Your diagrams are awesome! Are there any lessons you'd be keen to share from creating a diagramming UX in Vue.js? Are you rolling your own or standing atop another library?
Interesting - the diagram isn't SVG based.
I agree with you - one of the nicest I've seen lately.
Was similarly blown away by Whimsical, see https://whimsical.com/P53PjXCBWEi2fdMjP2Hti