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Thank you for your contribution to Dash! 🎉 This PR is exempt from requiring a linked issue due to its labels. |
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First, I want to say that this is a great step at the flexibility of Dash and reducing network load. I have some concerns with security of the app level websockets that are currently implemented:
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Implements WebSocket-based callbacks for Dash, enabling real-time bidirectional communication between the renderer and backend. This replaces HTTP POST requests with persistent WebSocket connections for reduced latency and server-push capabilities.
Architecture
A SharedWorker maintains a single WebSocket connection shared across all browser tabs, routing messages between renderers and the server.
Usage
Use with fastapi
pip install dash[fastapi]==4.2.0rc1(when available).Example app in
wsapp.py(to be deleted before full release alongside quart_app.py)