
• [更新] 增加了cdn设定到环境报告。
• [界面] 增加了更多的后台管理员条快捷键。
• [扩展] WooCommerce访客现在如果购物车为空时可以使用公开缓存。

1.7.1.1 – December 29 2017

• [补丁] 修正了在保存多行DNS预读取设定时产生的额外末尾下划线。
• [更新] 清理了无用的依赖库文件。

1.7.1 – December 28 2017

• [新功能] 在优化选项卡中增加了DNS预读取的设定。
• [新功能] 在调整选项卡中增加了合并文件最大值设定。
• [改进] 改进了JS/CSS最小化以得到更高的页面评分。
• [改进] 优化JS/CSS文件在OLS或者ESI关闭时将不再储存为私有缓存。
• [更新] 修正了新安装WordPress在设定页面可能看到警告的问题。
• [更新] 修正了游客偶尔看到PHP警告的问题。
• [补丁] 修正了改进HTTPS兼容设定保存失败的bug。
• 感谢所有用户对我们的支持和鼓励！新年快乐！
• 2018，我们回来了！

1.7 – December 22 2017

• [新功能] 缓存时丢弃 Query String的选项。
• [新功能] 多CDN路由设定。
• [改进] 在高级选项卡中改进HTTP/HTTPS兼容性的设定。
• [改进] 当在设置中排除JS/CSS时保持其HTML中的原始位置。
• [IAPI] 在图片优化数据被销毁时重置用户等级和点数。
• [重构] 重构了在 admin_display 类中的 build_input/textarea 函数。
• [重构] 重构了CDN类。
• [外观] 增加了图片优化和抓取页面中如果缓存被禁用的提示。
• [外观] 改进了媒体列表中的图片优化指示器。

1.6.7 – December 15 2017

• [IAPI] 增加了扫描新图片缩略图尺寸并自动发送图片请求的功能。
• [IAPI] 增加了销毁全部优化数据的功能。
• [IAPI] 升级了IAPI到v1.6.7。
• [整合] 修正了特定的第三方插件调用REST时不携带用户信息导致的登录用户看到访客缓存的问题。

1.6.6.1 – December 8 2017

• [IAPI] 限制第一次提交的新用户只能提交一组照片以做测试运行。
• [补丁] 修正了Vary群组生成时同自定义用户组的插件兼容问题。
• [补丁] 修正了当关闭ESI时WooCommerce登录用户被错误的清除缓存的问题。
• [补丁] 修正了关闭ESI时WooCommerce缓存丢失的问题。

1.6.6 – December 6 2017

• [新功能] 保留EXIF信息选项。
• [新功能] Debug日志查看器中的清空日志按钮。
• [IAPI] 修正了当取回时已通知图片被重置的问题。
• [IAPI] 修正了图片优化初始化时的HTTPS兼容。
• [IAPI] 当图片优化请求提交时如果点数不够现在可以显示一个错误信息。
• [IAPI] IAPI v1.6.6.
• [改进] 支持JS的data-no-optimize属性以跳过优化。
• [界面] 新增图片群组的维基链接。
• [兼容] 改进了和Login With Ajax的兼容性。
• [兼容] 增加了WooCommerce的定义检查以避免500错误。

1.6.5.1 – December 1 2017

• [补丁] 修正了在修改 .htaccess 页面上的警告信息。

1.6.5 – November 30 2017

• [IAPI] 手工取回图片优化的功能按钮。
• [IAPI] 图片优化的自动点数系统，以跳过未完成图片优化的错误。
• [IAPI] 从 LiteSpeed 图片服务器通知优化失败的图片。
• [IAPI] 重置/清空失败的图片功能。
• [IAPI] 从新设计了报告页面。
• [重构] 将取回已优化图片的逻辑从 admin_api 移至 media。
• [补丁] 修正了当allow_url_open设置为off时的图片优化取回兼容性问题。
• [补丁] 修正了登录用户有时会看到访客缓存的问题。
• [更新] 环境报告不再保存成文件。
• [更新] 移除了爬虫重置提醒信息。
• [界面] 增加了更多图片优化的细节信息。
• [界面] 移除了管理员菜单上的信息页面。
• [界面] 将环境报告从多站点的主网络设定移至单个站点设定。
• [界面] 爬虫时间显示人性化。
• [兼容] 改善了同 FacetWP 的 json 请求的兼容。

1.6.4 – November 22 2017

• [新功能] 单独发送环境报告并自动生成报告号码功能。
• [IAPI] 增加了请求超时时间以修正cUrl 28 超时问题。
• [补丁] 修正了TTL最大值检测的错误。
• [整合] 改进了已登录用户的 Contact Form 7 的 REST 请求兼容性。
• 感谢您的评分。这回鼓励我们更加努力。感恩节快乐。

1.6.3 – November 17 2017

• [新功能] 只同步Google字体的选项。
• [新功能] 优化时只创建WebP图片的选项。
• [新功能] 在图片优化中批量切合图片到原始版本活优化后版本的功能。
• [新功能] 浏览器缓存选项。
• [新功能] 缓存WooCommerce购物车的选项。
• [改进] 移动已优化的 JS/CSS 代码到HTML头部的的meta charset之后。
• [改进] 增加了一个常量以提高当WordPress安装在不同文件夹时JS/CSS优化的兼容性。
• [IAPI] 验证失败的回调请求现在将被接管而不被跳过。
• [IAPI] 图片优化请求限制为单次500个图片。
• [补丁] 修正了HTML元素属性值含有 – 时解析失败的错误。
• [补丁] 修正了当未启用合并时 non-script 代码被移动到页面顶端的错误。
• [更新] 新增站外链接检测的详细日志。
• [更新] 页尾的注释新增新换行以避免当启用HTML最小化时Firefox的崩溃。
• [API] 私有清除 / 清除全部私有 / 新增私有标签 等功能。
• [界面] 从新设计了媒体图片列表中的图片优化操作按钮。
• [界面] 调整了后台保存按钮的位置。
• [界面] 在图片优化里新增了“了解更多”链接。

1.6.2.1 – November 6 2017

• [整合] 改进了和旧版本的WooCommerce的兼容性以避免500错误。
• [补丁] 修正了WebP图片有时会显示在不支持它的浏览器中的问题。
• [补丁] 推送HTTP/2时保持Query String以避免重复抓取已推送源文件的问题。
• [补丁] 从HTTP/2推送中排除使用CDN的 JS/CSS。
• [界面] 修正了媒体列表页面的笔误。
• [界面] 将图片优化页面字串做成可翻译。
• [界面] 更新了调整选项卡的描述以包含API文档。

1.6.2 – November 3 2017

• [新功能] 不缓存角色。
• [新功能] 对支持WebP的浏览器显示WebP文件。
• [新功能] 在媒体选项卡中禁用优化抓取的切合。
• [新功能] 在媒体列表中重置图片优化功能。
• [新功能] 在媒体列表中禁用/启用图片的WebP功能。
• [IAPI] 限制优化图片抓取任务为单线程。
• [IAPI] 升级了 IAPI 到 v1.6.2。
• [IAPI] 新增本地图片的错误状态以修正重复图片请求的问题。
• [重构] 重构了登录的vary逻辑。

1.6.1 – October 29 2017

• [IAPI] 升级了LiteSpeed图片优化服务器的API到v1.6.1。

1.6 – October 27 2017

• [新功能] 图片优化。
• [新功能] 优化功能的角色排除。
• [新功能] 合并的CSS/JS优先级。
• [改进] 登录注册页面跳过CDN。
• [更新] 扩展了ExpiresByType的规则，增加新的字体类型（感谢JMCA2）
• [更新] 移除了管理员操作链接中重复的type参数。
• [补丁] 修正了CDN错误替换图片的base64和假的JS src的问题。
• [补丁] 修正了图片延迟加载时替换base64源代码的问题。
• [补丁] 修正了Optimize类的异常检测的一个笔误。
• [界面] 后台设定界面上新增调整选项卡。
• [重构] 通过减少action增加type来简化路由。
• [重构] 在缓冲进程中重命名 run() 到 finalize()。

1.5 – October 17 2017

• [新功能] 排除 JQuery 以修复当使用JS整合时的内文JS错误。
• [新功能] 远程加载JQuery。
• [新功能] JS延迟加载排除。
• [新功能] 延迟加载图片排除。
• [新功能] 延迟加载图片占位符。
• [改进] 为w3c检测器改进了lazy load的size属性。
• [更新] 增加基本的缓存信息和LSCWP版本信息到html评论中。
• [更新] 增加了debug日志到html检测中。
• [补丁] 修正了使用CDN时潜在的字体CORS跨域问题。
• [界面] 在设定描述中增加了API文档。
• [重构] 重定位所有includes下面的类，并做了向下兼容处理。
• [重构] 重定位管理界面模版。

1.4 – October 11 2017

• [新功能] 延迟加载图片和框架。
• [新功能] 在数据库优化界面上的清理CSS/JS优化数据功能。
• [新功能] 从优化器中排除特定URI。
• [改进]改进了优化器的HTML检测兼容性以避免和ESI功能的冲突。
• [改进] 新增在匹配设定中匹配路径以 ^ 开始的功能。
• [改进] 新增CDN原始URL的通配符支持。
• [改进] 将优化器数据表初始化挪至管理员设定面板并给予失败警告。
• [更新] 新增一次性的欢迎横幅。
• [给你关心] 部分重定位类: ‘api’。
• [API] 新增移除包含 HTML 输出的上下标签的API。
• [兼容] 修正 WooCommerce 和优化器之间的冲突。
• [兼容] 私有缓存支持WooCommerce v3.2.0+。
• [界面] 新增不优化菜单到前台。

1.3.1.1 – October 6 2017

• [补丁] 改进了优化器数据表的创建过程以避免css/js最小化/整合失败。

1.3.1 – October 5 2017

• [新功能] 移除WP表情包功能。
• [改进] 从wp_options表分离了优化器数据以提高和备份插件的兼容。
• [改进] 增强了爬虫任务钩子以避免某些情况会丢失任务。
• [改进] 增强了移除Query String功能以移除表情的Query String。
• [改进] 增强了当额外的空格存在于开头时的HTML检测。
• [更新] 新增OLS私有缓存支持。
• [补丁] 跳转向自己的页面不再缓存。
• [补丁] 修订css异步加载类在 HTTP/2 push的错误。

1.3 – October 1 2017

• [新功能] 增加浏览器缓存支持。
• [新功能] 增加移除 Query String 支持。
• [新功能] 增加移除Google字体支持。
• [新功能] 增加异步加载CSS支持。
• [新功能] 增加异步加载JS支持。
• [新功能] 增加特定CSS规则支持。
• [新功能] 增加私有缓存URI支持。
• [新功能] 增加不缓存 Query String支持。
• [新功能] 增加了前台管理员条的快捷方式（清除本页/不缓存/私有缓存）。
• [改进] 不缓存URI设定现可支持完整的URL。
• [改进] 改善了不缓存设定的性能。
• [改进] 加密Vary Cookie。
• [改进] 增强了HTML优化。
• [改进] 限制合并文件的大小以避免出现高内存使用。
• [改进] CDN支持媒体文件的自定义上传路径。
• [API] 新增清除单个文章 API。
• [API] 新增版本对比 API。
• [API] 增强了给第三方插件用的ESI的API。
• [兼容] 同 NextGEN Gallery v2.2.14的兼容性。
• [兼容] 和Caldera Forms v1.5.6.2+的兼容。
• [补丁] 修正了CDN和最小化同css链接的兼容性。
• [补丁] 修正了即使没有变化.htaccess仍被重新生成的问题。
• [补丁] 修正了子文件夹安装WP时CDN路径错误。
• [补丁] 修正爬虫路径在子文件夹安装不同的站点URL和实际文件夹的WP实例时的路径错误。
• [补丁] 修正潜在的优化器生成冗余JS代码的bug。
• [界面] 新增在管理设定界面上更容易操作的保存按钮。
• [界面] 管理员界面美化。
• [界面] 重整了界面的css/img文件夹结构。
• [重构] 重构配置初始化逻辑。
• [重构] 重构管理设定保存逻辑。
• [重构] 重构了.htaccess操作符和重写规则的生成。

1.2.3.1 – September 20 2017

• [更新] 改进 PHP5.3 兼容。

1.2.3 – September 20 2017

• [新功能] 新增CDN支持。
• [改进] 改进了升级时一个致命错误的兼容性。
• [改进] 增加了对自定义wp-content路径的支持。
• [补丁] 修正了非首选网络博客不能最小化的问题。
• [补丁] 修正HTML最小化导致Facebook不能解析og标签的问题。
• [补丁] 预览页面将不再缓存。
• [补丁] 修正日志和爬虫中时区以使其匹配WP时区。
• [界面] 翻新插件 GUI。

1.2.2 – September 15 2017

• [新功能] 新增 CSS/JS 最小化。
• [新功能] 新增 CSS/JS 合并。
• [新功能] 新增 CSS/JS HTTP/2 服务器推送。
• [新功能] 新增HTML最小化。
• [新功能] 管理界面上新增了CSS/JS缓存清除按钮。
• [更新] 改进了debug日志格式。
• [更新] 修正了描述笔误。

1.2.1 – September 7 2017

• [新功能] 增加了数据库优化器。
• [新功能] 增加了前后选项卡的快捷键。
• [改进] 在管理页面中增加了缓存禁用的检查。
• [改进] 重命名了.htaccess备份文件以提高安全。
• [补丁] 修正了WooCommerce默认ESI设置的错误。
• [重构] 在OLS中也显示ESI页面。
• [重构] 管理清除界面更新。

1.2.0.1 – September 1 2017

• [补丁] 修正了网络变量ON2的命名错误。

1.2.0 – September 1 2017

• [新功能] 新增了ESI支持。
• [新功能] 增加了私有缓存的TTL设置。
• [新功能] Debug等级现可调整为基本或高级。
• [重构] 在config类中重命名了常量NOTSET为ON2。

1.1.6 – August 23 2017

• [新功能] 增加了登录用户私有缓存的功能。
• [新功能] 增加了设定评论者的私有缓存功能。
• [新功能] 增加了缓存WordPress REST API请求的缓存功能。
• [补丁] 修正了网络第三方全页面缓存探测的bug。
• [外观] 设定中新的缓存和清除菜单。

1.1.5.1 – August 16 2017

• [改进] 改进了当站点地址和安装地址不同时.htaccess前后台的路径探测。
• [更新] 移除了头标签中不用的格式字串。
• [补丁] showheader管理员字串不工作。
• [重构] 缓存标签如无需要将不再输入。

1.1.5 – August 10 2017

• [新功能] 计划时间清除URL的功能。
• [新功能] 增加了缓冲回调以改善某些插件强制缓存清除的兼容。
• [新功能] 在缓存禁用时自动隐藏管理员条上的清除全部的快捷按钮。
• [新功能] 必需的htaccess规则现在将显示出来，当.htaccess不可写时。
• [新功能] Debug日志功能；日志过滤；心跳包控制；日志格式尺寸限制；日志查看。
• [改进] 分离了爬虫日志。
• [改进] 延迟清除现在可以在内容发出后依然生效。
• [改进] 改进了 readme.txt的关键词相关内容。
• [更新] ExpiresDefault 冲突信息现在可以关闭，并且仅显示在.htaccess 编辑屏幕。
• [更新] 改进了debug日志格式。
• [扩展] MainWP兼容。
• [补丁] 修订了Woocommerce订单不能清除产品库存的问题。
• [补丁] 修订了Woocommerce计划销售价格不更新的问题。
• [重构] 整合了cache_enable函数到一个位置。

1.1.4 – August 1 2017

• [改进] 未知重写规则现在可以显示一个错误信息。
• [改进] 增加了缓存标签前缀设定信息在环境报告和信息页的显示。
• [改进] LSCWP设定链接现在可以在插件列表中显示了。
• [改进] 改进了设定缓存控制的性能。
• [更新] 增加了 v1.1.2.2 API 调用的兼容。
• [补丁] 修正了WPCLI清除标签和分类不成功的问题。

1.1.3 – July 31 2017

• [新功能] 新的LiteSpeed_Cache_API类和文档提供给第三方插件使用。
• [新功能] 新的API函数litespeed_purge_single_post($post_id)
• [新功能] PHP CLI支持爬虫。
• [改进] 同地址的301跳转现在设定不缓存。
• [改进] 改进了LiteSpeed页面尾部注释信息的兼容。
• [更新] 移除了缓存标签前缀设定。
• [补丁] 修正了CLI 清除全部时的问题。
• [补丁] 爬虫现在遵循X-LiteSpeed-Cache-Control的不缓存头信息。
• [补丁] 缓存和重写规则现在可以在插件卸载时清除了。
• [补丁] 避免了当advanced-cache.php被其它插件增加时的不正常移除。
• [补丁] 修订了子文件夹安装WP时不能使用完整的url路径清除的问题。
• [重构] 重新组织了已有代码，以便ESI发布。

1.1.2.2 – July 13 2017

• [补丁] 修正了Hebrew语言中空白页面的问题。

1.1.2.1 – July 5 2017

• [更新] 改进了WooCommerce v3.1.0的兼容。

1.1.2 – June 20 2017

• [补丁] 修正了遗失关闭标签。
• [更新] 增加了激活爬虫的维基链接。
• [更新] 改进了站点ip介绍。
• [更新] 增加了爬虫信息介绍。
• [重构] 增加了详细的错误信息在站点ip和自定义站点地图设定中。

1.1.1.1 – June 15 2017

• [补丁] 站点ip验证的修订。

1.1.1 – June 15 2017

• [新功能] LiteSpeed 网页服务器v.5.1.16开始，爬虫可以在服务器级别开启关闭。
• [新功能] 增加了自定义站点地图的爬虫功能。
• [新功能] 增加了使用站点ip的爬虫功能。
• [新功能] 爬虫性能改进。
• [新功能] 按url清除现在支持完整url路径。
• [新功能] 增加了第三方插件 WP-PostRatings 的兼容。
• [补丁] 缓存当更改文章状态从公开到草稿时可清除了。
• [补丁] WHM激活信息关闭后不再持续显示。
• [美化] 设定中显示推荐值。

1.1.0.1 – June 8 2017

• [更新] 改进了默认的爬虫定时设定。
• [更新] 测试通过WP 4.8。
• [补丁] 修正了插件输出json数据的兼容。
• [补丁] 修正了页面卡切换的问题。
• [补丁] 移除了保存时偶尔出现的重复提示问题。
• [美化] 改进了爬虫信息和描述。

1.1.0 – June 6 2017

• [补丁] 增加了爬虫。
• [新增] 增加了WPLister兼容。
• [新功能] 增加了Avada的支持。
• [更新] 通用插件结构重构
• [更新] 改进了管理员界面外观
• [补丁] 修正了接受wp-content路径的问题。
• [补丁] 使用实际路径来探测.htaccess路径。
• [补丁] 修正了批量更新插件时不触发清除全部的问题。
• [补丁] 修订了cli倒入选项不更新选项的bug。
• [重构] 代码文件细化和分离。

1.0.15 – April 20 2017

• [新功能] 增加了清除页面和清除最新发表文章部件的选项。
• [新功能]增加了wp-cli命令的设置获取选项。
• [新功能] 增加了导入导出cli命令。
• [新功能] 增加了wpForo兼容。
• [新功能] 增加了Theme My Login 兼容。
• [更新] 发表新文章时清除相邻文章。
• [更新] 更改环境报告文件到php后缀以提高安全。
• [更新] 增加了purgeby的选项在wp-cli中。
• [更新] 移除了nag从多站点中。
• [更新] 仅在LiteSpeed页面中注入自己的js文件。
• [重构] 检查ttl设定的0值。
• [补丁] 修订了保存设定时某些插件导致的404错误。
• [补丁] 修订了mu-plugin的兼容。
• [补丁] 修正了创建zip备份的问题。
• [补丁] 修正了jetpack的冲突。

1.0.14.1 – January 31 2017

• [更新] 移除了Freemius支持。

1.0.14 – January 30 2017

• [新功能] 增加了错误页面缓存。现在支持403、404、500错误。
• [新功能] 增加了清除错误的功能。
• [新功能] 增加了wp-cli的支持。
• [更新] 增加了支持多vary的情况。
• [更新] 重组织了管理员界面。
• [更新] 增加了对LiteSpeed Web ADC的支持。
• [更新] 增加了Freemius支持。
• [重构] 重写规则变为常量。
• [补丁] 在添加清除全部按钮时检查成员类型。
• [补丁] 修正了在激活/取消激活时导致WP_CACHE错误显示的问题。
• [补丁] 在重写解析中处理更多的字符。
• [补丁] 当文章状态改变为公开/私有时成功清除文章。

1.0.13.1 – November 30 2016

• [补丁] 修正了日志入口由于一个全局变量未检查存在先导致的出错。

1.0.13 – November 28 2016

• [新功能] 增加了清空整个缓存的按钮。
• [新功能] 在清除时增加了stale的逻辑。
• [新功能] 站点网络中增加使用首站点的设定。
• [新功能] 增加了对Aelia CurrencySwitcher的支持。
• [更新] 增加了允许第三方插件的vary逻辑。
• [更新] 用不同的方法处理密码保护页面。
• [补丁] 修正了保存设定时的错误。
• [补丁] 修正了搜索advanced-cache.php时的错误。

1.0.12 – November 14 2016

• [新功能] 增加了创建环境报告的功能。
• [新功能] 新增了WHM插件安装时的提醒。
• [新功能] 增加了缓存404的ttl。
• [新功能] 日志基于级别设定记录。
• [新功能] 增加了 Autoptimize 兼容。
• [新功能] 增加了Better WP Minify兼容。
• [补丁] 禁用插件时清空.htaccess。
• [更新] 引入URL标签。
• [补丁] 修正了.htaccess为空时的bug。
• [补丁] 正确检测多站点环境时的配置文件。
• [补丁] 禁用缓存时设定可保存了。
• [补丁] 多站点设定bug修订。
• [补丁] 修正了.htaccess路径搜索的俩bug。
• [补丁] 在add_quick_purge中不过滤$_GET。这会导致一些问题。
• [补丁] 从右往左的按钮显示矫正。

1.0.11 – October 11 2016

• [新功能] 插件可以设定cachelookup public on了。
• [新功能] 新选项-勾选advanced-cache.php功能。
• [更新] 插件添加的规则会增加LSCACHE的头尾信息。
• [更新] Woocommerce浏览不缓存页面且购物车不空时不再缓存。
• [更新] Woocommerce显示提示时不再缓存。
• [更新] 站点设定可显示在二级菜单里了。
• [补丁] 站点网络升级时不更新的问题。

1.0.10 – September 16 2016

• 增加了监测LSCACHE_NO_CACHE的功能。
• 增加了清除全部按钮到管理员条。
• 增加了升级插件或主题时清除缓存的逻辑。
• 增加了支持 WooCommerce 2.5.0。
• 增加了.htaccess备份。每十个备份会建立一个新的备份包。
• 通用卡中一些设定换地方了。
• 当DISALLOW_FILE_EDIT设定时.htaccess编辑器可以禁用了。
• 保存了缓存标签前缀设定后，会清空缓存。

1.0.9.1 – August 26 2016

• 修正了配置页面错误显示的错误。
• 变更简化检查.htaccess的逻辑。

1.0.9 – August 25 2016

• [新增] 增加了缓存和清除feed的功能。
• [新增] 增加了缓存标签前缀以避免 LiteSpeed Cache for WordPress 有 LiteSpeed Cache for XenForo 和 LiteMage的冲突。
• [新增] 增加了允许第三方插件创建配置卡的功能。
• [新增] 增加了 WooCommerce 配置选项。
• 插件现在也可以检查父目录的wp-config 。
• 改进了 WooCommerce 支持。
• 变更了.htaccess备份流程。
• 修正了get_home_path() 有时返回无效路径的问题。
• 修正了.htaccess从子文件夹移除不能正确处理的问题。

1.0.8.1 – July 28 2016

• 修正了检查可缓存与否有时不能正常的问题。
• 修正了额外的斜划线在清除规则被移除的问题。

1.0.8 – July 25 2016

• 增加了在清除帖子id时清除全部的逻辑。
• 增加了卸载逻辑。
• 增加了缓存favicon。
• 增加了缓存登录页面。
• 增加了缓存php资源的配置。
• 如果用户登录但没设置登录cookie时设置登录cookie。
• 改进了 NextGenGallery 对新操作的支持。
• 如未设置WP_CACHE时，站点网络里现在显示提醒了。
• 修正了php语法错误。
• 修正了按pid清除不工作的问题。
• 修正了站点网络管理员在子站点激活时不能激活的问题。
• 修正了高级缓存检查有时不工作的问题。

1.0.7.1 – May 26 2016

• 修正了启用清除全部时不能正确清除博客的问题。
• 修正了用户wpc在论坛报告的启用清除全部时啥也没干的事。

1.0.7 – May 24 2016

• 增加了高级选项中登录cookie的配置。
• 兼容WPTouch。
• 兼容WP-Polls 。
• 增加了兼容Like Dislike Counter。
• 增加了对管理员IP的支持。
• 增加了清除全部的弹框确认。
• 重构：LiteSpeed_Cache_Admin给拆了。
• 重构：重命名了一些函数。
• 修正了有时显示“无有效头信息”的问题。

1.0.6 – May 5 2016

• 修正了Knut Sparhell报告的仪表盘小部件打开关闭的bug。
• 修正了Knut Sparhell提供的https支持管理员页面的bug。

1.0.5 – April 26 2016

• [BETA] 增加了 NextGen Gallery plugin 支持。
• 增加了第三方插件支持。
• 改进了缓存标签系统。
• 改进了管理员设定界面的格式。
• 移动bbPress到第三方插件。
• 把WooCommerce移至第三方插件。
• 如果.htaccess不可写，禁用单独的手机视图不缓存cookie设定。
• 禁用时缓存现在会自动清除了。
• 修正了增加规则时.htaccess不能检查的问题。
• 修正了站点网络不能完全清除的问题。

1.0.4 – April 7 2016

• 增加了缓存评论的功能。
• 增加了htaccess备份到安装程序。
• 增加了htaccess编辑器。
• 增加了不缓存用户代理。
• 增加了不缓存cookie。
• 创建了子菜单入口。
• 增加了单独手机视图查看。
• 修改了WP_CACHE为定义的信息只显示在能管理选项的用户上。
• 把启用全部和禁用全部从站点网络管理挪至设定。
• 修正了激活时如 WP_CACHE 被注释则不能正常定义的问题。

1.0.3 – March 23 2016

• 增加了清除前台页面按钮。
• 增加了默认前台页面ttl设定。
• 增加了自定义cookie名字来处理登录用户冲突的问题。[需要 LSWS 5.0.15+]
• 改进了WooCommerce处理。
• 抓了个启用lscwp时默认缓存没启用的bug。
• 扫了扫代码。
• 更新了 readme.txt。

1.0.2 – March 11 2016

• 增加了“使用站点网络设定”的功能。
• 新增了站点网络中启用禁用全部的功能。
• 排除分类和标签现在可以用大输入框了。
• 增加了一行新的advanced-cache.php。
• 启用/禁用现在可以处理站点网络了。
• 激活LSCache现在是个radio了。
• 增加了url排除的尾部$支持。
• _lscache_vary可以登出时删除了。
• 修正了站点网络中函数已定义的问题。

1.0.1 – March 8 2016

• 增加了不缓存url、分类、标签的设定。
• 增加了帮助页。
• 增加了其它插件清除单个文章时的清除缓存逻辑。
• 修正了woocommerce页面不正常显示的问题。
• 修正了在站点网络中管理员菜单不正常显示的问题。
• 修正了登录用户不能看到公开缓存页面的问题。
• 修正了兼容bbPress。
• 修正了cron任务不能更新计划帖子的问题。

1.0.0 – January 20 2016

• 初始化。