Looks to me like this was an issue of version mismatches with packages that depended on one another. It was never really broken, but at the particular time the ISO was built, it combined some things together that didn't play well together. Anyways Chris confirmed we're good in today's daily.
** Changed in: calamares (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847700 Title: lubuntu 19.10 EFI install failed -- held broken packages 2019-10-10 daily To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calamares/+bug/1847700/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs