SUMMARY
Sometimes I see several coredumps of kglobalaccel after logout.
The coredumps below happened sfter logout from X11 session:

Wed 2020-12-23 07:04:26 -03    6981  1000  1000   6 present   /usr/bin/kglobalaccel5
Wed 2020-12-23 07:04:28 -03    7000  1000  1000   6 present   /usr/bin/kglobalaccel5
Wed 2020-12-23 07:04:28 -03    7024  1000  1000   6 present   /usr/bin/kglobalaccel5
Wed 2020-12-23 07:04:28 -03    7050  1000  1000   6 present   /usr/bin/kglobalaccel5
Wed 2020-12-23 07:04:29 -03    7060  1000  1000   6 present   /usr/bin/kglobalaccel5


Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.20.80
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2


Thread 1 (Thread 0x7fdf3902c400 (LWP 7060)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007fdf3c4bc859 in __GI_abort () at abort.c:79
#2  0x00007fdf3c8febe7 in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1914
#3  QMessageLogger::fatal (this=this@entry=0x7ffc4e55f540, msg=msg@entry=0x7fdf3d3af825 "%s") at global/qlogging.cpp:893
#4  0x00007fdf3cef8a63 in init_platform (argv=<optimized out>, argc=@0x7ffc4e55f78c: 1, platformThemeName=..., platformPluginPath=..., pluginNamesWithArguments=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:208
#5  QGuiApplicationPrivate::createPlatformIntegration (this=0x5615e16682f0) at kernel/qguiapplication.cpp:1481
#6  0x00007fdf3cef8ef8 in QGuiApplicationPrivate::createEventDispatcher (this=<optimized out>) at kernel/qguiapplication.cpp:1498
#7  0x00007fdf3cb26176 in QCoreApplicationPrivate::init (this=this@entry=0x5615e16682f0) at kernel/qcoreapplication.cpp:852
#8  0x00007fdf3cefc013 in QGuiApplicationPrivate::init (this=0x5615e16682f0) at kernel/qguiapplication.cpp:1527
#9  0x00007fdf3cefcf98 in QGuiApplication::QGuiApplication (this=0x7ffc4e55f7d0, argc=@0x7ffc4e55f78c: 1, argv=0x7ffc4e55f958, flags=331522) at ../../include/QtGui/../../src/gui/kernel/qguiapplication.h:203
#10 0x00005615dfdff471 in main (argc=<optimized out>, argv=<optimized out>) at ./src/runtime/main.cpp:35