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Forum Update on Monday, May 27th 2025

Qt Designer extremely slow, Qt Creator closes

Scheduled Pinned Locked Moved Unsolved Qt Design Studio
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  • O Offline
    O Offline
    OlegRom
    wrote on last edited by OlegRom
    #1

    Hello,

    I'm trying to edit not very complex form in QML, when I try to open it in Qt Design Studio 3.3.0, it opens but each action takes around 5 seconds. When I try to open same .qml file in Qt Creator, it just closes (tried with fallback and qmlpuppet ways). I work on Mac, but tried the same on Windows and Ubuntu, nearly the same result.

    Anyway to understand why software behaves like that?

    PS. I tested with QtDesigner 7.0.0 and qmlpuppet it works good, the issue started to appear in QtDesigner 7.0.1 (Qt 6.3.0)

    Best regards,
    Oleg R.

    JKSHJ 1 Reply Last reply
    0
    • O OlegRom

      Hello,

      I'm trying to edit not very complex form in QML, when I try to open it in Qt Design Studio 3.3.0, it opens but each action takes around 5 seconds. When I try to open same .qml file in Qt Creator, it just closes (tried with fallback and qmlpuppet ways). I work on Mac, but tried the same on Windows and Ubuntu, nearly the same result.

      Anyway to understand why software behaves like that?

      PS. I tested with QtDesigner 7.0.0 and qmlpuppet it works good, the issue started to appear in QtDesigner 7.0.1 (Qt 6.3.0)

      Best regards,
      Oleg R.

      JKSHJ Offline
      JKSHJ Offline
      JKSH
      Moderators
      wrote on last edited by
      #2

      Hi, and welcome!

      @OlegRom said in Qt Designer extremely slow, Qt Creator closes:

      Hello,

      I'm trying to edit not very complex form in QML, when I try to open it in Qt Design Studio 3.3.0, it opens but each action takes around 5 seconds. When I try to open same .qml file in Qt Creator, it just closes (tried with fallback and qmlpuppet ways). I work on Mac, but tried the same on Windows and Ubuntu, nearly the same result.

      Anyway to understand why software behaves like that?

      PS. I tested with QtDesigner 7.0.0 and qmlpuppet it works good, the issue started to appear in QtDesigner 7.0.1 (Qt 6.3.0)

      Best regards,
      Oleg R.

      Please add a comment to https://bugreports.qt.io/browse/QDS-6724 to report that you are experiencing the same issue.

      If you have a commercial license for Qt Design Studio, please open a support ticket at https://account.qt.io/support to escalate your issue.

      Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

      1 Reply Last reply
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      • T Offline
        T Offline
        Thomas Hartmann
        wrote on last edited by
        #3
        PS. I tested with QtDesigner 7.0.0 and qmlpuppet it works good, the issue started to appear in QtDesigner 7.0.1 (Qt 6.3.0)
        

        Do you mean Qt Creator 7.0.0/7.0.1? Does this also happen with the example projects?

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