Application: muon (5.8.0)

Qt Version: 5.14.1
Frameworks Version: 5.69.0
Operating System: Linux 5.3.0-45-generic x86_64
Windowing system: X11
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
Muon package manager always crashes on Wayland when closed via "File" menu > "Quit".

The crash can be reproduced every time.

-- Backtrace:
Application: Muon Package Manager (muon), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f78ee1158c0 (LWP 5997))]
[KCrash Handler]
#7  0x00007f78d26577dc in qDeleteAll<QMap<QWidget*, KWindowShadow*>::const_iterator> (end=..., begin=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h:320
#8  qDeleteAll<QMap<QWidget*, KWindowShadow*> > (c=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h:328
#9  Breeze::ShadowHelper::~ShadowHelper (this=0x557b84e2b420, __in_chrg=<optimized out>) at ./kstyle/breezeshadowhelper.cpp:105
#10 0x00007f78d2657909 in Breeze::ShadowHelper::~ShadowHelper (this=0x557b84e2b420, __in_chrg=<optimized out>) at ./kstyle/breezeshadowhelper.cpp:106
#11 0x00007f78d26664d6 in Breeze::Style::~Style (this=0x557b84e29030, __in_chrg=<optimized out>) at ./kstyle/breezestyle.cpp:200
#12 0x00007f78d2666599 in Breeze::Style::~Style (this=0x557b84e29030, __in_chrg=<optimized out>) at ./kstyle/breezestyle.cpp:202
#13 0x00007f78eb3ca209 in QApplication::~QApplication (this=0x7ffe360ee650, __in_chrg=<optimized out>) at kernel/qapplication.cpp:812
#14 0x0000557b83103c9f in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:33

Possible duplicates by query: bug 419229, bug 419152, bug 418844, bug 418804, bug 418803.

Reported using DrKonqi