I have just retested it using the latest Flatpak available in Zesty (0.8.4-2). Unfortunately, still the same issue.
** Attachment added: "flatpak_libreoffice.png" https://bugs.launchpad.net/ubuntu/+source/flatpak/+bug/1657912/+attachment/4859283/+files/flatpak_libreoffice.png ** Changed in: flatpak (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1657912 Title: Flatpak hangs when trying to install org.gnome.Platform runtime To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/flatpak/+bug/1657912/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs