The Site Editor will not be part of WordPress core until 5.9. If you want to develop an FSE theme you’ll need the Gutenberg plugin.
This site was developed in parallel with the ThisIs theme. It is a demonstration of a site created using Full Site Editing.
SB Breadcrumbs block
Show breadcrumbs to the current content as links.
SB Children block
List children of the current content as links.
SB PrevNext block
Display Previous and Next links for pages.
SB Post-edit block
Displays an Edit link to authorised users.
OIK information kit. Pre-requisite to oik-fields
Debug trace for WordPress, including action and filter tracing.
Field formatting for custom post type meta data and ‘virtual’ fields.