TYPO3 v15 dev-main snapshot ()

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+..  include:: /Includes.rst.txt
+
+..  _feature-106637-1760521627:
+
+========================================================
+Feature: #106637 - Implement accessible combobox pattern
+========================================================
+
+See :issue:`106637`
+
+Description
+===========
+
+A new ARIA 1.2–compliant combobox web component has been introduced, replacing
+the legacy value picker select pattern. The implementation follows the W3C
+accessibility guidelines and provides complete keyboard navigation support.
+
+FormEngine elements, including
+:php-short:`\TYPO3\CMS\Backend\Form\Element\EmailElement`,
+:php-short:`\TYPO3\CMS\Backend\Form\Element\InputTextElement`, and
+:php-short:`\TYPO3\CMS\Backend\Form\Element\NumberElement`, have been updated to
+use the new combobox component instead of the previous value picker
+implementation. The link browser components have also been adapted to use the
+combobox pattern.
+
+Impact
+======
+
+The new combobox component offers full keyboard navigation using the arrow keys,
+Enter, Tab, and Escape.
+
+It includes visual selection indicators with checkmarks and a clear button
+for resetting the input value, improving accessibility and overall usability
+in the TYPO3 backend.
+
+..  index:: Backend, ext:backend