These are separate projects from Full Site Editing though but are worth being aware of as they ultimately help the cause of getting more people adjusted to using blocks in more places.
There are other projects, like the Navigation Editor and Widget Editor, that are meant to specifically help classic themes begin adapting more to the block framework and to act as a stepping stone of sorts to Full Site Editing. Query Block: a new block that replicates the classic WP_Query and allows for further customization with additional functionality.Navigation Block: a new block that allows you to edit a site’s navigation menu, both in terms of structure and design.Browsing: the feature that unlocks the ability to navigate between various entities in the site editing experience including templates, pages, etc.Theme Blocks: new blocks that accomplish everything possible in traditional templates using template tags (ex: Post Author Block).Styling: the feature that enables styling modifications across three levels (local blocks, theme defaults, and global modifications).Block Theme: work to allow for a theme that’s built using templates composed using blocks that works with full site editing.Template Editing: a scaled down direct editing experience allowing you to edit/change/create the template a post/page uses.Site Editor: the cohesive experience that allows you to directly edit and navigate between various templates, template parts, styling options, and more.What follows are brief descriptions of the major pieces with more details found here: Projects under Full Site Editing (FSE) include everything from the Site Editor, Global Styles, numerous Site/Post/Page specific blocks, Query block, Navigation block, Templates, and block themes.
You can think of Full Site Editing as the umbrella project name for various sub-projects within Gutenberg that make this vision possible. Browse: Home / Block Editor Handbook / Getting Started / Full Site Editing Full Site Editing EditĪt the highest level, the vision of Full Site Editing is to provide a collection of features that bring the familiar experience and extendability of blocks to all parts of your site rather than just post and pages.