changelog.txt

= 5.6 - Aug 1 2023 =
* 🌱**Page Optimize** New JS Delay Includes option. (Mitchell Krog/Gerard Reches/Ignacy Hołoga)
* **Crawler** Sitemap can use search for URL now.
* **GUI** Restrict the scope of balloon CSS rules to avoid conflicts. (#567)
* **Object Cache** Detect Memcached in more situations. (#568)
* **API** Support `litespeed_purged_front` hook. (Umberto Fiorelli)

= 5.5.1 - Jul 19 2023 =
* 🐞**Image Optimization** Fixed a bug where WebP replacements couldn't be pulled without optimizing the original images.
* 🐞**Image Optimization** Invalid images will now be removed when sending requests to the server. (#138993)
* **Cloud** Added support for error codes `unpulled_images` and `blocklisted`. (Tynan)

= 5.5 - Jun 20 2023 =
* 🌱**Crawler** Can now use multiple sitemaps. (Tobolo/Tim Nolte)
* 🌱**Crawler** Now runs asynchronously when manually invoked.
* 🌱**Crawler** Now runs asynchronously when invoked from cron.
* 🐞**Crawler** Fixed the realtime status bug when crawling.
* **Crawler** Summary page now displays server load. (Ruikai)
* 🐞**Page Optimize** Fixed an issue where UCSS could not be generated for error pages. (james58899) #556
* 🌱**Image Optimize** Now pulls images asynchronously.
* **Image Optimize** Now prevents concurrent requests via a locking mechanism.
* **Image Optimize** The process can now bypass invalid image records and continue.
* 🐞**Image Optimize** Fixed an issue where images ready for optimization might have to wait for new images to be added before sending the request.
* **Cloud** Replaced dashboard links with login/link to my.quic.cloud actions.
* **GUI** Added indicators to show when certain options are passively enabled by Guest Mode.
* **Htaccess** Added a noabort rule to support asynchronous crawling.
* **Htaccess** The "Do Not Cache User Agents" option is now case-insensitive. (Ellen Dabo)
* **General** The "Server IP" option now allows IPv4 format only. (Ruikai)
* **Misc** Every page's closing HTML comments now displays UCSS/CCSS status.
* **Object** Fixed a warning for null get_post_type_object.
* **Object** Object_Cache::delete now always returns a boolean value.
* **Cache** Fixed advanced-cache.php file warnings for WordPress versions less than 5.3.
* **Debug** Added debug logging to record the plugin's total processing time.
* **API** HTML minification can now be bypassed via the litespeed_html_min filter.

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

= 2.9.8.7 - Oct 11 2019 =
* <strong>3rd</strong>: Enhanced WP stateless compatibility. (#PR143)
* <strong>3rd</strong>: Fixed a PHP warning caused by previous PR for AMP. (#PR176)

= 2.9.8.6 - Sep 24 2019 =
* <strong>3rd</strong>: Bypassed page optimizations for AMP. (#359748 #PR169)
* <strong>GUI</strong>: Firefox compatibility with radio button state when reloading pages. (#288940 #PR162)
* <strong>GUI</strong>: Updated Slack invitation link. (#PR173)

= 2.9.8.5 - Aug 21 2019 =
* <strong>CCSS</strong>: Removed potential PHP notice when getting post_type. (@amcgiffert)
* <strong>CDN</strong>: Bypassed CDN replacement on admin page when adding media to page/post. (@martin_bailey)
* 🐞<strong>Media</strong>: Fixed inability to update or destroy postmeta data for child images. (#167713)

= 2.9.8.4 - Jul 25 2019 =
* <strong>Object</strong>: Increased compatibility with phpredis 5.0.
* <strong>Object</strong>: 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)
* <strong>CSS</strong>: Added null onload handler for CSS async loading. (@joejordanbrown)
* 🕷️: Increased crawler timeout to avoid wrongly adding a URL to the blacklist.
* <strong>3rd</strong>: WooCommerce Advanced Bulk Edit can now purge cache automatically.

= 2.9.8.3 - Jul 9 2019 =
* <strong>CSS</strong>: Enhanced the CSS Minify compatibility for CSS with missing closing bracket syntax errors. (@fa508210020)
* 🕷️: Crawler now supports both cookie and no-cookie cases. (@tabare)
* <strong>CCSS</strong>: Enhanced compatibility with requested pages where meta info size exceeds 8k. (@Joe B)
* <strong>CCSS</strong>: No longer processing "font" or "import" directives as they are not considered critical. (@Ankit @Joe B)
* <strong>IAPI</strong>: Removed IPv6 from all servers to avoid invalid firewall whitelist.

= 2.9.8.2 - Jun 17 2019 =
* 🔥🐞 <strong>3rd</strong>: Fixed PHP 5.3 compatibility issue with Facetwp.

= 2.9.8.1 - Jun 17 2019 =
* <strong>3rd</strong>: Set ESI template hook priority to highest number to prevent ESI conflict with Enfold theme. (#289354)
* <strong>3rd</strong>: Improved Facetwp reset button compatibility with ESI. (@emilyel)
* <strong>3rd</strong>: Enabled user role change to fix duplicate login issue for plugins that use alternative login processes. (#114165 #717223 @sergiom87)
* <strong>GUI</strong>: Wrapped static text with translate function. (@halilemreozen)

= 2.9.8 - May 22 2019 =
* <strong>Core</strong>: Refactored loading priority so user related functions & optimization features are set after user initialization. (#717223 #114165 #413338)
* <strong>Media</strong>: Improved backup file calculation query to prevent out-of-memory issue.
* <strong>Conf</strong>: Feed cache now defaults to ON.
* <strong>API</strong>: Fully remote attachment compatibility API of image optimization now supported.
* 🕷️: Bypassed vary change for crawler; crawler can now simulate default vary cookie.
* <strong>ESI</strong>: Refactored ESI widget. Removed `widget_load_get_options()` function.
* <strong>ESI</strong>: Changed the input name of widget fields in form.
* <strong>3rd</strong>: Elementor can now save ESI widget settings in frontend builder.
* <strong>3rd</strong>: WP-Stateless compatibility.
* <strong>IAPI</strong>: Image optimization can now successfully finish the destroy process with large volume images with automatic continual mode.
* 🐞<strong>CDN</strong>: Fixed issue with Load JQuery Remotely setting where WP 5.2.1 provided an unexpected jQuery version.
* 🐞<strong>3rd</strong>: Login process now gets the correct role; fixed double login issue.

= 2.9.7.2 - May 2 2019 =
* <strong>Conf</strong>: Enhanced compatibility when an option is not properly initialized.
* <strong>Conf</strong>: Prevent non-array instance in widget from causing 500 error. (#210407)
* <strong>CCSS</strong>: Increase CCSS generation timeout to 60s.
* <strong>Media</strong>: Renamed lazyload CSS class to avoid conflicts with other plugins. (@DynamoProd)
* <strong>JS</strong>: Improved W3 validator. (@istanbulantik)
* <strong>QUIC</strong>: Synced cache tag prefix for static files cache.
* <strong>ESI</strong>: Restored query strings to ESI admin bar for accurate rendering. (#977284)
* <strong>ESI</strong>: Tweaked ESI init priority to honor LITESPEED_DISABLE_ALL const. ESI will now init after plugin loaded.
* 🐞<strong>ESI</strong>: No longer initialize ESI if ESI option is OFF.
* <strong>API</strong>: New "Disable All" API function.
* <strong>API</strong>: New "Force public cache" API function.
* 🐞<strong>Vary</strong>: Fixed an issue with saving vary groups.
* 🐞<strong>IAPI</strong>: Fixed an issue where image md5 validation failed due to whitespace in the image path.
* 🐞<strong>3rd</strong>: Bypass all optimization/ESI/Cache features when entering Divi Theme Builder frontend editor.
* 🐞<strong>3rd</strong>: Fixed an issue where DIVI admin bar exit button didn't work when ESI was ON.

= 2.9.7.1 - Apr 9 2019 =
* <strong>Purge</script>: Purge All no longer includes Purge CCSS/Placeholder.
* <strong>3rd</strong>: 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 =
* 🌱<strong>IAPI</strong>: Appended XMP to `Preserve EXIF data` setting. WebP will now honor this setting. (#902219)
* <strong>Object</script>: Fixed SASL connection with LSMCD.
* <strong>ESI</strong>: Converted ESI URI parameters to JSON; Added ESI validation.
* <strong>Import</strong>: Import/Export will now use JSON format. <strong>Please re-export any backed up settings. Previous backup format is no longer recognized.</strong>
* <strong>Media</strong>: WebP replacement will honor `Role Excludes` setting now. (@mfazio26)
* <strong>Data</strong>: Forbid direct visit to const.default.ini.
* <strong>Utility</strong>: Can handle WHM passed in `LITESPEED_ERR` constant now.
* <strong>IAPI</strong>: Communicate via JSON encoding.
* <strong>IAPI</strong>: IAPI v2.9.6.

= 2.9.5 - Mar 14 2019 =
* 🌱 Auto convert default WordPress nonce to ESI to avoid expiration.
* 🌱 <strong>API</strong>: Ability to easily convert custom nonce to ESI by registering `LiteSpeed_Cache_API::nonce_action`.
* <strong>OPTM</strong>: 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.
* <strong>API</strong>: Renamed default nonce ESI ID from `lscwp_nonce_esi` to `nonce`.
* <strong>API</strong>: Added WebP generation & validation hook API. (@alim #wp-stateless)
* <strong>API</strong>: Added hook to bypass vary commenter check. (#wpdiscuz)
* <strong>Doc</strong>: Clarified Cache Mobile description. (@JohnnyNguyen)
* <strong>Doc</strong>: Replaced incorrect link in description. (@JohnnyNguyen)
* <strong>3rd</strong>: Improved wpDiscuz compatibility.