Full Site Editing with Gutenberg Block Editor is said to be one of the main goals of current Gutenberg block development. Development of Gutenberg-block based themes and their experimental use have started appearing in WordPress core development blogs. Riad Benguella, one of the Gutenberg developers writes in his personal blog I’m using a block-based theme. In his post, Riad encourages the following resources to learn more about the project.
Full Site Editing Features
The development of Full site editing is one of the goals of WordPress Core/technology focus for 2020. Current development, however, appears to be focused on creating essential components/templates (eg. blocks, patterns, block variation, etc) for a full site.
Gutenberg-block Based Themes
Link to Experimental theme GitHub Repository: WordPress Theme Experiments
Resources and Background
The following resources that are listed as useful context for learning more about block-based themes: