Merge pull request #3322 from plotly/release/dash-3.1.0

Update changelog & merge 3.1 feature.

Author: T4rk1n

CHANGELOG.md

@@ -10,10 +10,19 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 - [#3298](https://github.com/plotly/dash/pull/3298) Fix dev_only resources filtering.
 - [#3315](https://github.com/plotly/dash/pull/3315) Fix pages module is package check.
 - [#3319](https://github.com/plotly/dash/pull/3319) Fix issue where `ExternalWrapper` would remove props from the parent component, now there is a `temp` that is passed to check if it should be removed on unmount.
+- [#3108](https://github.com/plotly/dash/pull/3108) Fix layout as list for pages.
+- [#1906](https://github.com/plotly/dash/pull/1906) Make graph height more responsive.
+- [#2927](https://github.com/plotly/dash/pull/2927) Fix unexpected behaviour of the cursor in dcc.Input
 
 ## Added
 - [#3294](https://github.com/plotly/dash/pull/3294) Added the ability to pass `allow_optional` to Input and State to allow callbacks to work even if these components are not in the dash layout.
 - [#3077](https://github.com/plotly/dash/pull/3077) Add new parameter `assets_path_ignore` to `dash.Dash()`. Closes [#3076](https://github.com/plotly/dash/issues/3076)
+- [#3202](https://github.com/plotly/dash/pull/3202) expose the closeMenuOnSelect option in dropdown component
+
+## Changed
+
+- [#3303](https://github.com/plotly/dash/pull/3303) Improve flatten_grouping performance (callback with dictionary output/input)
+- [#3304](https://github.com/plotly/dash/pull/3304) Speed up function _operation by 80%
 
 ## [3.0.4] - 2025-04-24
 

components/dash-core-components/src/components/Dropdown.react.js

@@ -145,6 +145,11 @@ Dropdown.propTypes = {
      */
     disabled: PropTypes.bool,
 
+    /**
+     * If false, the menu of the dropdown will not close once a value is selected.
+     */
+    closeMenuOnSelect: PropTypes.bool,
+
     /**
      * height of each option. Can be increased when label lengths would wrap around
      */
@@ -214,6 +219,7 @@ Dropdown.defaultProps = {
     searchable: true,
     optionHeight: 35,
     maxHeight: 200,
+    closeMenuOnSelect: true,
     persisted_props: ['value'],
     persistence_type: 'local',
 };

components/dash-core-components/src/fragments/Dropdown.react.js

@@ -33,6 +33,7 @@ const RDProps = [
     'maxHeight',
     'style',
     'className',
+    'closeMenuOnSelect',
 ];
 
 const Dropdown = props => {