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  1. Qt
  2. QTBUG-63729

[REG 5.9.1->5.9.2]: When an item loaded in a loader is destroyed then it can cause children to print warnings that referred to the parent

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      Attached will be a sample application to produce the issue. Press the 'Remove tab' and it will print lots of warnings. This started from 5.9.2. The 5.9.1 works fine.

      file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Styles/Base/TabViewStyle.qml:149:9: QML Item: Cannot anchor to an item that isn't a parent or sibling. 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Styles/Base/TabViewStyle.qml:162:9: QML Text: Cannot anchor to an item that isn't a parent or sibling. 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/ScrollView.qml:258: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:110: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:111: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:132: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:133: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:187: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:188: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollBar.qml:76: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollBar.qml:93: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollBar.qml:76: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/ScrollBar.qml:93: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/FocusFrame.qml:64: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/BasicTableView.qml:766: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/BasicTableView.qml:767: ReferenceError: parent is not defined 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/BasicTableView.qml:723: TypeError: Cannot read property 'height' of null 
file:///home/CORPUSERS/23058288/Qt/5.9.2/gcc_64/qml/QtQuick/Controls/Private/BasicTableView.qml:723: TypeError: Cannot read property 'height' of null

      Update: I have changed the subject to be more encapsulating as this is not specific to TabView.

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-65662 When an item loaded in a loader is destroyed then it can cause children to print warnings that referred to the parent

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          is required for

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-66774 PieMenu.insertItem throws out warnings if there are menu entries already

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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-67677 Anchors errors on keyboard layout change

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-65569 SwipeView crashes

          • 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.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-64563 Memory leak in ListView when using QQuickView

          • 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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-82989 Decide upon and document our stance on binding to parent in delegates

          • 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
          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-61781 Crash when accessing a QML singleton from anonymous function

          • 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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              laknoll Lars Knoll
              misalmel Mika Salmela
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                Updated:
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