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  1. Qt
  2. QTBUG-76029

REG: Performance regression in Quick Controls 2 Combo Box

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Done
    • Affects Version/s: 5.14
    • Fix Version/s: 5.14.0 RC1
    • Component/s: Quick: Controls 2
    • Labels:
      None
    • Commits:
      a392194a575653dff3cd21227e6a1a2902b8399f (qt/qtquickcontrols2/5.15)

      Description

      A 36% performance regression has appeared in Controls 2 ComboBox.

      This appears to be due to commit f462312365d4955fc82b247b72f84e1c77d8104d (https://codereview.qt-project.org/c/qt/qtquickcontrols2/+/254879)

      Chart showing regression on dev branch across all platforms

        Attachments

          Issue Links

          relates to

          Suggestion - Public suggestions QTBUG-73491 Add valueRole to ComboBox

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          For Gerrit Dashboard: QTBUG-76029
          # Subject Branch Project Status CR V
          272739,11 ComboBox: fix performance regression 5.14 qt/qtquickcontrols2 Status: MERGED +2 0
          276850,1 ComboBox: fix performance regression 5.13 qt/qtquickcontrols2 Status: ABANDONED 0 0

            Activity

              People

              • Assignee:
                mitch_curtis Mitch Curtis
                Reporter:
                daniel.smith Daniel Smith
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                Dates

                • Created:
                  Updated:
                  Resolved:

                  Gerrit Reviews

                  There are no open Gerrit changes