dash

Added - 3826(https://github.com/plotly/dash/pull/3826) WebSocket callback dispatch no longer lets long-lived callbacks limit the number of concurrent users. Async callbacks (including session-persis

Added - 3796(https://github.com/plotly/dash/pull/3796) MCP: Add configure_mcp_server() to toggle which content the MCP server exposes (include_layout, include_callbacks, include_clientside_callbacks

4.2.0 - 2026-06-01 - The Freedom Update This release marks a major milestone for Dash, bringing unprecedented flexibility to how you build and deploy your applications. 🚀 Multiple Backend Sup

Added - 3637(https://github.com/plotly/dash/pull/3637) Added debounce prop to Dropdown. Fixed - 3629(https://github.com/plotly/dash/pull/3629) Fix date pickers not showing date when initially