Wp Rocket 3.17.2.1

Enhancement: Improve Google Fonts Optimization by preloading and asychronously loading the Google Fonts URL
Enhancement: Automatically exclude invalid script types from delay JS
Enhancement: Improve helper text for the delay JS exclusions field
Bugfix: Prevent high CPU usage on some hosts when using remove unused CSS
Bugfix: Update our minification library to fix several issues
3rd party compatibility: Prevent display issue of the images gallery on a WooCommerce product page when delay JS is enabled
3rd party compatibility: Add additional exclusions from combine/defer JS

Enhancement: Remove default exclusion list from Delay JavaScript Execution
Enhancement: Update Smush pattern to catch all Smush files
BugFix: Add Delay JS auto-exclusion for some plugins
BugFix: Add auto-exclusion for Fluent Form & ConverPro
Enhancement: Add Jetpack Stats Delay JS Auto-Exclusion
Enhancement: Update DelayJS script to the latest version
BugFix: Multiple CSS files aren't removed from page source while RUCSS and Woocommerce are enabled

This is BETA version, you should upload this only via ftp. If you upload the plugin from wp dashboard you will get error.

Enhancement: Remove default exclusion list from Delay JavaScript Execution
Enhancement: Update Smush pattern to catch all Smush files
BugFix: Add Delay JS auto-exclusion for some plugins
BugFix: Add auto-exclusion for Fluent Form & ConverPro
Enhancement: Add Jetpack Stats Delay JS Auto-Exclusion
Enhancement: Update DelayJS script to the latest version
BugFix: Multiple CSS files aren't removed from page source while RUCSS and Woocommerce are enabled