The confinement is working as designed. We have plans to improve the usability, but if and when those are done, they won't be in snapd itself, so I'm setting this bug task as Invalid for snapd.
** Changed in: snapd (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1818584 Title: snaps applications can't open files on an USB key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1818584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs