When I use kde with wayland, time to time when in lock screen all apps crashing it is like system forced to log out when I login after that I see I apps closed. Here is the crash report.
Application: Akonadi Server (akonadiserver), signal: Segmentation fault
[KCrash Handler]
#4 0x000055721ce931cc in ?? ()
#5 0x00007f0a220dd6f0 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f0a220b16cd in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f0a220b4681 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f0a2210a153 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f0a208627a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f0a20862a38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f0a20862acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f0a22109836 in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0a220b017b in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f0a220b82d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x000055721ce90450 in ?? ()
#16 0x00007f0a21c4618a in __libc_start_call_main (main=main@entry=0x55721ce90150, argc=argc@entry=1, argv=argv@entry=0x7ffe8fc11948) at …/sysdeps/nptl/libc_start_call_main.h:58
#17 0x00007f0a21c46245 in __libc_start_main_impl (main=0x55721ce90150, argc=1, argv=0x7ffe8fc11948, init=, fini=, rtld_fini=, stack_end=0x7ffe8fc11938) at …/csu/libc-start.c:381
#18 0x000055721ce92c81 in ?? ()
[Inferior 1 (process 2085) detached]