I also had problems with Budgie 18.10. I uploaded a paliative fix from upstream today.
https://github.com/webcamoid/webcamoid/issues/142 ** Bug watch added: github.com/webcamoid/webcamoid/issues #142 https://github.com/webcamoid/webcamoid/issues/142 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766143 Title: webcamoid segfaults (error 4 in libQt5Core.so.5.9.5) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webcamoid/+bug/1766143/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs