If in SP Page Builder Settings you enable Load Font Awesome, in Firefox console show following errors:
GET http://localhost/components/com_sppagebuilder/assets/webfonts/fa-solid-900.woff2 404 Not Found
GET http://localhost/components/com_sppagebuilder/assets/webfonts/fa-brands-400.woff2 404 Not Found
GET http://localhost/components/com_sppagebuilder/assets/webfonts/fa-solid-900.woff2 404 Not Found
Joomla 4.4.6 PHP 8.2.5 MySQL 8.0.18, Browser Firefox 129, OS Windows, server Wampserver.
Errors disappears when Load Font Awesome is disabled, but these no load correct fontawesome correct files like components/com_sppagebuilder/assets/css/font-awesome-6.min.css components/com_sppagebuilder/assets/css/font-awesome-5.min.css
Please fix soon