WP-Optimize – Cache, Clean, Compress.

3.4.2 – 03/Jul/2024

• FIX: Removes unnecessary heartbeat calls for retrieving information about images

3.4.1 – 26/Jun/2024

• FIX: Issue with bulk editing on the posts and pages edit screen

3.4.0 – 25/Jun/2024

• FEATURE: Premium – Smush – Bulk compress / restore from media library
• FIX: Deactivate the form for minifying JS/CSS settings when the corresponding option is disabled
• REFACTOR: The functionality for the ‘Unused Images’ feature in ACF has been moved to a separate class
• TWEAK: Add UpdraftCentral commands for the latest WP-Optimize features
• TWEAK: Adjusted the scheduled preload time for improved performance
• TWEAK: Auto-update advanced-cache.php settings during site migration
• TWEAK: Cache – Human-readable file names for the cache directory
• TWEAK: Caching related cron jobs are activated even though cache is disabled
• TWEAK: Image compression – Updated message for restoring images action
• TWEAK: Implement Heartbeat API for image compression progress updates
• TWEAK: Improving vendor autoload
• TWEAK: Introduces a hook (wpo_force_webp_serve_using_altered_html) for changing WebP serving method
• TWEAK: Minify – Exclude .min files from minification
• TWEAK: Minify – Improve list of processed files UI
• TWEAK: Optimization of the get_uncompressed_image query
• TWEAK: Persist script loading strategy when minifying JS files
• TWEAK: Premium – Compatibility with Curcy WooCommerce multi currency plugin
• TWEAK: Premium – Unused Images – Added an option to delete original images when scaled versions exist

3.3.2 – 16/Apr/2024

• FIX: Ensure the admin bar is not cached when caching is enabled for both logged-in and guest users
• REFACTOR: Remove unused code
• TWEAK: Cache – Prevent sitemaps being cached
• TWEAK: Display a notice when static browser cache is enabled but not working
• TWEAK: Premium – Added “Lost your password?” link on plugin’s page
• TWEAK: Premium – Unused images – Detect Elementor’s ‘Video’ widget’s image
• TWEAK: Recognise Rank Math plugin tables as used in database optimization
• TWEAK: Reduce .htaccess file write operations when WebP is enabled
• TWEAK: Seasonal notice content update for 2024
• TWEAK: Unused Images – Unused tab displays multiple images for compressed images with WebP Conversion
• TWEAK: Prevent multiple AJAX requests being generated by repeated clicks on the “Purge Cache” button
• TWEAK: Call the litespeed_finish_request() function when attempting to close browser connection on LiteSpeed servers

3.3.1 – 06/Mar/2024

• FIX: Cache – Compatibility issue with Jetpack’s infinity scroll feature
• FIX: Cache – Don’t cache activity stream (ActivityPub plugin compatibility)
• FIX: Cache – Page not cached comment is added to robots.txt
• TWEAK: Fix PHP warnings when server variables are not available
• TWEAK: Fix Unexpected response alert and PHP warning when cache preloading is triggered manually
• TWEAK: Migrate from setInterval to WP heartbeat API to refresh information about backend tasks
• TWEAK: Optimization of the WebP Implementation
• TWEAK: Update dashboard notice to include all of our plugins
• TWEAK: Update the footer review prompt

3.3.0 – 31/Jan/2024

• FEATURE: Premium – Ability to preload and purge caches from individual post/page
• FIX: Premium – Unused Images – Recognise Elementor’s Container, and Section widget background images
• FIX: Avoid having repeated minified scripts in the same bundle, it breaks the code in some specific cases
• FIX: Cache – TranslatePress compatibility – Post updates purges cache for all related translated languages
• FIX: Only try to parse canonical URLs if there is a path or querystring, needed for WPML with multi-domain compatibility
• TWEAK: Add cron de-scheduling of all wpo_* events during plugin uninstall
• TWEAK: Cache – Always add source code comment about page not being cached, but only add details when WP_DEBUG is ON
• TWEAK: Cache – Fix issue with excluding encoded (non-latin) URLs
• TWEAK: Do not attempt to close browser connection when the context is not an AJAX action
• TWEAK: Minify – Logging more information about why minify static assets cache gets invalidated and regenerated
• TWEAK: Revert to the original matthiasmullie/minify repository after confirming resolution of previous issues
• TWEAK: Setup Cron job to clear failed smush tasks from DB
• TWEAK: Using clear text user agent strings instead of regular expressions to identify web browsers for improved clarity
• TWEAK: Updater library in the Premium version updated to the current release series

3.2.22 – 23/Nov/2023

• TWEAK: Cache – Show a notice in the admin if the config file is missing and caching is enabled
• TWEAK: Added support for new emoji styles related hooks introduced in WordPress 6.4
• TWEAK: Database – Fix “Optimize database tables” stuck loading state
• TWEAK: Premium – Cache – Style improvement for the select2 box from advanced cache settings
• TWEAK: Premium – Images – Fix issues with avif images in the unused images feature
• REFACTOR: Wrapping most of the external links in the WPO settings pages with the appropriate function
• REFACTOR: Remove unused code

3.2.21 – 18/Oct/2023

• FIX: Prevent PHP fatal error when updating from older versions of WP-Optimize

3.2.20 – 16/Oct/2023

• FIX: WebP – Performance issue because of possible infinite loop
• FIX: Cache purging occurred prior to the cache lifespan expiration
• FIX: Premium – Smush – Do not consider images in trashed posts as unused
• TWEAK – Remove extra slash from plugin asset urls and paths
• TWEAK: Image – Add a tooltip next to the restore button on the edit media screen
• TWEAK: Premium – Prevent PHP deprecated warning when generating variations from attributes for new WooCommerce variable products
• TWEAK: Premium – Purge cache when the Variation Swatches for WooCommerce plugin settings get updated
• TWEAK: Premium – Settings – Style improvement for the Purge cache permissions select2 box
• TWEAK: Recognise LearnDash plugin tables in database optimization
• TWEAK: Remove empty uploads/.htaccess file and remaining cron events
• TWEAK: Smush – Disable server info in smush logs by default
• TWEAK: Smush – Resolve double log entries when compressing a single image from the media library metabox
• TWEAK: Prevent unwanted PHP notice upon update

3.2.19 – 15/Sep/2023

• FIX: Cache – Relevant caches are now purged upon updating homepage display settings and posts per page settings
• FIX: Minify – Multiline content inside textareas break after exporting and importing settings
• FIX: Smush – Images are not compressed with default (image quality = 100) settings
• FIX: Premium – Cache – Caching stops working when WordPress salt keys contain backslash () character
• FIX: Premium – User per role cache not working when tables do not have wp prefix
• FIX: Premium – When lazy loading is enabled, the picture tag in initial viewport is not visible
• TWEAK: Fixed date format and timezone in the cache last modification comment according to the site configuration
• TWEAK: Fixed spelling errors in the repository
• TWEAK: Minify – The process of purging cache for 3rd party caching solutions now works properly when multiple other solutions are present
• TWEAK: Premium – Lazy load – Added Jetpack, Optimole, Rocket Lazy Load, and Smush (WPMU Dev) plugins to the incompatibility notice
• TWEAK: Prevent PHP warning upon installing themes from the WordPress repository
• TWEAK: Update the composer package yahnis-elsts/plugin-update-checker for PHP 8.2 compatibility

3.2.18 – 11/Aug/2023

• FIX: A bug in the v3.2.17 release that caused certain database optimization buttons to be disabled has been fixed
• TWEAK: Reset WebP serving method upon updating to version 3.2.18

3.2.17 – 08/Aug/2023

• FIX: Automatically compress newly-added images feature now works on multisite in case of attachment ID is the same in both sites
• FIX: Minify – No separate try-catch blocks for same handle
• FIX: Premium – Unused Images – Recognise Elementor Carousel, Slides, Flip Box, and Site logo widget images
• FIX: Premium – Prevent memory exhausted PHP fatal error when using unused images feature with Elementor
• TWEAK: External links will open in new tab/window
• TWEAK: Remove htaccess-capability-tester dependency
• TWEAK: Remove residue folders in uploads/wpo

3.2.16 – 06/Jul/2023

• FIX: HTML minify should not remove title tag added by AIOSEO
• FIX: Premium – Fetching unused images data is incorrect when previous task queue is not properly unlocked
• FIX: Premium – Unused Images – Recognise Elementor background images
• TWEAK: Premium – Prevent conflicts between the minify feature and the YITH Point of Sale for WooCommerce plugin
• TWEAK: Premium – Compatibility issue with Smart Slider 3
• TWEAK: Suppress PHP warnings caused by WebP converter
• TWEAK: Database optimization – Prevent duplicate AJAX requests, minor code improvements
• TWEAK: Smush – Add a cron job to run pending image compressions, ensuring completion of the process even if bulk image compression encounters interruptions or failures
• TWEAK: Clean up files on uninstall
• TWEAK: Added compatibility for Custom Permalinks plugin
• TWEAK: If minifying is enabled, then check that the purge cron event exists (not only upon plugin activation)
• REFACTOR: Premium – Unused Images – Separate classes for Beaver Builder, Estatik, and Yoast SEO plugins
• FIX: Premium – WP CLI commands permission issues solved

3.2.15 – 09/May/2023

• FEATURE: Premium – Cache – Added compatibility with the “WooCommerce Multilingual & Multicurrency” plugin’s multi-currency feature
• FIX: Premium – Above the folder elements should not be loaded lazily
• FIX: Prevents minify cache invalidation when asset version is changed but content is same
• FIX: Prevent PHP 8 uncaught exception TypeError when using CloudFlare
• FIX: Add logging destination UI
• FIX: Premium – Cache – Prevents a PHP fatal error that occurs when user cache is enabled on sites running on MariaDB with a version prefix of ‘5.5.5-‘ and PHP versions prior to 8.0
• FIX: Serving WebP images only to supported browsers wasn’t working properly when page caching is enabled
• FIX: Minify – inherit Google fonts method is not working
• TWEAK: Prevent PHP deprecation notice when purging minify cache
• TWEAK: Cache – Prevent PHP warning when deleting cache
• TWEAK: Suppress PHP notice when cannot write to .htaccess file
• TWEAK: Add user capability check for smush task manager ajax handling method
• TWEAK: Minify – Do not send cache control and last modified headers if already present
• TWEAK: Smush – clean up log entries
• TWEAK: Correctly handle XX and T1 country codes in Cloudflare’s IP country header
• REFACTOR: Separate classes for activation, deactivation and uninstall actions

3.2.14 – 30/Mar/2023

• FIX: Compatibility with WordPress 6.2 when using PHP 8.x
• FIX: Divi builder’s edit mode when WebP serving is using the “alter HTML” method
• FIX: Premium – Unused images feature – improve compatibility with Beaver Builder and its addons
• FIX: Cache – Page caching wasn’t working on the IIS webserver
• TWEAK: Update seasonal notices
• TWEAK: Prevent deprecation notices in PHP 8.2+

3.2.13 – 13/Mar/2023

• FEATURE: WebP – Ability to convert to webp format from media library
• FIX: Prevent PHP warning when minify-log files are missing or corrupted, also added appropriate error message
• FIX: Delete webp files and uncompressed file when media is deleted
• FIX: Polylang compatibility – now upon updating any post, caches for all translated languages are cleared
• FIX: Prevent adding unsupported media types to the smush task list
• FIX: WebP – Unsupported formats throws a fatal error
• FIX: Compress image UI for webp images
• FIX: Premium – WebP Images are marked as unused images
• FIX: Resolved an issue where Beaver Builder’s edit mode was not functioning properly when WebP conversion was enabled
• FIX: Prevent creating multiple cache directories for URLs that contain non-English characters
• TWEAK: Preload allowed time difference is set to be the same as max execution time
• TWEAK: Premium – Unused images feature – Add compatibility with Yoast SEO social images
• TWEAK: Prevent jQuery deprecation notices
• SECURITY: Fixed a non-persistent XSS vulnerability that could occur on certain servers when the WebP conversion option was enabled. This vulnerability could allow an attacker to execute arbitrary JavaScript code in the victim’s browser by tricking them into clicking on a specially crafted link. Thanks to Paolo Elia for reporting this.

3.2.12 – 06/Feb/2023

• SECURITY: Today’s 3.2.11 release (free version only – there was no 3.2.11 Premium release) checked nonces incorrectly, opening up the possibility of an attacker tricking an admin into clicking links crafted to perform unauthorised actions on the WP Optimize configuration on his site.

3.2.11 – 06/Feb/2023

• FIX: Empty query string updates cache
• FIX: Cache – Purge cache after string translation update in WPML
• FIX: Cache – Preload stuck and fails to complete
• FIX: Prevent PHP warning when .htaccess files don’t have write permission
• FIX: Premium – Fixed compatibility issue with WP Hide plugin
• FIX: Minify – Less than 20KB stylesheets loading order
• TWEAK: Add cron event only if clear backup images is enabled
• TWEAK: Cache – Use WordPress GMT offset for cache comment
• TWEAK: Only allow image types that can be compressed
• TWEAK: Cached page is not served for sites that have own directory for WordPress files

3.2.10 – 28/Nov/2022

• FIX: Prevent php warning and increase SendInBlue mailin plugin compatibility
• FIX: Avoid screen juggling while selecting optimizations from dropdown in scheduled clean up
• FIX: Prevent cache purge upon deactivation using filter
• FIX: Cache purge ability of all registered user
• FIX: Recognise WooCommerce product category images as used images
• FIX: Multisite support in cached-file-log.php template
• TWEAK: Improve Optimization Schedule UI
• TWEAK: Consolidated error notices by the use of a global WPO notice object.
• TWEAK: Remove Reset WebP serving method button when there are no webp conversion tools
• TWEAK: Remove query strings from scripts
• TWEAK: Add Restrict Content Pro plugin slug to plugin.json
• TWEAK: Add option to remove orphaned user meta data upon run optimization
• TWEAK: Add no-cache headers when minify is enabled and page caching is not
• TWEAK: Ability to remove .htaccess rules when gzip compression is not available
• TWEAK: WebP: Avoid PHP warnings when using hot linked images (Alter HTML method)
• TWEAK: WebP conversion is unavailable when php shell functions do not exist
• TWEAK: Improved UI settings for asynchronous loading and page speed testing exclusion tools
• TWEAK: Add a constant to enable/disable webp feature
• TWEAK: Set a global context for $wp_file_descriptions context so that it gets assigned to correctly, preventing a subtle visual change in the theme editor
• TWEAK: Prevent php warning from webp-convert library
• TWEAK: Update currently-active installs number in thank you for installing notice.
• TWEAK: Replaced deprecated use of jQuery.change()

3.2.9 – 06/Sep/2022

• FEATURE: Import and export settings
• FIX: Avoid infinite loop while using unused images export csv
• FIX: Scheduled cache preloading issue
• FIX: WebP testing making unnecessary background HTTP checks
• FIX: Google fonts compatibility with The7 theme
• FIX: Prevent console error for undefined wp_optimize for smush scripts
• TWEAK: Avoid PHP warnings on cache cleanup
• FIX: Ability to disable webp serving while caching is on
• TWEAK: Reset webp conversion method flags daily using cron job
• TWEAK: Remove orphaned wpo_weekly_cron_tasks cron job upon uninstallation

3.2.8 – 23/Aug/2022

• FIX: Build system error led to a missing file in 3.2.7 which could cause an error when using related functions
• FIX: Fix incorrect function name in admin class

3.2.7 – 15/Aug/2022

• FEATURE: A CLI command for generating lists of unused images as a CSV file (Premium)
• FIX: The unused images CSV downloads have a few redundant images listed
• FIX: ACF block field images are listed as unused images
• FIX: Correctly recognize inherit in google fonts async loading
• FIX: Cache – Do not purge when wp_update_nav_menu is removed from wpo_purge_cache_hooks array
• TWEAK: Prevent PHP warnings when using json_decode result
• TWEAK: Create cache config file if not present because of site migration
• TWEAK: Update notice class
• TWEAK: Recognize WooCommerce scheduled sales and cache accordingly
• TWEAK: Prevent duplicate wp-optimize entry in tables optimization list
• TWEAK: Test htaccess capability only when needed by webp feature
• TWEAK: Increase compatibility with Aelia plugins

3.2.6 – 15/Jun/2022

• FIX: Incorrect static method calling causes parse Error in PHP 5.6.36
• FIX: WebP – Trailing slash file creation issue in PHP 8
• FIX: PHP warning in cache rules file
• FIX: Asynchronous google fonts loaded twice
• TWEAK: Conditional Tags anchor tag fix

3.2.5 – 03/Jun/2022

• FIX: Fix a fatal error that could occur in 3.2.4 if settings had not been saved

3.2.4 – 24/May/2022

• FEATURE: Create a cron job to delete expired cache files
• FEATURE: WebP image format can be used to serve images
• FIX: Incorrect record count after importing
• FIX: Image smushing issues
• FIX: Problem with Redirect – Trailing Slash on URLs
• FIX: Unused images issue with ACF repeater and nested fields
• TWEAK: Added functionality for exclude caching based on conditional tags
• TWEAK: Update last optimized time for scheduled optimizations
• TWEAK: Cache – Prevent already header sent warnings while importing posts
• TWEAK: Improved UI for actionscheduler_ tables
• TWEAK: Add filter to allow/disallow gz file generation
• TWEAK: Show error message to user when WP_CACHE constant can’t be removed from wp-config.php due to file permission issue.

3.2.3 – 09/Mar/2022

• FEATURE: Minify: Pre-generate assets
• FIX: Cache – ‘Purge cache permissions’ setting does not allow additional roles to access the purge cache tool
• TWEAK: Make smush details button work in media modal window
• TWEAK: Do not show overhead in red when the amount is small
• TWEAK: Avoid PHP Notices caused by “upgrader_process_complete” action
• TWEAK: Force monolog 2.3.* in order to avoid PHP 7.2+ dependency

3.2.2 – 24/Jan/2022

• FEATURE: Cache – Allow debugging of which cache file is chosen
• FEATURE: Premium – Cache – Serve cached content for logged in users, per role
• FIX: Premium – Unused Images – Fixed trashed images listing
• FIX: Image selection issue in compressed and unused image is fixed.
• FIX: ACF plugin compatibility issue with select2 JS library
• FIX: Premium – Unused Images – Multibyte characters in filename are not recognised correctly
• FIX: Table optimization displays wrong information about WP All Import plugin tables
• FIX: Potential PHP fatal error – Call to undefined function _wp_get_current_user()
• FIX: Minify – correctly minify multiple calc function in single property value
• FIX: SQL error when keeping post revisions and optimizing
• FIX: Cache – Prevent caching WordPress critical error page
• FIX: Minify – Google fonts merging issue when the same font is enqueued in both API V1 and V2
• FIX: Minify – Make inherit and inline settings work with Google fonts
• FIX: Database error upon plugin activation
• TWEAK: Minify – Show a notice if other minification plugins are installed and active
• TWEAK: Remove unused bundled JavaScript from minify library to avoid irrelevant scan results
• TWEAK: Image compression – Image compression stats include gains on image sizes
• TWEAK: Make sure that messages from WP_Error objects in gzip compression are displayed to users.
• TWEAK: Prevent PHP notice from WooCommerce deprecation
• TWEAK: Create task tables upon activation, if needed.
• TWEAK: Show error instead of success when table doesn’t exist
• TWEAK: Update seasonal notices
• TWEAK: Prevent PHP fatal error in media list view, when images are makred as compressed
• TWEAK: Image edit window – Link does not go to image settings and more/less link not working

3.2.1 – 29/Nov/2021

• FIX: Apply different image compression levels
• FIX: Cache – Purge WooCommerce product page after stock update
• FIX: Database errors after adding a new site
• FIX: Flatsome theme compatibility with google fonts
• FIX: Image compression advanced settings, display default backup days instead of empty value.
• FIX: Image compression was not working when the image extension used capital letters
• FIX: Premium – Cache – Potential PHP error in User-specific cache
• FIX: Premium – resolve potential admin-area PHP error if the deprecated mailchimp sync plugin and MC4WP plugin are both active (and potentially other situations where a plugin deactivates another)
• FIX: Premium – Unused images – compatibility with PHP 8
• FIX: Premium – Unused images – issue with parenthesis in name
• FIX: Premium – Unused images – Pagination count doesn’t update
• FIX: Prevent a PHP notice when using with UpdraftCentral
• FIX: Save prioritize maximum compression setting correctly
• FIX: Wrong redirect when wiping settings on multisite
• TWEAK: Premium – add review link at bottom of settings
• TWEAK: Force monolog/monolog and psr/log versions to retain PHP 5.X compatibility/satisfy wordpress.org SVN hooks
• TWEAK: Add compatibility with Kinsta
• TWEAK: Added functionality for to convert MyISAM to InnoDB
• TWEAK: Add filters for minify input string
• TWEAK: Cache – Added filter to modify cache exception urls
• TWEAK: Cache – Optimize preload from sitemap
• TWEAK: Cache – Serve different versions based on cookie consent
• TWEAK: changed filter to prevent deprecation notice in php 8.1+
• TWEAK: Decide automatically whether to inline css or not based on file size
• TWEAK: Fix typo in text domain name
• TWEAK: get_hurl function minified.
• TWEAK: Improve clarity of debug message when DONOTCACHEPAGE constant is used
• TWEAK: Improve DB UI/UX on multisite
• TWEAK: Improve minify cache size messages
• TWEAK: Making Estatik plugin compatible
• TWEAK: Minify – Add JS translations support
• TWEAK: Minify HTML only on cache pre-loading
• TWEAK: Port from previous semaphore classes to Updraft_Semaphore_3_0
• TWEAK: Premium – Unused images – Show that there are images in the trash without having to re-scan everything
• TWEAK: Prevent a PHP notice when downloading image compression log file. Fix backup modal styling issue.
• TWEAK: Prevent fatal error in gzip settings when stylesheet could not be fetched
• TWEAK: Short-circuit trivial case of nothing in the buffer when page-caching, to involve any possible other issues
• TWEAK: Update comments count after trackbacks and pingbacks deletion
• TWEAK: Update minified asset when the enqueued scripts and styles version change
• TWEAK: Use proper constant of includes path in user cache extension
• TWEAK: Fix path to wpo-plugins-tables-list.json in robots.txt

3.1.12 – 12/Jul/2021

• FEATURE: Ability to defer js files and asynchronously load css files
• FEATURE: Option to not aggregate inline styles and scripts
• FIX: Always purge this cache HTML issue
• FIX: Cache – Enable cache for subfolders and multisite installation with the permalink structure example.com/index.php/a-post-name
• FIX: PHP 8 Issue: Minify and Merge Error
• FIX: Silent failure of page caching if plugin location not found
• TWEAK: Added Update URI header field to avoid accidentally being overwritten with an update of a plugin of a similar name from the WordPress.org Plugin Directory.
• TWEAK: Delay displaying notices for 2 weeks
• TWEAK: Improve label of when saving a media type in always purge this
• TWEAK: Improve query for EWWW IO history
• TWEAK: Prevent a PHP notice if using WP-Optimize and MetaSlider on the same site.
• TWEAK: Prevent PHP warnings from theme update and google font minify
• TWEAK: Skip HTML minification if the total size is > 1MB (takes too long to be worthwhile)
• TWEAK: Updating custom compression slider values

3.1.11 – 08/Jun/2021

• FIX: Cache – Don’t cache pages for logged-in users when ‘Serve cached pages to logged in users’ option (new in 3.1.10) is enabled

3.1.10 – 26/May/2021

• FEATURE: Premium – Cache – User-specific cache. Useful for subscription websites, and websites where tailored content is offered to logged-in users.
• FEATURE: Page cache now also caches RSS feeds
• FEATURE: Ability to exclude files from minify process
• TWEAK: Prevent PHP warning when deactivating Minify and the cache folder does not exist anymore
• TWEAK: Premium – Lazy-load – Possibility to disable Lazy load on specific pages
• TWEAK: Do not enqueue deleted script
• FIX: Minify – Some pattern CSS import statements broke site
• FIX: Minify – Events triggering
• FIX: Google Fonts regression in 3.1.9

3.1.9 – 29/Apr/2021

• FEATURE: Power Tweak – Change meta_key field length and create new index
• FEATURE: Premium – Automatic Backups using UpdraftPlus during scheduled optimizations
• FEATURE: Keep last X revisions
• FIX: Overlapping header notice in mobile view
• FIX: Cache – Wildcard not working in cache exclusions
• FIX: Prevent error in htaccess when mod_header isn’t available
• FIX: PHP Fatal error on deleting plugin
• FIX: PHP 8 Issue: loadAsync JS error
• FIX: RankMath breaks robots.txt
• TWEAK: Bypass minify when editing translations using TranslatePress
• TWEAK: Purge minify cache from front end
• TWEAK: Minify – Prevent cache directory creation while disabled
• TWEAK: Add Google Fonts API version 2 support
• TWEAK: Minify – Save all tab content settings changes with single Click
• TWEAK: Improved optimization preview
• TWEAK: Filter the list of preloaded URLs
• FEATURE: Premium – Cache – Always purge this page
• TWEAK: Update seasonal notices
• TWEAK: Bump WP version requirement to 4.5+

3.1.8 – 12/Mar/2021

• FIX: Cache – Warning failed to open dir
• FIX: Premium – Unused images – Fixed issue with images including a size suffix similar to WP sizes
• FIX: Display optimization data based on retention period
• FIX: Scheduled cleanup settings – Invalid date selection
• TWEAK: Premium – Separate table optimisations per sub-site
• TWEAK: Premium – Unused images – Add compatibility with the Envira Gallery plugin
• TWEAK: Page caching: add support for Avada
• TWEAK: Add visual clue when image compression was cancelled
• TWEAK: Image compression – multi image selection using Ctrl/Shift keys
• TWEAK: Premium – Unused images – Reset last clicked image reference when select none is clicked
• FIX: Premium – Unused images – Pagination not working in the trash
• TWEAK: Prevent bots from indexing plugins list json file
• TWEAK: Minify – Added a setting to change the time stale cache should be kept
• TWEAK: Better support for Beaver Builder
• TWEAK: Prevent PHP warning when reading a file’s size
• TWEAK: Cache – Purge the blog page when updating a post
• TWEAK: Cache – Purge next and previous posts on post update
• TWEAK: Cache – Purge sitemap files on post update

3.1.7 – 12/Feb/2021

• FEATURE: Premium – Preload key requests (Preload fonts and other assets)
• FIX: Detecting Brotli compression issue
• FIX: Cache – PHP Warning in URLs to exclude from caching
• FIX: Premium – Unused images – Unused Images Tool not recognising Greek characters
• FIX: Button for disabling Gzip doesn’t showing
• TWEAK: Database optimization – Prevent fatal error due to files missing
• TWEAK: Skip minify when SCRIPT_DEBUG is set to true
• TWEAK: Fixed Font-awesome settings
• TWEAK: Add support for different spellings of “Font-awesome”
• TWEAK: Update the feature comparison table
• TWEAK: Added the option to not show the warning before deleting a table
• TWEAK: Wipe all options upon plugin de-installation
• TWEAK: Premium – Lazy-load – Lazy load support for background images
• TWEAK: Minify – Add file size in the minify cache summary
• TWEAK: Detect conflicting plugins for GZIP issue
• TWEAK: Database optimization – Include all tables if database prefix is not set on WP install
• TWEAK: Premium – Unused images – added “X of X images loaded” for unused trash images
• TWEAK: Don’t allow to remove actionscheduler_* tables
• TWEAK: Premium – Unused images – Show a progression screen when doing any action with unused images
• TWEAK: Cache – Enable cache for the old default permalink structure domain.com/index.php/a-post-name by creating a folder without the extension
• TWEAK: Show previous action as message on Trackbacks or Comments enable or disable.
• TWEAK: Prevent deprecation notice on PHP 8.0
• TWEAK: Update notices

3.1.6 – 17/Dec/2020

• FIX: Fix wrong class name

3.1.5 – 17/Dec/2020

• FEATURE: Introduction of Power tweaks (premium feature)
• FEATURE: Power tweak – replace WooCommerce “Get total spent” query by a faster one
• FIX: CloudFlare not detected on gzip and browser caching tabs
• FIX: Cloudflare caching issue
• FIX: Premium – Unused images – Download CSV warning
• FIX: PHP 8 compatibility issue WP_Optimize_Browser_Cache->prepare_interval()
• TWEAK: Upgrade jQuery code to deal with deprecations with the latest bundled version
• TWEAK: Fix wrong usage of wp_localize_script to prevent warnings in PHP 8
• TWEAK: Premium – Unused images – Update the data when moving images to the trash / deleting instead of doing a hard refresh
• TWEAK: Change how default exclusions are handled
• TWEAK: Now that PHP 8.0 has been released, bump minimum PHP version requirement from PHP 5.4 to 5.6.
• TWEAK: Delete WP-O’s .htaccess rules at deactivation
• TWEAK: Premium – Unused images – Separate unused images and unused image sizes processes
• TWEAK: Update jQuery document ready style to the one not deprecated in jQuery 3.0
• TWEAK: Minify CSS – Possibility to toggle the google fonts display=swap parameter from the UI.
• TWEAK: Fix small UI issues
• TWEAK: Clean up all cron events when deactivating the plugin
• TWEAK: Premium – Possibility to set permissions for purging page cache and minify files.
• TWEAK: Bypass minify when editing a post using the Brizy editor
• TWEAK: Renamed UpdraftCentral’s command classes filter
• TWEAK: Bump WP version requirement to 4.4+, and PHP version requirement …