== Changelog ==
= 4.4.1 - 2026-01-16 =
* COMPATIBILITY - WooCommerce Extra Product Options Compatibility replaced with [WP-Stateless – WooCommerce Extra Product Options Addon](https://wordpress.org/plugins/wp-stateless-woocommerce-extra-product-options-addon/).
* FIX - resolve critical errors with `firebase/php-jwt` library if `AUTH_SALT` WordPress constant is not set or too short.

= 4.4.0 - 2026-01-10 =
* NEW - plugin requires PHP 8.1+.
* ENHANCEMENT - updated `firebase/php-jwt` library from  6.11.1 to 7.0.2.
* ENHANCEMENT - Updated Client library for Google APIs from 2.18.3 to 2.19.0.
* ENHANCEMENT - updated `wpmetabox/meta-box` library from 5.10.15 to 5.10.19.
* ENHANCEMENT - updated `Meta Box Tabs` library from 1.1.18 to 1.2.0.
* FIX - `udx/lib-wp-bootstrap` package correctly loads text domain to prevent PHP notices.

= 4.3.0 =
* ENHANCEMENT - update dependencies for Google APIs Client Library.
* COMPATIBILITY - Simple Local Avatars Compatibility replaced with [WP-Stateless - Simple Local Avatars Addon](https://wordpress.org/plugins/wp-stateless-simple-local-avatars-addon/).

= 4.2.1 =
* ENHANCEMENT - updated `wpmetabox/meta-box` library from 5.10.11 to 5.10.15.
* FIX - correctly loads text domain to prevent PHP notices.
* FIX - `udx/lib-ud-api-client` package correctly loads text domain to prevent PHP notices.

= 4.2.0 =
* ENHANCEMENT - Updated Client library for Google APIs from 2.18.2 to 2.18.3.
* ENHANCEMENT - updated `firebase/php-jwt` library from  6.10.2 to 6.11.1.
* ENHANCEMENT - updated `wpmetabox/meta-box` library from 5.10.1 to 5.10.11.
* DEPRECATED - Setup Assistant removed.

= 4.1.3 =
* COMPATIBILITY - PolyLang Compatibility replaced with [WP-Stateless – Polylang Pro Addon](https://wordpress.org/plugins/wp-stateless-polylang-pro-addon/).
* ENHANCEMENT - updated `wpmetabox/meta-box` library from from 5.10.1 to 5.10.7.
* ENHANCEMENT - updated `Meta Box Tabs` library from 1.1.18 to 1.2.0.
* ENHANCEMENT - updated `firebase/php-jwt` library from from 6.10.1 to 6.10.2.
* ENHANCEMENT - Updated Client library for Google APIs from 2.17.0 to 2.18.2.
* FIX - apply `Cache Control` setting to all files (previously applied only to images).

= 4.1.2 =
* ENHANCEMENT - added `REST API Endpoint` setting, which useful when WordPress dashboard and frontend website utilize different domain names.
* ENHANCEMENT - extended `Status Info` with the information to help diagnose REST API or AJAX issues.
* COMPATIBILITY - SiteOrigin Widgets Bundle Compatibility replaced with [WP-Stateless - SiteOrigin Widgets Bundle Addon](https://wordpress.org/plugins/wp-stateless-siteorigin-widgets-bundle-addon/).
* COMPATIBILITY - WPForms Compatibility replaced with [WP-Stateless - WPForms Addon](https://wordpress.org/plugins/wp-stateless-wpforms-addon/).
* COMPATIBILITY - Easy Digital Downloads Compatibility replaced with [WP-Stateless - Easy Digital Downloads Addon](https://wordpress.org/plugins/wp-stateless-easy-digital-downloads-addon/).
* COMPATIBILITY - LiteSpeed Cache Compatibility replaced with [WP-Stateless - LiteSpeed Cache Addon](https://wordpress.org/plugins/wp-stateless-litespeed-cache-addon/).
* COMPATIBILITY - BuddyPress Compatibility replaced with [WP-Stateless - BuddyPress Addon](https://wordpress.org/plugin/wp-stateless-buddypress-addon/).
* FIX: remove PHP warning on `Status` settings tab.
* FIX: database updates to resolve conflicts with Polylang Pro compatibility.

= 4.1.1 =
* FIX - cache issues during Data Optimization.

= 4.1.0 =
* NEW - move compatibilities files from `wp_sm_sync` to `wp_stateless_files` table with extended information.
* COMPATIBILITY - WooCommerce Compatibility replaced with [WP-Stateless – WooCommerce Addon](https://wordpress.org/plugins/wp-stateless-woocommerce-addon/).
* COMPATIBILITY - Gravity Forms Compatibility replaced with [WP-Stateless – Gravity Forms Addon](https://wordpress.org/plugins/wp-stateless-gravity-forms-addon/).
* COMPATIBILITY - Gravity Forms Signature Compatibility replaced with [WP-Stateless – Gravity Forms Signature Addon](https://wordpress.org/plugins/wp-stateless-gravity-forms-signature-addon/).
* COMPATIBILITY - Divi Theme Compatibility replaced with [WP-Stateless – Divi Theme Addon](https://wordpress.org/plugins/wp-stateless-divi-theme-addon/).
* COMPATIBILITY - SiteOrigin CSS Compatibility replaced with [WP-Stateless – SiteOrigin CSS Addon](https://wordpress.org/plugins/wp-stateless-siteorigin-css-addon/).
* ENHANCEMENT - CLI command `wp stateless migrate` supports `auto` parameter to run all required Data Optimizations automatically.
* ENHANCEMENT - Updated Client library for Google APIs from 2.15.1 to 2.17.0.
* ENHANCEMENT - updated `firebase/php-jwt` library from from 6.9.0 to 6.10.1.
* ENHANCEMENT - updated `wpmetabox/meta-box` library from from 5.8.2 to 5.10.1.
* ENHANCEMENT - updated `deliciousbrains/wp-background-processing` library from from 1.1.1 to 1.3.1.
* ENHANCEMENT - updated `composer/installers` library from from 1.12.1 to 2.3.0.
* ENHANCEMENT - updated `Meta Box Tabs` library from 1.1.17 to 1.1.18.
* ENHANCEMENT - action `sm:sync::addFile` format changed, now it passes media object instead of file name.
* ENHANCEMENT - for installed Addons replace Download action with Activate.
* ENHANCEMENT - count compatibility files from the DB instead of listing actual files to increase performance.
* FIX - CLI command `wp stateless migrate` supports `--yes` parameter to skip confirmation.
* FIX - CLI command `wp stateless migrate` correctly works with `--progress` parameter in multisite.
* FIX - fixed synchronization for Compatibility files in Stateless Mode.
* FIX - CLI command `wp stateless upgrade` fixed when running with `--b` switch.
* FIX - fixed SiteOrigin Widgets Bundle Compatibility in `Stateless` mode.
* FIX - fixed WPForms Compatibility in `Stateless` mode.
* FIX - limit index size for compatibility with different DB engines [757](https://github.com/udx/wp-stateless/issues/757).
* FIX - correctly disable `Cache-Busting` setting for Ephemeral Mode [758](https://github.com/udx/wp-stateless/issues/758), credits [@Jessedev1](https://github.com/Jessedev1).
* FIX - Data Optimization UI adjustments.

= 4.0.4 =
* ENHANCEMENT - display success message after copying Status Info.
* FIX - `Settings` page does not open or slow when there is big amount of attachments.
* FIX - in multisite network, removing custom tables properly when deleting site.
* FIX - skip setting ACL in Stateless mode and during Sync for the buckets with Uniform access, support WP_STATELESS_SKIP_ACL_SET constant [#712](https://github.com/udx/wp-stateless/issues/712).

= 4.0.3 =
* NEW - added `Info` section to the `Status` tab on the Settings page, which contains the system info and the ability to copy report to clipboard.  
* ENHANCEMENT - added `Documentation` link on the Plugins page.
* ENHANCEMENT - added `Addons` link on the Plugins page.
* ENHANCEMENT - added `Documentation` link on the Settings page.
* FIX - fixed `Settings` shortcut on the Plugins page.
* FIX - in multisite network, do not show Data Optimization on the Network Admin Page.
* FIX - properly set `Content Disposition` fields for media objects.
* FIX - properly use `Cache Control` setting for media objects.
* FIX - fixed `Creation of dynamic property` PHP deprecation notice.
* FIX - fixed `Cannot use ::class with dynamic class name` PHP warning.
* FIX - avoid PHP warning when unable to get file path in `Stateless` mode [728](https://github.com/udx/wp-stateless/issues/728).
* FIX - fixed links to the constants documentation.

= 4.0.2 =
* FIX - in multisite network, deleting site can potentially remove WP-Stateless tables from another site.
* COMPATIBILITY - Gravity Forms Compatibility updated for the newest Gravity Forms version.

= 4.0.1 =
* FIX - improvements to Data Optimization process.
* FIX - Data Optimization fixed for multisite environment.

= 4.0.0 =
* NEW - use custom database tables to store GCS file data. This increases plugin performance and will be used for future improvements.  
* NEW - added filter `wp_stateless_get_file`, retrieves the GCS file data, should be used instead of getting `sm_cloud` postmeta directly. 
* NEW - added filter `wp_stateless_get_file_sizes`, retrieves the GCS file data for image sizes, should be used instead of getting `sm_cloud` postmeta directly.
* NEW - added filter `wp_stateless_get_file_meta`, retrieves all GCS file meta data, should be used instead of getting `sm_cloud` postmeta directly.
* NEW - added filter `wp_stateless_get_file_meta_value`, retrieves the GCS file meta data by meta_key, should be used instead of getting `sm_cloud` postmeta directly.
* NEW - added filter `wp_stateless_get_setting_...` which allows to override any WP-Stateless setting. 
* NEW - added setting "Send Status Emails" allowing to change email for WP-Stateless notifications.
* NEW - added setting "Use Post Meta" allowing to switch back to using `postmeta` instead of custom DB tables. Can be used in case of issues after upgrading to 4.0.0.
* NEW - added new Settings tab `Addons`, which contains the list of WP-Stateless Addons, which replace Compatibilities.
* NEW - added new Settings tab `Status`, which contains status and health information related to Google Cloud Storage and WP-Stateless.
* NEW - CLI command `wp stateless migrate` to list and operate data optimizations.
* NEW - configuration constant [`WP_STATELESS_POSTMETA`](https://stateless.udx.io/docs/constants/#wp_stateless_postmeta) allows to read the GCS file data from postmeta instead of the new custom database tables.
* NEW - configuration constant [`WP_STATELESS_BATCH_HEALTHCHECK_INTERVAL`](https://stateless.udx.io/docs/constants/#wp_stateless_batch_healthcheck_interval) defines an interval in minutes for periodical health checks of a batch background process (like data optimization).
* COMPATIBILITY - BuddyBoss Compatibility replaced with [WP-Stateless – BuddyBoss Platform Addon](https://wordpress.org/plugins/wp-stateless-buddyboss-platform-addon/).
* COMPATIBILITY - Elementor Compatibility replaced with [WP-Stateless – Elementor Website Builder Addon](https://wordpress.org/plugins/wp-stateless-elementor-website-builder-addon/).
* COMPATIBILITY - Gravity Form Compatibility does not support older version of Gravity Forms (< 2.3).
* ENHANCEMENT - Allow dismissing notices in Admin Panel only for logged in users.
* ENHANCEMENT - Updated `wp-background-processing` library from from 1.0.2 to 1.1.1.
* ENHANCEMENT - Updated `phpseclib` 3.0.34 to 3.0.37.
* FIX - proper use of infinite timeout in `set_time_limit` function to avoid issues with PHP 8.1 and above [#704](https://github.com/udx/wp-stateless/issues/704).

= 3.4.1 =
* FIX - improve security while processing AJAX requests in Admin Panel

= 3.4.0 =
* ENHANCEMENT - removed `udx/lib-settings` package dependency for security reasons. 
* ENHANCEMENT - removed `udx/lib-utility` package dependency for security reasons.
* ENHANCEMENT - refactored `Settings` admin page to remove Angular dependency.
* ENHANCEMENT - including Software Bill of Materials (SBOM) to GitHub release.
* FIX - updated package dependencies for Google Client Library for security reasons.
* FIX - replaced `utf8_encode` with `mb_convert_encoding` to support PHP 8.2 and above [#678](https://github.com/udx/wp-stateless/issues/678).
* FIX - Fatal Error in `Stateless` mode if GCP access credentials are wrong [#693](https://github.com/udx/wp-stateless/issues/693).
* COMPATIBILITY - preventing PHP warnings while working with WooCommerce version 8.4.0 and above [696](https://github.com/udx/wp-stateless/issues/696).
* COMPATIBILITY - avoiding conflicts between builtin compatibilities and WP-Stateless Addon plugins.

= 3.3.0 =
* NEW - Added new filter `wp_stateless_attachment_url`. Allows to customize attachment URL after WP-Stateless generates it based on it's internal conditions.
* FIX - Stateless mode Incompatible with Media Uploader in Media Library Grid mode [#675](https://github.com/udx/wp-stateless/issues/675).
* FIX - Prevent duplicating messages in Admin Panel.
* COMPATIBILITY - Dynamic Image Support is now part of the core.
* COMPATIBILITY - Google App Engine is now part of the core. Automatically enables **Stateless** mode when Google App Engine detected. Can be disabled using `WP_STATELESS_COMPATIBILITY_GAE` constant.
* COMPATIBILITY - Removed compatibility with "Advanced Custom Fields: Image Crop Add-on", because plugin is deprecated.
* COMPATIBILITY - Removed compatibility with "VidoRev" plugin.
* COMPATIBILITY - Removed compatibility with "WP Retina 2x" plugin.
* ENHANCEMENT - Updated Client library for Google APIs from 2.15.0 to 2.15.1.
* ENHANCEMENT - Updated Meta Box library from 5.6.3 to 5.8.2.
* ENHANCEMENT - Updated Meta Box Tabs to version 1.1.17.
* ENHANCEMENT - Updated PHP JWT library from 6.6.0 to 6.9.0.

= 3.2.5 =
* FIX - Folder setting does not allow custom structure [#608](https://github.com/udx/wp-stateless/issues/608).
* FIX - Stateless mode Incompatible with Inline Uploader [#675](https://github.com/udx/wp-stateless/issues/675).
* FIX - html tags incorrectly applied in notice [#680](https://github.com/udx/wp-stateless/issues/680).
* ENHANCEMENT - Add WP_STATELESS_SKIP_ACL_SET for skip ACL set for GCS [#625](https://github.com/udx/wp-stateless/issues/625).
* COMPATIBILITY - Add support for The Events Calendar [#599](https://github.com/udx/wp-stateless/issues/599).

= 3.2.4 =
* FIX - Website unresponsive after Upgrade [#669](https://github.com/udx/wp-stateless/issues/669).

= 3.2.3 =
* ENHANCEMENT - Updated Client library for Google APIs.
* ENHANCEMENT - Updated Monolog library to version 3.
* ENHANCEMENT - Updated JWT library.
* FIX - Fixed vulnerability issues.
* FIX - Fixed an errors and warnings on PHP 8.1.
* FIX - Fixed an error that occured when WP_STATELESS_MEDIA_UPLOAD_CHUNK_SIZE is set.

= 3.2.2 =
* FIX -  Folder setting can't be saved from the settings page [#639](https://github.com/udx/wp-stateless/issues/639).

= 3.2.1 =
* FIX - Updated requirments.
* FIX - WP-Stateless 3.2.0 doesn’t upload docs, only images [#638](https://github.com/udx/wp-stateless/issues/638).

= 3.2.0 =
* ENHANCEMENT - Upgraded `wpmetabox` library.
* ENHANCEMENT - Updated Client library for Google APIs.
* ENHANCEMENT - Updated Guzzle library to version 7.
* ENHANCEMENT - Updated JWT library.
* ENHANCEMENT - Updated `license` functionality, removed `update checker`.
* FIX - Fixed vulnerability issues.
* FIX - Fixed erros and warnings on PHP 8.
* FIX - problem after the upgrade [#628](https://github.com/udx/wp-stateless/issues/628).
* FIX - image_downsize() PHP8 Required parameter $id follows optional parameter $false [#619](https://github.com/udx/wp-stateless/issues/619).

= 3.1.1 =
* ENHANCEMENT - Notification for the administrator about finished synchronization. GitHub issue [#576](https://github.com/udx/wp-stateless/issues/576).
* FIX - Fixed an issue with PDF thumbnails. GitHub issue [#577](https://github.com/udx/wp-stateless/issues/577).
* FIX - Fixed an issue with synchronization in `Stateless` mode. GitHub issue [#575](https://github.com/udx/wp-stateless/issues/575).
* COMPATIBILITY - Changed the way compatibility files are stored on Multisite. GitHub issue [#588](https://github.com/udx/wp-stateless/issues/588).

= 3.1.0 =
* NEW - Completely rewritten the synchronization tool. GitHub issue [#523](https://github.com/udx/wp-stateless/issues/523).
* NEW - New configuration constant `WP_STATELESS_SYNC_MAX_BATCH_SIZE`. Sets the maximum size of a background sync batch of items to be saved in a single row in the database. [More details](https://stateless.udx.io/docs/constants/#wp_stateless_sync_max_batch_size).
* NEW - New configuration constant `WP_STATELESS_SYNC_LOG`. Sets a path to a log file where to output logging information during the background sync. [More details](https://stateless.udx.io/docs/constants/#wp_stateless_sync_log).
* NEW - New configuration constant `WP_STATELESS_SYNC_HEALTHCHECK_INTERVAL`. Defines an interval in minutes for a cron task that periodically checks the health of a particular background sync process. [More details](https://stateless.udx.io/docs/constants/#wp_stateless_sync_healthcheck_interval).
* FIX - Fixed an issue when original files were not deleted from the server in the Ephemeral mode. GitHub issue [#484](https://github.com/udx/wp-stateless/issues/484).
* FIX - Fixed an incorrect behavior of image `srcset` attribute in the Backup mode. GitHub issue [#558](https://github.com/udx/wp-stateless/issues/558).
* COMPATIBILITY - Litespeed Cache - Fixed an incorrect upload folder determination. GitHub issue [#527](https://github.com/udx/wp-stateless/issues/527).

= 3.0.4 =
* FIX - Fixed inability to use dashes in the upload folder name. GitHub issue [#565](https://github.com/udx/wp-stateless/issues/565).
* COMPATIBILITY - Elementor - Fixed wrong upload directory. GitHub issue [#560](https://github.com/udx/wp-stateless/issues/560).

= 3.0.3 =
* FIX - Fixed an incorrect file URL in Stateless mode on Edit Media screen. GitHub issue [#544](https://github.com/udx/wp-stateless/issues/544).

= 3.0.2 =
* FIX - Refactored the way files are being uploaded to GCS when `WP_STATELESS_MEDIA_UPLOAD_CHUNK_SIZE` constant is defined. GitHub issue [#553](https://github.com/udx/wp-stateless/issues/553).
* FIX - Fixed the process of upgrading to 3.0 for multisite installations. GitHub issue [#549](https://github.com/udx/wp-stateless/issues/549).

= 3.0.1 =
* FIX - Fatal Error in Stateless mode. GitHub issue [#546](https://github.com/udx/wp-stateless/issues/546).

= 3.0 =
* NEW - Setup assistant rewrite. GitHub issue [#477](https://github.com/udx/wp-stateless/issues/477).
* NEW - Recreate attachment metabox panel using metabox.io. GitHub issue [#470](https://github.com/udx/wp-stateless/issues/470).
* NEW - Updated the `Stateless` mode to not use local storage at all. Current `Stateless` mode setting mapped to new `Ephemeral` mode. GitHub issue [#482](https://github.com/udx/wp-stateless/issues/482).
* NEW - Files are now uploaded to GCS in chunks and chunk size will be determined based on free memory available. GitHub issue [#478](https://github.com/udx/wp-stateless/issues/478).
* NEW - File upload chunk size can be controlled with `WP_STATELESS_MEDIA_UPLOAD_CHUNK_SIZE` constant.  GitHub issue [#478](https://github.com/udx/wp-stateless/issues/478).
* FIX - Changed the default value for the Cache-Busting setting. GitHub issue [#361](https://github.com/udx/wp-stateless/issues/361).
* FIX - Fixed network override of Cache-Busting. GitHub issue [#468](https://github.com/udx/wp-stateless/issues/468).
* FIX - Fixed "Passing glue string after array is deprecated.". GitHub issue [#444](https://github.com/udx/wp-stateless/issues/444).
* FIX - Fixed Compatibility default value in multisite. GitHub issue [#464](https://github.com/udx/wp-stateless/issues/464).
* FIX - Fixed multisite wrong GCS path. GitHub issue [#407](https://github.com/udx/wp-stateless/issues/407).
* FIX - Don't check for Google Cloud Storage connectivity in stateless mode unless uploading. GitHub issue [#442](https://github.com/udx/wp-stateless/issues/442).
* COMPATIBILITY - Google App Engine - Added new compatibility support for Google App Engine. [#486](https://github.com/udx/wp-stateless/issues/486)
* COMPATIBILITY - Elementor - Fixed wrong MIME type for CSS files. GitHub issue [#395](https://github.com/udx/wp-stateless/issues/395).
* COMPATIBILITY - Polylang - Fixed missing metadata issue. GitHub issue [#378](https://github.com/udx/wp-stateless/issues/378).
* COMPATIBILITY - EWWW - Fixed mime type for WEBP images. GitHub issue [#371](https://github.com/udx/wp-stateless/issues/371).
* COMPATIBILITY - Simple Local Avatars - Added new compatibility support for Simple Local Avatars. GitHub issue [#297](https://github.com/udx/wp-stateless/issues/297).
* COMPATIBILITY - BuddyPress - Fixed BuddyPress compatibility. GitHub issue [#275](https://github.com/udx/wp-stateless/issues/275).
* COMPATIBILITY - Divi - Fixed Divi cache issue. GitHub issue [#430](https://github.com/udx/wp-stateless/issues/430).
* COMPATIBILITY - Gravity Forms - add compatibility for Gravity Forms Signature Add-On. [#501](https://github.com/udx/wp-stateless/issues/501).
* COMPATIBILITY - Litespeed - Fixed fatal error and warnings. [#491](https://github.com/udx/wp-stateless/issues/491).
* COMPATIBILITY - Imagify - Added support for webp. [#403](https://github.com/udx/wp-stateless/issues/403).
* ENHANCEMENT - Update Client library for Google APIs. [#446](https://github.com/udx/wp-stateless/issues/446).
* ENHANCEMENT - Wildcards for bucket folder settings. GitHub issue [#149](https://github.com/udx/wp-stateless/issues/149).
* ENHANCEMENT - Better CLI integration. GitHub issue [#447](https://github.com/udx/wp-stateless/issues/447), [#450](https://github.com/udx/wp-stateless/issues/450) and [#451](https://github.com/udx/wp-stateless/issues/451).
* ENHANCEMENT - Sync media according to new Bucket Folder settings. GitHub issue [#449](https://github.com/udx/wp-stateless/issues/449).
* ENHANCEMENT - Moved Bucket Folder setting in the File URL section. GitHub issue [#463](https://github.com/udx/wp-stateless/issues/463).
* ENHANCEMENT - Hide Regenerate and Sync with GCS when the mode is Disabled. GitHub issue [#440](https://github.com/udx/wp-stateless/issues/440).
* ENHANCEMENT - New endpoint for the Google Cloud Storage JSON API. GitHub issue [#384](https://github.com/udx/wp-stateless/issues/384).
* ENHANCEMENT - Renamed current `Stateless` mode to `Ephemeral`. GitHub issue [#481](https://github.com/udx/wp-stateless/issues/481).

= 2.3.2 =
* FIX - Fixed video file doesn't get deleted from the server in `Stateless` mode. GitHub issue [#418](https://github.com/wpCloud/wp-stateless/issues/418).
* FIX - Fixed file size doesn't show under attachment details in `Stateless` mode. GitHub issue [#413](https://github.com/wpCloud/wp-stateless/issues/413).
* FIX - Fixed Cache-Busting feature works even if the Mode is `Disabled`. GitHub issue [#405](https://github.com/wpCloud/wp-stateless/issues/405).
* COMPATIBILITY - Fixed Gravity Form Post Image didn't include `Bucket Folder`. GitHub issue [#421](https://github.com/wpCloud/wp-stateless/issues/421).
* COMPATIBILITY - Fixed Divi Builder Export. GitHub issue [#420](https://github.com/wpCloud/wp-stateless/issues/420).
* COMPATIBILITY - Fixed BuddyBoss pages breaking after updating to 2.3.0. GitHub issue [#417](https://github.com/wpCloud/wp-stateless/issues/417).

= 2.3.1 =
* Fix - Fixed fatal error, undefined function `is_wp_version_compatible`. GitHub issue [#414](https://github.com/wpCloud/wp-stateless/issues/414).

= 2.3.0 =
* FIX - Fixed problem with WordPress 5.3. GitHub issue [#406](https://github.com/wpCloud/wp-stateless/issues/406).
* FIX - Fixed problem with the Cache Busting feature. GitHub issue [#377](https://github.com/wpCloud/wp-stateless/issues/377).
* COMPATIBILITY - Added compatibility support for WP Retina 2x pro. GitHub issue [#380](https://github.com/wpCloud/wp-stateless/issues/380).
* COMPATIBILITY - Enhanced compatibility support for LiteSpeed Cache. GitHub issue [#365](https://github.com/wpCloud/wp-stateless/issues/365).
* COMPATIBILITY - Enhanced compatibility support for ShortPixel Image Optimizer. GitHub issue [#364](https://github.com/wpCloud/wp-stateless/issues/364), [#398](https://github.com/wpCloud/wp-stateless/issues/398).
* COMPATIBILITY - Fixed Gravity Form export. GitHub issue [#408](https://github.com/wpCloud/wp-stateless/issues/408).
* ENHANCEMENT - Improved upon add_media function for better compatibility support. GitHub issue [#382](https://github.com/wpCloud/wp-stateless/issues/382).


= 2.2.7 =
* FIX - WP-Smush compatibility enhanced. GitHub Issue [#366](https://github.com/wpCloud/wp-stateless/issues/366).
* FIX - Fixed multisite installation support. GitHub Issue [#370](https://github.com/wpCloud/wp-stateless/issues/370).
* FIX - Fixed settings UI problems related to Cache-Busting option. GitHub Issue [#373](https://github.com/wpCloud/wp-stateless/issues/373).
* FIX - Other minor fixes.

= 2.2.6 =
* FIX - Multisite Network Settings page fixed. GitHub Issue [#369](https://github.com/wpCloud/wp-stateless/issues/369).
* FIX - Fixed incorrect Compatibilities behavior when Bucket Folder is set. GitHub Issue [#368](https://github.com/wpCloud/wp-stateless/issues/368).
* FIX - Other minor fixes.

= 2.2.5 =
* NEW - Added ability to start sync process from specific Attachment ID. GitHub Issue [#360](https://github.com/wpCloud/wp-stateless/issues/360).
* COMPATIBILITY - Added compatibility support for LiteSpeed Cache plugin. Especially to support optimized .webp images. GitHub Issue [#357](https://github.com/wpCloud/wp-stateless/issues/357).
* FIX - Other minor fixes.

= 2.2.4 =
* NEW - Added new filter `wp_stateless_skip_add_media`. Allows skipping synchronization of the media object with GCS depending on custom condition. GitHub Issue [#344](https://github.com/wpCloud/wp-stateless/issues/344).
* FIX - Compatibility Manager is considering Child Themes now. GitHub Issue [#351](https://github.com/wpCloud/wp-stateless/issues/351).
* FIX - Custom domains handling has been fixed. GitHub Issue [#358](https://github.com/wpCloud/wp-stateless/issues/358).
* ENHANCEMENT - Imagify Image Optimizer and WP Smush compatibilities improved. GitHub Issue [#359](https://github.com/wpCloud/wp-stateless/issues/359).

= 2.2.3 =
* FIX - get_post_metadata does not break multi-dimensional arrays anymore. GitHub Issue [#352](https://github.com/wpCloud/wp-stateless/issues/352).
* FIX - PHP Warning: substr_compare() fixed. GitHub Issue [#350](https://github.com/wpCloud/wp-stateless/issues/350).
* FIX - Filtering Domain setting before saving in order to get rid of possible empty spaces. GitHub Issue [#348](https://github.com/wpCloud/wp-stateless/issues/348).
* FIX - Incorrect remote file path generated when disabled Organization setting. GitHub Issue [#343](https://github.com/wpCloud/wp-stateless/issues/343).
* FIX - Hiding admin notices correctly. GitHub Pull Request [#355](https://github.com/wpCloud/wp-stateless/pull/355).

= 2.2.2 =
* FIX - Proper 'srcset' attribute handling. GitHub Issue [#342](https://github.com/wpCloud/wp-stateless/issues/342).
* ENHANCEMENT - Minor fixes code quality.

= 2.2.1 =
* Fix - Security patch for Authenticated Remote Code Execution (RCE) vulnerability.

= 2.2.0 =
* FIX - Slow page generation when File URL Replacement is enabled. https://github.com/wpCloud/wp-stateless/issues/265
* FIX - Fatal error when WP Smush Pro compatibility is enabled. https://github.com/wpCloud/wp-stateless/issues/325
* FIX - Issue with Imagify. https://github.com/wpCloud/wp-stateless/issues/326
* FIX - Return correct srcset images. https://github.com/wpCloud/wp-stateless/issues/328
* FIX - Fatal error with GFForms. https://github.com/wpCloud/wp-stateless/issues/330
* FIX - Typo in admin notices. https://github.com/wpCloud/wp-stateless/issues/337
* ENHANCEMENT - Extended “File URL Replacement” options. https://github.com/wpCloud/wp-stateless/issues/336
* ENHANCEMENT - Service Account JSON is now hidden if set via constant. https://github.com/wpCloud/wp-stateless/issues/320
* ENHANCEMENT - New database table for tracking files not tracked in media library. https://github.com/wpCloud/wp-stateless/issues/307
* ENHANCEMENT - Updated depreciated function flagged by security software. https://github.com/wpCloud/wp-stateless/issues/300

= 2.1.9 =
* FIX - Resolved fatal error with OneCodeShop RML Amazon S3 plugin. GitHub Issue [#317](https://github.com/wpCloud/wp-stateless/issues/317).
* FIX - Resolved missing bucket in file URL when “storage.googleapis.com” was supplied in Domain field. GitHub Issue [318](https://github.com/wpCloud/wp-stateless/issues/318).
* ENHANCEMENT - Support synchronization of files without metadata, such as .doc and .docx files. GitHub Issue [316](https://github.com/wpCloud/wp-stateless/issues/316).

= 2.1.8 =
* FIX - Woocommerce product export.
* FIX - Allow webmaster to control http or https.
* FIX - PDF preview sync.
* ENHANCEMENT - Improved error message when there is nothing to sync.
* ENHANCEMENT - Renamed constant WP_STATELESS_MEDIA_HASH_FILENAME to WP_STATELESS_MEDIA_CACHE_BUSTING.
* ENHANCEMENT - Domain field functionality now allows webmaster to control http or https
* ENHANCEMENT - Message about Stateless mode now requires the Cache-Busting option now see only those who using Stateless mode.
* ENHANCEMENT - Upload full size image before generating thumbnails.
* COMPATIBILITY - Added support for Learndash plugin.
* COMPATIBILITY - Added support for BuddyPress plugin.
* COMPATIBILITY - Added support for Divi builder export.
* COMPATIBILITY - Added support for Elementor plugin.

= 2.1.7 =
* ENHANCEMENT - Display dashboard-wide notice for existing users explaining stateless mode now enables cache-busting option.
* ENHANCEMENT - Display notice when selecting stateless mode explaining stateless mode now enables cache-busting option.
* ENHANCEMENT - Display required message on cache-busting setting description when stateless mode is enabled.

= 2.1.6 =
* FIX - Resolved Google SDK conflict.
* FIX - ICompatibility.php errors notice.
* FIX - Undefined index: gs_link in class-bootstrap.php.
* FIX - Media files with accent characters would not upload correctly to the bucket.
* ENHANCEMENT - Force `Cache-Busting` when using `Stateless` mode.
* ENHANCEMENT - New admin notice design.
* ENHANCEMENT - Improved and clear error message.
* ENHANCEMENT - Renamed constant `WP_STATELESS_MEDIA_ON_FLY` to `WP_STATELESS_DYNAMIC_IMAGE_SUPPORT`.
* ENHANCEMENT - Update Google Libraries.
* ENHANCEMENT - Renamed constant `WP_STATELESS_MEDIA_HASH_FILENAME` to `WP_STATELESS_MEDIA_CACHE_BUSTING`.
* COMPATIBILITY - Renamed constant `WP_STATELESS_COMPATIBILITY_WPSmush` to `WP_STATELESS_COMPATIBILITY_WPSMUSH`.
* COMPATIBILITY - Added support for `WooCommerce Extra Product Options`.
* COMPATIBILITY - Added support for `WPForms Pro`.
* COMPATIBILITY - Improved `ShortPixel` compatibility.
* COMPATIBILITY - Fixed `ACF Image Crop` compatibility.

= 2.1.5 =
* FIX - Fatal error with PHP 5.4.45 on activation.
* FIX - E_WARNING: Illegal string offset ‘gs_bucket’.
* FIX - Resolved ‘save_network_settings’ message when saving network settings.
* COMPATIBILITY - Added support for WP Forms plugin
* COMPATIBILITY - Added support for WP Smush plugin
* COMPATIBILITY - Added support for ShortPixel Image Optimizer plugin.
* COMPATIBILITY - Added support for Imagify Image Optimizer plugin.
* COMPATIBILITY - Added support for SiteOrigin CSS plugin.
* COMPATIBILITY - Added support for Gravity Forms plugin.
* COMPATIBILITY - Added support for WPBakery Page Builder plugin.
* COMPATIBILITY - Added wp-config constant support for compatibility options.

= 2.1.4 =
* ENHANCEMENT - Updated Google OAuth URL for Setup Assistant.

= 2.1.3 =
* ENHANCEMENT - Updates to text explainers in Setup Assistant.
* ENHANCEMENT - Refined redirection logic when activating plugin.
* FIX - Removed extra space in converted URLs.

= 2.1.2 =
* ENHANCEMENT - Improved support for Easy Digital Downloads.
* ENHANCEMENT - Added constant WP_STATELESS_CONSOLE_LOG check before logging to console.
* ENHANCEMENT - Changed service account default permissions on creation.
* COMPATIBILITY - Added support for SiteOrigin generated CSS files.
* ENHANCEMENT - Moved Dynamic Image Support to Capability tab.
* COMPATIBILITY - Added support for ACF Image Crop addon.
* FIX - Fixed compatibility issue with wp-smush plugin.
* FIX - Added required blog param for multi-sites.
* FIX - Updated media library and mediaItem API endpoints.
* COMPATIBILITY - Added support for EDD download method option.

= 2.1.1 =
* FIX - Fixed double slash when Organization is disabled.
* FIX - Fatal error with GuzzleHttp.
* FIX - Fixed content-type assignment.
* ENHANCEMENT - Added support for https URLs in Domain field.
* COMPATIBILITY - Advanced Custom Fields Image Crop Addon.

= 2.1.0 =
* FIX - Fixed read only for Service Account JSON if constant or environment variable is defined.
* FIX - Override default cache control.
* FIX - Fixed custom domain bucket support with setup assistant.
* FIX - Improved support for wp_calculate_image_srcset.
* FIX - Synchronizing non-image files will now delete the local copy.
* NEW - Support for GOOGLE_APPLICATION_CREDENTIALS environment variable.
* NEW - Added bucket region option to setup assistant.
* NEW - Added custom file type support for File URL Replacement setting.
* NEW - Added failover to image url when not found on disk for sync tool.
* ENHANCEMENT - updated service account role to Storage Object Admin.

= 2.0.3 =
* FIX - Fixed Fatal Error which was occurring on WordPress Multisite after upgrading plugin from 1.x to 2.x.
* ENHANCEMENT - Improved support of PDF files.

= 2.0.2 =
* FIX - Fixed Fatal Error which were caused by using PHP 5.4 and less.
* FIX - Fixed Fatal Error which was caused on Media page when WP Smush Pro plugin is activated.
* FIX - Fixed detection of plugin files paths. The issue was occurring on installations with custom file structures ( e.g. Bedrock platform ).
* FIX - Fixed redirection URL to Setup Wizard on plugin activation.
* ENHANCEMENT - Updated the minimum requirements for PHP to 5.5 to prevent fatal errors and possible warnings.

= 2.0.1 =
* ENHANCEMENT - Added compatibility with Google SDK v1.x version to prevent conflicts with third-party plugins.
* ENHANCEMENT - Added warning message if old Google SDK version is loaded by third-party plugin.

= 2.0.0 =
* NEW - Added stateless mode.
* NEW - Dedicated settings panel.
* NEW - Setup assistant for initial plugin activation.
* NEW - Support for replacing default GCS domain with custom domain.
* ENHANCEMENT - Expanded network setting overrides.
* ENHANCEMENT - Expanded wp-config constants.
* ENHANCEMENT - Relocated synchronization and regeneration tools to new settings panel.

= 1.9.2 =
* ENHANCEMENT - Added ability to modify default bucket link via 'wp_stateless_bucket_link' filter.
* ENHANCEMENT - Added checking of connection to GCS once per four hours instead of doing it on every page load.
* ENHANCEMENT - Google SDK was moved from vendor dir. So it's not loaded on every page load anymore, but only when it's required.
* ENHANCEMENT - Updated Composer Autoload logic.
* ENHANCEMENT - Reverted all changes included to 1.9.1 version because of conflicts.

= 1.9.0 =
* NEW - Added new ability to define cacheControl for remote objects.
* NEW - Added new option that adds random hashes to file names.

= 1.8.0 =
* FIX - Fixed the issue on multisite setup (switch_to_blog now works as expected).
* FIX - Performance fixes.
* NEW - Added the ability to regenerate and synchronize separate Media file from the list.
* NEW - Added the ability to regenerate and synchronize Media file from edit screen.
* ENHANCEMENT - UI cleanup.

= 1.7.3 =
* Initial public release.