OS = Opensuse Tumbleweed, KDE
Application = Audacity v2.3.3-alpha-Nov 25 2019

When closing audacity either via Ctrl-W (close only the current window) or
Ctrl-Q (exit), the application crashes> When Audacity was started from console,
the last line shown is "Segmentation fault (core dumped)"

KSystemLog shows this info :

1/02/2020 10:29    systemd-coredump    Process 13671 (audacity) of user 1000
dumped core.

Stack trace of thread 13671:
#0  0x00007fec173b3062 _ZN12wxWindowBase16SendDestroyEventEv
(libwx_gtk2u_core-suse-nostl.so.3.0.4 + 0x2e1062)
#1  0x00007fec174b2867 _ZN7wxFrameD1Ev (libwx_gtk2u_core-suse-nostl.so.3.0.4 +
0x3e0867)
#2  0x000055b460d152f9 _ZN13ProjectWindowD0Ev (audacity + 0x96d2f9)
#3  0x00007fec17019f23 _ZN16wxAppConsoleBase20DeletePendingObjectsEv
(libwx_baseu-suse-nostl.so.3.0.4 + 0x166f23)
#4  0x00007fec1701a365 _ZN16wxAppConsoleBase11ProcessIdleEv
(libwx_baseu-suse-nostl.so.3.0.4 + 0x167365)
#5  0x00007fec17481c04 _ZN9wxAppBase11ProcessIdleEv
(libwx_gtk2u_core-suse-nostl.so.3.0.4 + 0x3afc04)
#6  0x00007fec17514721 _ZN5wxApp6DoIdleEv (libwx_gtk2u_core-suse-nostl.so.3.0.4
+ 0x442721)
#7  0x00007fec175147f3 n/a (libwx_gtk2u_core-suse-nostl.so.3.0.4 + 0x4427f3)
#8  0x00007fec14eefa67 n/a (libglib-2.0.so.0 + 0x4ea67)
#9  0x00007fec14ef2ff8 g_main_context_dispatch (libglib-2.0.so.0 + 0x51ff8)
#10 0x00007fec14ef3380 n/a (libglib-2.0.so.0 + 0x52380)
#11 0x00007fec14ef3653 g_main_loop_run (libglib-2.0.so.0 + 0x52653)
#12 0x00007fec152fba9a gtk_main (libgtk-x11-2.0.so.0 + 0x1faa9a)
#13 0x00007fec17501a85 _ZN14wxGUIEventLoop5DoRunEv
(libwx_gtk2u_core-suse-nostl.so.3.0.4 + 0x42fa85)
#14 0x00007fec16ff396d _ZN15wxEventLoopBase3RunEv
(libwx_baseu-suse-nostl.so.3.0.4 + 0x14096d)
#15 0x00007fec174b8510 _ZN8wxDialog9ShowModalEv
(libwx_gtk2u_core-suse-nostl.so.3.0.4 + 0x3e6510)
#16 0x00007fec17833c2f _ZNK23wxDebugReportPreviewStd4ShowER13wxDebugReport
(libwx_gtk2u_qa-suse-nostl.so.3.0.4 + 0x15c2f)
#17 0x000055b460db77d3 _ZN11CrashReport8GenerateEN13wxDebugReport7ContextE
(audacity + 0xa0f7d3)
#18 0x000055b460dfa420 _ZN11AudacityApp16OnFatalExceptionEv (audacity +
0xa52420)
#19 0x00007fec16f51202 n/a (libwx_baseu-suse-nostl.so.3.0.4 + 0x9e202)
#20 0x00007fec17a90030 __restore_rt (libc.so.6 + 0x3c030)
#21 0x00007fec1760bc48 _ZTI11wxMiniFrame (libwx_gtk2u_core-suse-nostl.so.3.0.4
+ 0x539c48)
#22 0x0000000000000000 n/a (n/a + 0x0)

It was reported before to the Audacity linux forum, and the problem seems to be
reproducible only on OpenSuse Tumbleweed, not on other OS's.
Clearing all audacity traces from the system and reinstalling does not fix the
issue.