CoreUI PRO v5.26.0 - MultiSelect Enhancements
Tuesday, June 16, 2026
We are excited to announce the release of CoreUI PRO v5.26.0 for Bootstrap. This release delivers significant enhancements to the Multi Select component, adding a select-all toggle, selectable option groups, a custom dropdown header template, a native select overlay for browser required validation, and a range of accessibility improvements.
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How to Update
To update your project to CoreUI PRO v5.26.0, follow these steps:
- Open your project’s
package.json. - Locate the
@coreui/coreui-proentry under dependencies and update the version number to5.26.0. - Save your changes to the
package.jsonfile. - In your project’s root directory, run the update command appropriate for your package manager:
- For npm users, execute
npm install. - For yarn users, execute
yarn install. - For pnpm users, execute
pnpm install.
- For npm users, execute
What’s New
Features
- MultiSelect - Select All Toggle: Added a select-all toggle with configurable modes and styles.
- MultiSelect - Selectable Groups: Option groups can now be selected together.
- MultiSelect - Custom Header Template: Added a header template for customizing the dropdown header.
- MultiSelect - Native Select Overlay: Added a native select overlay so browser
requiredvalidation works, with data-attribute initialization.
Accessibility
- MultiSelect: Accessibility improvements including
aria-selected, live regions, Space-key selection, and search labeling.
Bug Fixes & Refactors
- MultiSelect: Refresh native
multiple/requiredstate onupdate(). - MultiSelect: Reduced duplicated lookups and redundant queries, unified group detection with
_isOptionGroup, and renamed_updateOptionsListto_selectInitialOptions.
Migration Notes
This is a feature release with no breaking changes announced in the published release notes. After upgrading:
- Install updated dependencies.
- Run your test suite and verify the build.
- Explore the new Multi Select options in your forms.
For the latest package files and update access, visit CoreUI Downloads.



