[Bug 292376] devel/qt6-base: Regression in 6.10.1: qbittorrent crashes after the update

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Sun Feb 1 01:11:02 GMT 2026


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292376

--- Comment #4 from Yuri Victorovich <yuri at freebsd.org> ---
(In reply to Paul Mather from comment #3)

qbittorrent runs for a very long time when it is built with WITH_DEBUG=yes.
This is currently a workaround in this port.

Same in multimedia/obs-studio: it crashes when built with debug info and works
fine when built with debug info.

In multimedia/obs-studio I narrowed it down to having this if statement fail:
  945│     if (Q_UNLIKELY(!qobject_cast<QApplication
*>(QCoreApplication::instance())))
  946├───────> qFatal("QWidget: Cannot create a QWidget without QApplication");
  947│

in
/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.10.1/src/widgets/kernel/qwidget.cpp
despite the fact that QApplication was created and is present.

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