Sorry to revive an old thread, has there been any development progress towards web socket support?
There is even advocacy for it from plot.ly employees:
- https://github.com/plotly/dash/pull/362#issuecomment-421191908
- Streaming Data from Firebase into Dash
It seems like switching from Flask to Quart might make the mountain somewhat easier to climb https://gitlab.com/pgjones/quart.