it is dynamic in the frontend, maybe you tested on 9.8? it will be available in 9.9 which is now in beta

what fields are missing for you? we have some in the works.

Hey @cr0ybot.com, an engineer from the Checkout team here. We iterated over that plugin for some time know, at some point I made it partially compatible but we decided not to publish it, what we're doing is just build the plugin directly into Checkout block, so you edit fields from the editor, free.

WordPress and the block editor are perfect for his use case, long form blogging/content.