Hi @dans Sorry for the late reply.
The devs are investigating, what might be the same bug you're encountering.
When it happens again (or you trigger the crash intentionally), please find the crash logs and send them to us on https://vivaldi.com/bugreport/, so our dev team could verify whether it's the same issue or something different.

Instructions for finding crash logs can be found on Vivaldi Help:
- macOS https://help.vivaldi.com/desktop/troubleshoot/reporting-crashes-on-macos/
- Linux https://help.vivaldi.com/desktop/troubleshoot/reporting-crashes-on-linux/