The block editor is Droplet: https://github.com/PencilCode/droplet https://github.com/PencilCode/droplet. The author of Pencil Code has a good paper which outli

The block editor is Droplet: https://github.com/PencilCode/droplet https://github.com/PencilCode/droplet. The author of Pencil Code has a good paper which outlined the history of block editors: http://ideas.pencilcode.net/home/htmlcss/droplet-paper.pdf http://ideas.pencilcode.net/home/htmlcss/droplet-paper.pdf.