Browsertech Digest: Figma is a File Editor
digest.browsertech.com
Web apps vs file editors, Figma's architecture, and using S3 as a filesystem - a deep dive into building desktop-class software in the browser.

A high level but interesting write up of how Figma (a browser-based collaborative design tool) behaves like a file editor (their term), and how it overcomes the natural affinity of web apps to RDBMS-backed CRUD persistence patterns.