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[Bug]: Dropdown selector shows unexpected border on selected item #20774

@heloiselui

Description

@heloiselui

Package

@carbon/react

Browser

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Package version

v1.93

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Description

In the React Dropdown component, there’s an unwanted border when the selector is selected. Below is an image to illustrate the issue.

Image

Note

The ComboBox component can be used as a reference, as it follows the correct behavior. You can also check the documentation.

Expected:

Image

Reproduction/example

https://react.carbondesignsystem.com/?path=/story/components-dropdown--default

Steps to reproduce

  • Go to React Storybook > Dropdown > Default
  • Access the Dropdown, select an item, then press the arrow key up or down
  • If you look closely at the item (when the focus leaves it), there's a border on top, it doesn't appear fully selected.
Screen.Recording.2025-10-22.at.14.42.08.mov

Suggested Severity

Severity 4 = Unrelated to a user task, has a workaround or does not need a workaround.

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