Wp Rocket 3.17.3

Enhancement: Add display=swap parameter to Google font even when there is only one on the page and the Combine Google Fonts option is enabled (#2241)
Bugfix: Prevent the combined Google Fonts link from causing a 404 error in specific conditions (#2328)
Bugfix: Prevent invalid characters in inserted critical path CSS when using Optimize CSS Delivery option (#2333)
Bugfix: Prevent the cache from being recreated on each page load when the WebP cache option is enabled and there is no WebP images on the page (#2280)

Bugfix: Prevent deletion of licence-data.php file after license validation on multisite
Bugfix: Prevent PHP Fatal Error after update to 3.5 when also using the GDPR Cookie Consent plugin by WebToffee

Bugfix: Prevent a PHP fatal error caused by the use of wp_unslash() in the process.php file (#2376)
Bugfix: Prevent an inaccurate preload counter display in the admin notice (#2341)
Bugfix: Correctly auto-generate critical path CSS when enabling the Optimize CSS Delivery option (#2302)