How to unlock font book in Sonoma 14.4.1 on Mac

Font Book doesn't even show all of the installed System fonts. Adobe shows any font that's active.

What Apple has been trying to do is prevent all apps from seeing fonts that aren't part of your region/language. Almost all apps now use Apple's API to prevent you from seeing those fonts. Like the Affinity Suite and Microsoft Office. Adobe is refusing to implement these APIs.

The issue is, the fonts are active, but aren't registered to the system as available to the user. Since the Adobe apps ignore this, you see these fonts in its lists when you shouldn't. That confuses the Adobe suite as it sees these active fonts, but the system also tells the apps the fonts aren't available.

Has anyone found a fix to unlocking these fonts? I'm having the same issue and can't use certain fonts like ZapfDingbats in Illustrator. I see the note that certain fonts can't be used with Creative Cloud but surely there's a way to access them?

As of Ventura, all fonts in the System folder cannot in any way be modified by the user. Before Ventura, you could disable as many of the fonts in the /System/Library/Fonts/Supplemental folder as you wanted. But even those were cut off in Ventura.

ZapfDingbats has been an oddball for at least the past five major OS releases. It doesn't appear in many apps, even though it's active. You could try putting a copy of it in your user account Fonts folder and see what happens.

All of those are fonts installed with the OS. You can't touch any of them. They cannot be deleted from the drive, or even just disabled.