I also tested installing an Ubuntu 18.04 system using the original (no point release) 18.04 iso file. I installed with a 5 GB root partition (I'd used something smaller earlier and it never booted), then ran update-manager and was presented with a dialog indicating I didn't have enough free space to install the updates.
** Also affects: ubiquity (Ubuntu Bionic) Importance: Undecided Status: New ** Attachment added: "Screenshot_18.04-minimal_trying-to-update.png" https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1833610/+attachment/5272897/+files/Screenshot_18.04-minimal_trying-to-update.png ** Changed in: ubiquity (Ubuntu Bionic) Milestone: None => ubuntu-18.04.3 ** Changed in: ubiquity (Ubuntu Bionic) Importance: Undecided => High ** Changed in: ubiquity (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1833610 Title: minimum disk space recommendation is too small To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1833610/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs