Fixed AJAX nonce implementation to properly pass security token from JavaScript
3.5.1 [2025.10.22]
Plugin and Author URL update
3.5.0 [2025.10.05]
Fixed UTF-8 encoding issues with CSS minification that caused icon fonts to display incorrectly
Added @charset “UTF-8” declaration to all minified CSS files for proper encoding
Fixed undefined variable warnings for $enable_css_minification
Improved encoding detection to prevent double-encoding of valid UTF-8 content
Enhanced compatibility with icon fonts using literal Unicode characters
Added support for CLP Varnish Cache (cloudpanel.io) integration for automatic cache purging
3.4.3 [2025.02.15]
bugfix
3.4.2 [2025.02.15]
Quick PHP deprecation fixes and WP version compatibility update
3.4.1 [2023.10.19]
removed integrity attributes on minified files
3.4.0 [2023.02.21]
better third party cache plugins detection
3.3.9 [2023.01.21]
fixed a bug with PHP 8.1 detected encodings and a few notices
3.3.8 [2022.12.28]
fixed a typo
3.3.7 [2022.12.28]
fixed a bug with the Allowed Query Strings setting
3.3.6 [2022.12.13]
buffer compatibility improvements with WP-Super-Cache, W3 Total Cache, WP Rocket, LiteSpeed Cache and Cache Enabler
3.3.5 [2022.12.13]
fixed a notice with php cli
3.3.3 [2022.12.12]
buffer bug fix
3.3.3 [2022.12.11]
custom cache directory fixes
upgraded matthiasmullie’s PHP Minify to 1.3.70
move the viewport meta tag up, before preloading tags
3.3.2 [2022.10.07]
improved compatibility with WP Links and All in One SEO
additional constant for custom initialization
better output buffer processor
3.3.1 [2022.10.06]
bug fix
3.3.0 [2022.10.06]
fixed minification error on html pre tags
fixed an error notice
bumped minimum requirements to PHP 7 and WP 5
3.2.9 [2022.08.30]
legacy code removal and other bugfixes
3.2.8 [2022.05.30]
ajax bugfix
3.2.7 [2022.05.30]
cloudways & godaddy cache purging fixes
3.2.6 [2022.02.06]
cache purging fixes
3.2.5 [2022.02.01]
changed writing the css/js files to WP_Filesystem_Direct with a secondary fallback method
fixed a bug when merging css/js can break the site layout if the plugin failed to write the cache file (there will be an html comment on the footer if this happens)
renamed a common name class to avoid conflicts with other plugins
3.2.4 [2022.01.31]
WP 5.9 / PHP 8 maintenance release
changed deferred css/js cache clearing from 24h to 7 days
added cache purging support for nginx helper plugin
added option to allow processing on specific query strings
other bug fixes
3.2.3 [2021.05.15]
added auto varnish cache purge for Cloudways
switched from WP_Filesystem_Direct() to WP_Filesystem()
3.2.2 [2021.05.09]
fixed some JS files not being minified
3.2.1 [2021.05.07]
added support for custom cache location via wp-config.php constants
changed the default cache directory to wp-content/cache
3.2.0 [2021.05.06]
fixed an issue where some files were not being minified
better sourceMappingURL removal during minification
3.1.9 [2021.05.05]
fixed an issue with some base64 encoded fonts and icons becoming invalid
changed @import CSS rules order according to specification (@import rules need to get processed first when minifying)
3.1.8 [2021.04.30]
fixed missing dynamic css/js urls
fixed some relative static assets paths
added auto disabling of FVM on Web Stories (AMP)
3.1.7 [2021.04.26]
more php notices fixes
3.1.6 [2021.04.25]
php notices fixes
better http2 support
3.1.5 [2021.04.24]
added support for WP Cloudflare Super Page Cache plugin
fixed support for LiteSpeed Cache purging
changed the cache directory to the uploads directory (WP_Filesystem_Direct)
deprecated CSS and JS merging as this is no longer recommended for HTTP/2 servers
stop removing RSS feeds references on the header cleanup option
changed some descriptions and updated the HELP section
other bug fixes
3.1.4 [2021.01.11]
disable FVM update routines when a user runs wp-cli commands outside of the root directory
database routine improvements for users with custom table prefixes
3.1.3 [2021.01.10]
Link preload headers improvement
3.1.2 [2021.01.09]
Fixed a PHP notice on wp-admin
3.1.1 [2021.01.09]
Added option to disable preload header
Added support for the preload header importance attribute
Better default settings for new installs
Other bug fixes related to UTF-8 decoding and merging
3.1.0 [2021.01.06]
Added support for WP AMP by custom4web
Fix for and
<
pre> tags being minified
* Better HTML document detection for minification
3.0.9 [2021.01.04]
Added page caching purging support for Hummingbird and WP-Optimize from FVM
3.0.8 [2021.01.02]
Improved compatibility and better detection of dynamic CSS and JS files (files generated with PHP instead of being static)
3.0.7 [2021.01.02]
Fixed incorrect paths on subdirectory sites (inside merged CSS files)
3.0.6 [2021.01.01]
Adjusted the HELP tab settings
Improved compatibility with CSS merging on WP Bakery
3.0.5 [2021.01.01]
Fixed the cache paths on Windows Servers
Fixed incorrect file paths on subdirectory sites
Fixed the CDN integration not replacing the domain name
Fixed CSS font-display replacements
3.0.4 [2020.12.31]
Improved compatibility on CSS merging with optimole and similar services
Fixed some PHP notices and other minor issues
3.0.3 [2020.12.29]
Prevent minification on XML content that do not trigger WordPress conditionals
Added support for critical path positioning before the CSS files when Async mode is enabled
Minor bugfixes
3.0.2 [2020.12.29]
Added option to preserve settings on uninstall
Added option to inline all CSS (merging is still the recommended method)
Added option to force HTTPS on the generated cache file urls
Added an ignore list to the JS section (also imported from FVM 2 settings)
Improved compatibility with FVM 2 (you still need to specify what JS paths you want to merge)
Preserve the old FVM 2 settings on the database (will be removed on version 3.2)
3.0.1 [2020.12.27]
Added initial translation support under the “fast-velocity-minify” text domain.
3.0.0 [2020.12.26]
New version has been remade from scratch
JS Optimization is disabled by default and requires manual configuration
Third party scripts can now be delayed until user interaction, to improve the initial loading time
2.8.9 [2020.06.23]
new filter for wp hide compatibility
2.8.8 [2020.05.01]
bug fixes for woocommerce, which could result in 403 errors when adding to cart under certain cases
2.8.7 [2020.04.30]
fixed the sourceMappingURL removal regex introduced on 2.8.3 for js files and css files
2.8.6 [2020.04.30]
fixed an error notice on php
2.8.5 [2020.04.30]
bug fixes and some more minification default exclusions
2.8.4 [2020.04.24]
added frontend-builder-global-functions.js to the list of minification exclusions, but allowing merging (Divi Compatibility)
2.8.3 [2020.04.17]
Removed some options out of the autoload wp_option to avoid getting cached on the alloptions when using OPCache
Removed the CDN purge option for WP Engine (not needed since FVM automatically does cache busting)
Added support for Kinsta, Pagely, Pressidum, Savvii and Pantheon
Better sourcemaps regex removal from minified css and js files
2.8.2 [2020.04.13]
Skip changing clip-path: url(#some-svg); to absolute urls during css minification
Added a better cronjob duplicate cleanup task, when uninstalling the plugin
2.8.1 [2020.03.15]
added filter for the fvm_get_url function
2.8.0 [2020.03.10]
improved compatibility with Thrive Architect editor
improved compatibility with Divi theme
2.7.9 [2020.02.18]
changed cache file names hash to longer names to avoid colisions on elementor plugin
2.7.8 [2020.02.06]
updated PHP Minify with full support for PHP 7.4
added try, catch wrappers for merged javacript files with console log errors (instead of letting the browser stop execution on error)
improved compatibility with windows servers
improved compatibility for font paths with some themes
2.7.7 [2019.10.15]
added a capability check on the status page ajax request, which could show the cache file path when debug mode is enabled to subscribers
2.7.6 [2019.10.10]
bug fix release
2.7.5 [2019.10.09]
added support to “after” scripts added via wp_add_inline_script
2.7.4 [2019.08.18]
change to open JS/CSS files suspected of having PHP code via HTTP request, instead of reading the file directly from disk
2.7.3 [2019.07.29]
Beaver Builder compatibility fix
2.7.2 [2019.07.29]
fixed a PHP notice when WP_DEBUG mode is enabled on wordpress
small improvements on google fonts merging
2.7.1 [2019.07.27]
fixed an AMP validation javascript error
2.7.0 [2019.07.23]
some score fixes when deferring to pagespeed is enabled
2.6.9 [2019.07.15]
custom cache path permissions fix (thanks to @fariazz)
2.6.8 [2019.07.06]
header preload fixes (thanks to @vandreev)
2.6.7 [2019.07.04]
added cache purging support for the swift cache plugin
changed cache directory to the uploads directory for compatibility reasons
better cache purging checks
2.6.6 [2019.06.20]
cache purging bug fixes
php notice fixes
2.6.5 [2019.05.04]
fixed cache purging on Hyper Cache plugin
removed support for WPFC (plugin author implemented a notice stating that FVM is incompatible with WPFC)
improved the filtering engine for pagespeed insights on desktop
2.6.4 [2019.03.31]
fixed subdirectories permissions
2.6.3 [2019.03.30]
fixed another minor PHP notice
2.6.2 [2019.03.27]
fixed a PHP notice on urls with query strings that include arrays on keys or values
2.6.1 [2019.03.26]
fixed compatibility with the latest elementor plugin
fixed adding duplicate cron jobs + existing duplicate cronjobs cleanup
fixed duplicate “cache/cache” directory path
changed the minimum PHP requirements to PHP 5.5
2.6.0 [2019.03.02]
fixed cache purging with the hypercache plugin
fixed a bug with inline scripts and styles not showing up if there is no url for the enqueued handle
changed the cache directory from the wp-content/uploads to wp-content/cache
improved compatibility with page cache plugins and servers (purging FVM without purging the page cache should be fine now)
added a daily cronjob, to delete public invalid cache files that are older than 3 months (your page cache should expire before this)
