[wp-trac] [WordPress Trac] #63531: Category dropdown does not meet WCAG 2.2 A on windows and some linux systems

[WordPress Trac]

#63531: Category dropdown does not meet WCAG 2.2 A on windows and some linux
systems
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 Reporter:  adrock42              |       Owner:  joedolson
     Type:  defect (bug)          |      Status:  accepted
 Priority:  normal                |   Milestone:  6.9
Component:  Widgets               |     Version:
 Severity:  normal                |  Resolution:
 Keywords:  has-patch has-test-   |     Focuses:  accessibility, javascript
  info                            |
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Changes (by nikunj8866):

 * keywords:  has-patch has-test-info needs-testing => has-patch has-test-
               info


Comment:

 == Test Report
 ✅ This report validates that the indicated patch works as expected.

 Patch tested: https://github.com/WordPress/wordpress-develop/pull/9810

 === Environment
 - WordPress: 6.9-alpha-60093-src
 - PHP: 8.2.28
 - Server: nginx/1.29.0
 - Database: mysqli (Server: 8.4.5 / Client: mysqlnd 8.2.28)
 - Browser: Chrome 141.0.0.0
 - OS: Windows 10/11
 - Theme: Twenty Twenty-One 2.6
 - MU Plugins: None activated
 - Plugins:
   * Test Reports 1.2.0
   * Classic Widgets 0.3

 === Steps to Reproduce
 1. Create several post categories and assign them to posts.
 2. Install and activate the **Classic Widgets plugin**
 (https://wordpress.org/plugins/classic-widgets/).
 3. Add a **Categories widget** to a sidebar or another widget area, and
 enable the Display as dropdown option.(https://prnt.sc/M00ewMxnhx-S)
 4. On the frontend, **focus** on the Categories dropdown using **Tab** or
 mouse click.
 5. Use the **Arrow Down key** to highlight another category in the list.
 6. 🐞 Press **Esc (Escape)** to close the dropdown.

 === Before Patch
 - Pressing **Esc (Escape)** caused the browser to navigate to the selected
 category archive page instead of closing the dropdown.

 === Expected Results
 - Pressing **Esc (Escape)** should close the dropdown without triggering
 navigation to category archive page.
 - The previously selected value should remain unchanged.

 === Actual Results
 - ✅ With the patch applied, pressing **Esc (Escape)** closes the dropdown
 correctly without redirection.
 - Navigation now occurs only when the user confirms a selection (e.g., by
 pressing **Enter** or using a **mouse click**).

 === Supplemental Artifacts
 Before Patch: https://screenrec.com/share/OszYSTlP8W
 After Patch: https://screenrec.com/share/bezgktxXZI

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Ticket URL: <https://core.trac.wordpress.org/ticket/63531#comment:16>
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