Release v2.0.0

CHANGELOG

v2.0.0 (2026-04-09)

Breaking Changes

Accessibility

• Make the underlying checkbox accessible to screen readers and touch (#276)
• Hide the pseudo-checkbox from the accessibility tree
• Change the clickable label from role="link" to role="button"

Properties

• id: No longer generates a random UUID when empty
• lang:
  • Replaced toggle key with collapseNode and expandNode to better reflect state (#275)
  • Will now merge any missing keys with the default language
• icons: Setting a node icon to null will no longer render the wrapper element (#30)
• iconsClass: Now defaults to 'fa6' for Font Awesome 5/6 instead of Font Awesome 4

Styling

• Drop support for Less.js styles
• The rct-options and rct-option CSS classes are now rct-actions and rct-action respectively
• The rct-title CSS class is now rct-label

Other

• Drop support for React before v16.8
• Fix various issues with the filtering example improperly rendering parents and child nodes (#153, #196, #216)

Added

• Add support for React 19
• Add full support for ESM environments
• Add checkKeys property to allow specification of JavaScript keys to trigger check behavior
• Add onContextMenu property, which will trigger whenever a user right-clicks a node (#237)
• The tree will now preserve original node properties (accessible via onCheck/onExpand) (#421)