The team is now working on the WordPress Interactivity API. This unblocks the same UX Frontity framework enabled but directly in WordPress Core, fully compatible with the new Site Editor.
If you hover over them, you can see that it shows the right domain for the link, but it reloads the page if you click it. And in localhost, I have now noticed that the links are not relative. Every other link on the homepage is relative because I have entered them as relative in the Gutenberg editor. But according to the documentation, the processor should turn absolute links into relative.
The GitHub repo:
Is it a bug with the processor, or am I doing something wrong?