Hi, can you please clear browser’s cache & click on Apply button once again? (maybe you will have to repeat this procedure 2 times).
It still works fine, however, something strange is happening when fonts are changed (like caching effect), and I am not sure right now why. Will have to check and report back.
Well, on my live server it works properly, when I activate DevTools (with option to disable cache while DT is opened) it works as it should (latest WP).
On my local server, however, it requires extra refresh (CTRL+F5) for some reason. Now, I have checked, plugin indeed works properly, CSS files are regenerated after the first change, but why WP does not load them is something I don’t know.
It is not browser-related, same happens in Edge for example, and I can assume it’s the same in Firefox.
I have this problem in WP since long time ago, when post is updated, I need to perform extra refresh cycle in Admin, and I still don’t know why it affects WP only (all other platforms on the same server work normally).
I will close this issue for now, as it is not plugin-related, apparently.