Yes please
This would make Bitwarden even better
bump
Think this is still a needed feature, esp. with TSA agents getting more aggressive under the Trump regime.
If you purchase premium ($10/yr), you are still permitted to have one free vault. So, just put your “travel” stuff into the free vault and log out of the paid vault as you cross the border.
Bitwarden already has organization vaults which are far more powerful. You can achieve the exact same effect as 1Password’s travel mode with a Bitwarden organization vault and being clever with the collections permission system.