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  1. Qt
  2. QTBUG-46546

REG[5.4.0 - 5.4.1]: drag-and-drop reordering in QListWidget/QTreeWidget causes items to disappear

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    Description

      On Windows 8.1 and Windows 7, drag-and-drop reordering of the items in a QListWidget causes the dragged items to disappear. This is a regression from Qt5.4.0.

      1. Run the attached minimal example on Windows.
      2. Try to reorder the items in the QListWidget using drag-and-drop.
      3. The dragged item disappears.

      This works fine on Mac. I didn't test any other platforms.

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          Bug - A problem which impairs or prevents the functions of the product. QTBUG-46642 [Windows] [REG 5.5->5.4] QListWidget and QTreeWidget items disappear during InternalMove

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              steveire Stephen Kelly (Personal)
              dedeckerp Peter Dedecker
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                Updated:
                Resolved:

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