feat: add dropdown toolbar buttons to Rich Editor - #19278
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danharrin merged 10 commits intoMar 17, 2026
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Please refactor the implementation to use an object, such as ToolbarButtonGroup, to configure the groups instead of nested arrays. You could introduce a textualButtons() config method on that object instead of introducing selectModeDropdowns() for the entire editor.
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Add `ToolbarButtonGroup` config object and `RichEditorDropdownTool` rendering component to group related toolbar buttons into compact dropdown menus. Supports icon-based dropdowns and text-label select mode via `textualButtons()`.
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Summary
toolbarButtons()or by registeringRichEditorDropdownToolinstances intools()RichEditorDropdownToolsupports icon mode (inline row of icons) and select mode (vertical list with labels)paragraphtool to core Rich Editor toolsmenu,menuitem,aria-haspopup)paragraphtoolTest plan
hasToolbarButton()for dropdown options, cache invalidation, and group interopvendor/bin/pest tests/src/Forms/Components/RichEditorTest.php)composer cs)