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  1. Qt
  2. QTBUG-80788

[5.14 REG] New properties in ComboBox clash with custom properties (revision ignored)

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Details

    • 9cef433db (dev), 433a1872f (6.5), c62c763d6 (6.6)

    Description

      The new properties in ComboBox clash with properties with the same name, even if importing previous revisions of the QtQuick.Controls module that should not expose the properties at all.

      import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick.Controls 2.0

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    ComboBox {
        anchors.centerIn: parent

        property var currentValue: 0
    }
}

      This, despite the "2.0" import, leads to an error:

      qrc:/main.qml:14 Cannot override FINAL property

      Thus existing QML code that happens to use the same properties that were now introduced isn't source compatible, other than what the versioning system promises.

      See also QTBUG-65266.

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        Issue Links

          depends on

          Task - A task that needs to be done. QTBUG-71278 Imports and versioning in QML

          • 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
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-94735 Impossible to import a lower version of Quickcontrols when build with higher version of Qt

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-65266 Interaction between FINAL and REVISION on a property don't fully make sense

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open
          mentioned in

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          # Subject Branch Project Status CR V
          481152,5 Doc: explain issues with revisions dev qt/qtdeclarative Status: MERGED +2 0
          484462,2 Doc: explain issues with revisions 6.5 qt/qtdeclarative Status: MERGED +2 0
          484463,2 Doc: explain issues with revisions 6.6 qt/qtdeclarative Status: MERGED +2 0

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              mitch_curtis Mitch Curtis
              frank.osterfeld Frank Osterfeld
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              Dates

                Created:
                Updated:
                Resolved:

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