Merge branch 'maint-0.4.1' into release-0.4.1

changes/bug30344

changes/bug31939

changes/bug32108

changes/ticket28970

changes/ticket31091

changes/ticket31548

changes/ticket32058

src/core/mainloop/connection.c

src/core/mainloop/mainloop.c

src/core/mainloop/periodic.c

src/feature/client/transports.c

src/feature/hs/hs_client.c

src/feature/hs/hs_service.c

src/lib/tls/buffers_tls.c