Dash

Fixed

- [2700](https://github.com/plotly/dash/pull/2700) Fix `_allow_dynamic_callbacks` for newly-added components.

Fixed

- [2672](https://github.com/plotly/dash/pull/2672) Fix `get_caller_name` in case the source is not available.

Changed

- [2674](https://github.com/plotly/dash/pull/2674) Raise flask & werkzeug limits to <3.1

Fixed

- [2634](https://github.com/plotly/dash/pull/2634) Fix deprecation warning on pkg_resources, fix [#2631](https://github.com/plotly/dash/issues/2631)

Changed

- [2635](https://github.com/plotly/dash/pull/2635) Get proper app module name, remove need to give `__name__` to Dash constructor.

Added

- [2647](https://github.com/plotly/dash/pull/2647) `routing_callback_inputs` allowing to pass more Input and/or State arguments to the pages routing callback
- [2649](https://github.com/plotly/dash/pull/2649) Add `_allow_dynamic_callbacks`, register new callbacks inside other callbacks.
**WARNING: dynamic callback creation can be dangerous, use at you own risk. It is not intended for use in a production app, multi-user or multiprocess use as it only works for a single user.**

- Add persistent selections via layout attributes `selections`, `newselection`, and `activeselection`, along with an updated UI allowing you to modify a selection you created.
- Add unselected line styling to `parcoords` traces.
- Add more quartile algorithms to `violin` traces.
- More flexible axis `automargin` behavior.
- And several other enhancements and bug fixes.

Changed

- [2610](https://github.com/plotly/dash/pull/2610) Load plotly.js bundle/version from plotly.py

Added

- [2630](https://github.com/plotly/dash/pull/2630) New layout hooks in the renderer

Fixed

- [2625](https://github.com/plotly/dash/pull/2625) Fix background callbacks without cancel arguments failing setup, fix [#2624](https://github.com/plotly/dash/issues/2624)