Flow Browser can now run @googledocs. Here's a detailed description of how we fixed many of the browser bugs. https://www.ekioh.com/devblog/google-docs-in-a-clean-room-browser/
The blog was written entirely in @FlowBrowser on a @Raspberry_Pi 400.

Here are some more sites that demonstrate Flow's regularly increasing feature set. A montage of more sites is on the Flow page: https://www.ekioh.com/flow-browser/#popular-pages-in-flow