Dash

Added

- [2832](https://github.com/plotly/dash/pull/2832) Add dash startup route setup on Dash init.
- [2819](https://github.com/plotly/dash/pull/2819) Add dash subcomponents receive additional parameters passed by the parent component. Fixes [#2814](https://github.com/plotly/dash/issues/2814).
- [2826](https://github.com/plotly/dash/pull/2826) When using Pages, allows for `app.title` and (new) `app.description` to be used as defaults for the page title and description. Fixes [#2811](https://github.com/plotly/dash/issues/2811).
- [2795](https://github.com/plotly/dash/pull/2795) Allow list of components to be passed as layout.
- [2760](https://github.com/plotly/dash/pull/2760) New additions to dcc.Loading resolving multiple issues:
- `delay_show` and `delay_hide` props to prevent flickering during brief loading periods (similar to Dash Bootstrap Components dbc.Spinner)
- `overlay_style` for styling the loading overlay, such as setting visibility and opacity for children
- `target_components` specifies components/props triggering the loading spinner
- `custom_spinner` enables using a custom component for loading messages instead of built-in spinners
- `display` overrides the loading status with options for "show," "hide," or "auto"

- [2822](https://github.com/plotly/dash/pull/2822) Support no output callbacks. Fixes [#1549](https://github.com/plotly/dash/issues/1549)
- [2822](https://github.com/plotly/dash/pull/2822) Add global set_props. Fixes [#2803](https://github.com/plotly/dash/issues/2803)

Fixed

- [2362](https://github.com/plotly/dash/pull/2362) Global namespace not polluted any more when loading clientside callbacks.
- [2833](https://github.com/plotly/dash/pull/2833) Allow data url in link props. Fixes [#2764](https://github.com/plotly/dash/issues/2764)
- [2822](https://github.com/plotly/dash/pull/2822) Fix side update (running/progress/cancel) dict ids. Fixes [#2111](https://github.com/plotly/dash/issues/2111)
- [2817](https://github.com/plotly/dash/pull/2817) Change hashing algorithm from md5 to sha256, Fixes [#2697](https://github.com/plotly/dash/issues/2697).
- [2816](https://github.com/plotly/dash/pull/2816) Fix dcc.Dropdown value not updated when option is removed. Fixes [#2733](https://github.com/plotly/dash/issues/2733).
- [2823](https://github.com/plotly/dash/pull/2823) Fix None in "wait" methods causing incorrectly passing tests. Fixes [#2818](https://github.com/plotly/dash/issues/2818)

- [2363](https://github.com/plotly/dash/pull/2363) Update html attributes for ol

Fixed

- [2783](https://github.com/plotly/dash/pull/2783) Remove dynamic loading.

Fixed

- [2756](https://github.com/plotly/dash/pull/2756) Prevent false dangerous link warning. Fixes [#2743](https://github.com/plotly/dash/issues/2743)
- [2752](https://github.com/plotly/dash/pull/2752) Fixed issue with Windows build, for first time build on Windows, the dev needs to use `npm run first-build`

Changed

- [2734](https://github.com/plotly/dash/pull/2734) Configure CI for Python 3.10 [#1863](https://github.com/plotly/dash/issues/1863)
- [2735](https://github.com/plotly/dash/pull/2735) Configure CI for Python 3.8 and 3.12, drop support for Python 3.6 and Python 3.7 [#2736](https://github.com/plotly/dash/issues/2736)

Added
- [2762](https://github.com/plotly/dash/pull/2762) Add dynamic loading of component libraries.
- Add `dynamic_loading=True` to dash init.
- Add `preloaded_libraries=[]` to dash init, included libraries names will be loaded on the index like before.
- [2758](https://github.com/plotly/dash/pull/2758)
- exposing `setProps` to `dash_clientside.clientSide_setProps` to allow for JS code to interact directly with the dash eco-system
- [2730](https://github.com/plotly/dash/pull/2721) Load script files with `.mjs` ending as js modules
- [2770](https://github.com/plotly/dash/pull/2770) Add running to regular callbacks.